diff --git a/models/protocol_tests/input/rest-xml.json b/models/protocol_tests/input/rest-xml.json
index afbe8c70f6e..9225277a103 100644
--- a/models/protocol_tests/input/rest-xml.json
+++ b/models/protocol_tests/input/rest-xml.json
@@ -1754,6 +1754,9 @@
     "shapes": {
       "InputShape": {
         "type": "structure",
+        "required": [
+            "URIFooEnum"
+        ],
         "members": {
           "HeaderEnum": {
             "shape": "EnumType",
@@ -1824,14 +1827,15 @@
           },
           "http": {
             "method": "POST",
-            "requestUri": "/path"
+            "requestUri": "/Enum/{URIEnum}"
           },
           "name": "OperationName"
         },
         "params": {
+          "URIFooEnum": "bar"
         },
         "serialized": {
-          "uri": "/path",
+          "uri": "/Enum/bar",
           "headers": {}
         }
       }
diff --git a/private/model/api/shape.go b/private/model/api/shape.go
index 5b1a8db3555..72dbcb4e465 100644
--- a/private/model/api/shape.go
+++ b/private/model/api/shape.go
@@ -114,11 +114,13 @@ type Shape struct {
 
 // CanBeEmpty returns if the shape value can sent request as an empty value.
 // String, blob, list, and map are types must not be empty when the member is
-// decorated with HostLabel.
+// serialized to the uri path, or decorated with HostLabel.
 func (ref *ShapeRef) CanBeEmpty() bool {
 	switch ref.Shape.Type {
 	case "string":
-		return !ref.HostLabel
+		return !(ref.Location == "uri" || ref.HostLabel)
+	case "blob", "map", "list":
+		return !(ref.Location == "uri")
 	default:
 		return true
 	}
@@ -789,7 +791,7 @@ func (s *Shape) IsEnum() bool {
 }
 
 // IsRequired returns if member is a required field. Required fields are fields
-// marked as required, or hostLabels.
+// marked as required, hostLabels, or location of uri path.
 func (s *Shape) IsRequired(member string) bool {
 	ref, ok := s.MemberRefs[member]
 	if !ok {
@@ -798,7 +800,7 @@ func (s *Shape) IsRequired(member string) bool {
 			s.ShapeName, member,
 		))
 	}
-	if ref.HostLabel {
+	if ref.Location == "uri" || ref.HostLabel {
 		return true
 	}
 	for _, n := range s.Required {
diff --git a/private/protocol/restjson/build_test.go b/private/protocol/restjson/build_test.go
index a1315cb6bf8..f54e4ed0178 100644
--- a/private/protocol/restjson/build_test.go
+++ b/private/protocol/restjson/build_test.go
@@ -317,7 +317,24 @@ func (c *InputService2ProtocolTest) InputService2TestCaseOperation1WithContext(c
 type InputService2TestShapeInputService2TestCaseOperation1Input struct {
 	_ struct{} `type:"structure"`
 
-	PipelineId *string `location:"uri" type:"string"`
+	// PipelineId is a required field
+	PipelineId *string `location:"uri" type:"string" required:"true"`
+}
+
+// Validate inspects the fields of the type to determine if they are valid.
+func (s *InputService2TestShapeInputService2TestCaseOperation1Input) Validate() error {
+	invalidParams := request.ErrInvalidParams{Context: "InputService2TestShapeInputService2TestCaseOperation1Input"}
+	if s.PipelineId == nil {
+		invalidParams.Add(request.NewErrParamRequired("PipelineId"))
+	}
+	if s.PipelineId != nil && len(*s.PipelineId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("PipelineId", 1))
+	}
+
+	if invalidParams.Len() > 0 {
+		return invalidParams
+	}
+	return nil
 }
 
 // SetPipelineId sets the PipelineId field's value.
@@ -464,7 +481,24 @@ func (c *InputService3ProtocolTest) InputService3TestCaseOperation1WithContext(c
 type InputService3TestShapeInputService3TestCaseOperation1Input struct {
 	_ struct{} `type:"structure"`
 
-	Foo *string `location:"uri" locationName:"PipelineId" type:"string"`
+	// Foo is a required field
+	Foo *string `location:"uri" locationName:"PipelineId" type:"string" required:"true"`
+}
+
+// Validate inspects the fields of the type to determine if they are valid.
+func (s *InputService3TestShapeInputService3TestCaseOperation1Input) Validate() error {
+	invalidParams := request.ErrInvalidParams{Context: "InputService3TestShapeInputService3TestCaseOperation1Input"}
+	if s.Foo == nil {
+		invalidParams.Add(request.NewErrParamRequired("Foo"))
+	}
+	if s.Foo != nil && len(*s.Foo) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Foo", 1))
+	}
+
+	if invalidParams.Len() > 0 {
+		return invalidParams
+	}
+	return nil
 }
 
 // SetFoo sets the Foo field's value.
@@ -758,11 +792,28 @@ func (c *InputService5ProtocolTest) InputService5TestCaseOperation1WithContext(c
 type InputService5TestShapeInputService5TestCaseOperation1Input struct {
 	_ struct{} `type:"structure"`
 
-	PipelineId *string `location:"uri" type:"string"`
+	// PipelineId is a required field
+	PipelineId *string `location:"uri" type:"string" required:"true"`
 
 	QueryDoc map[string]*string `location:"querystring" type:"map"`
 }
 
+// Validate inspects the fields of the type to determine if they are valid.
+func (s *InputService5TestShapeInputService5TestCaseOperation1Input) Validate() error {
+	invalidParams := request.ErrInvalidParams{Context: "InputService5TestShapeInputService5TestCaseOperation1Input"}
+	if s.PipelineId == nil {
+		invalidParams.Add(request.NewErrParamRequired("PipelineId"))
+	}
+	if s.PipelineId != nil && len(*s.PipelineId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("PipelineId", 1))
+	}
+
+	if invalidParams.Len() > 0 {
+		return invalidParams
+	}
+	return nil
+}
+
 // SetPipelineId sets the PipelineId field's value.
 func (s *InputService5TestShapeInputService5TestCaseOperation1Input) SetPipelineId(v string) *InputService5TestShapeInputService5TestCaseOperation1Input {
 	s.PipelineId = &v
@@ -913,11 +964,28 @@ func (c *InputService6ProtocolTest) InputService6TestCaseOperation1WithContext(c
 type InputService6TestShapeInputService6TestCaseOperation1Input struct {
 	_ struct{} `type:"structure"`
 
-	PipelineId *string `location:"uri" type:"string"`
+	// PipelineId is a required field
+	PipelineId *string `location:"uri" type:"string" required:"true"`
 
 	QueryDoc map[string][]*string `location:"querystring" type:"map"`
 }
 
+// Validate inspects the fields of the type to determine if they are valid.
+func (s *InputService6TestShapeInputService6TestCaseOperation1Input) Validate() error {
+	invalidParams := request.ErrInvalidParams{Context: "InputService6TestShapeInputService6TestCaseOperation1Input"}
+	if s.PipelineId == nil {
+		invalidParams.Add(request.NewErrParamRequired("PipelineId"))
+	}
+	if s.PipelineId != nil && len(*s.PipelineId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("PipelineId", 1))
+	}
+
+	if invalidParams.Len() > 0 {
+		return invalidParams
+	}
+	return nil
+}
+
 // SetPipelineId sets the PipelineId field's value.
 func (s *InputService6TestShapeInputService6TestCaseOperation1Input) SetPipelineId(v string) *InputService6TestShapeInputService6TestCaseOperation1Input {
 	s.PipelineId = &v
@@ -1306,7 +1374,24 @@ type InputService8TestShapeInputService8TestCaseOperation1Input struct {
 
 	PageToken *string `location:"querystring" locationName:"PageToken" type:"string"`
 
-	PipelineId *string `location:"uri" locationName:"PipelineId" type:"string"`
+	// PipelineId is a required field
+	PipelineId *string `location:"uri" locationName:"PipelineId" type:"string" required:"true"`
+}
+
+// Validate inspects the fields of the type to determine if they are valid.
+func (s *InputService8TestShapeInputService8TestCaseOperation1Input) Validate() error {
+	invalidParams := request.ErrInvalidParams{Context: "InputService8TestShapeInputService8TestCaseOperation1Input"}
+	if s.PipelineId == nil {
+		invalidParams.Add(request.NewErrParamRequired("PipelineId"))
+	}
+	if s.PipelineId != nil && len(*s.PipelineId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("PipelineId", 1))
+	}
+
+	if invalidParams.Len() > 0 {
+		return invalidParams
+	}
+	return nil
 }
 
 // SetAscending sets the Ascending field's value.
@@ -1471,7 +1556,24 @@ type InputService9TestShapeInputService9TestCaseOperation1Input struct {
 
 	PageToken *string `location:"querystring" locationName:"PageToken" type:"string"`
 
-	PipelineId *string `location:"uri" locationName:"PipelineId" type:"string"`
+	// PipelineId is a required field
+	PipelineId *string `location:"uri" locationName:"PipelineId" type:"string" required:"true"`
+}
+
+// Validate inspects the fields of the type to determine if they are valid.
+func (s *InputService9TestShapeInputService9TestCaseOperation1Input) Validate() error {
+	invalidParams := request.ErrInvalidParams{Context: "InputService9TestShapeInputService9TestCaseOperation1Input"}
+	if s.PipelineId == nil {
+		invalidParams.Add(request.NewErrParamRequired("PipelineId"))
+	}
+	if s.PipelineId != nil && len(*s.PipelineId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("PipelineId", 1))
+	}
+
+	if invalidParams.Len() > 0 {
+		return invalidParams
+	}
+	return nil
 }
 
 // SetAscending sets the Ascending field's value.
@@ -1664,7 +1766,24 @@ type InputService10TestShapeInputService10TestCaseOperation1Input struct {
 
 	PageToken *string `location:"querystring" locationName:"PageToken" type:"string"`
 
-	PipelineId *string `location:"uri" locationName:"PipelineId" type:"string"`
+	// PipelineId is a required field
+	PipelineId *string `location:"uri" locationName:"PipelineId" type:"string" required:"true"`
+}
+
+// Validate inspects the fields of the type to determine if they are valid.
+func (s *InputService10TestShapeInputService10TestCaseOperation1Input) Validate() error {
+	invalidParams := request.ErrInvalidParams{Context: "InputService10TestShapeInputService10TestCaseOperation1Input"}
+	if s.PipelineId == nil {
+		invalidParams.Add(request.NewErrParamRequired("PipelineId"))
+	}
+	if s.PipelineId != nil && len(*s.PipelineId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("PipelineId", 1))
+	}
+
+	if invalidParams.Len() > 0 {
+		return invalidParams
+	}
+	return nil
 }
 
 // SetAscending sets the Ascending field's value.
@@ -1869,6 +1988,9 @@ func (s *InputService11TestShapeInputService11TestCaseOperation1Input) Validate(
 	if s.VaultName == nil {
 		invalidParams.Add(request.NewErrParamRequired("VaultName"))
 	}
+	if s.VaultName != nil && len(*s.VaultName) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("VaultName", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -2045,6 +2167,9 @@ func (s *InputService12TestShapeInputService12TestCaseOperation1Input) Validate(
 	if s.Foo == nil {
 		invalidParams.Add(request.NewErrParamRequired("Foo"))
 	}
+	if s.Foo != nil && len(*s.Foo) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Foo", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
diff --git a/private/protocol/restxml/build_test.go b/private/protocol/restxml/build_test.go
index 46a12033157..ce0639e71ee 100644
--- a/private/protocol/restxml/build_test.go
+++ b/private/protocol/restxml/build_test.go
@@ -2535,11 +2535,28 @@ func (c *InputService14ProtocolTest) InputService14TestCaseOperation1WithContext
 type InputService14TestShapeInputService14TestCaseOperation1Input struct {
 	_ struct{} `type:"structure"`
 
-	PipelineId *string `location:"uri" type:"string"`
+	// PipelineId is a required field
+	PipelineId *string `location:"uri" type:"string" required:"true"`
 
 	QueryDoc map[string]*string `location:"querystring" type:"map"`
 }
 
+// Validate inspects the fields of the type to determine if they are valid.
+func (s *InputService14TestShapeInputService14TestCaseOperation1Input) Validate() error {
+	invalidParams := request.ErrInvalidParams{Context: "InputService14TestShapeInputService14TestCaseOperation1Input"}
+	if s.PipelineId == nil {
+		invalidParams.Add(request.NewErrParamRequired("PipelineId"))
+	}
+	if s.PipelineId != nil && len(*s.PipelineId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("PipelineId", 1))
+	}
+
+	if invalidParams.Len() > 0 {
+		return invalidParams
+	}
+	return nil
+}
+
 // SetPipelineId sets the PipelineId field's value.
 func (s *InputService14TestShapeInputService14TestCaseOperation1Input) SetPipelineId(v string) *InputService14TestShapeInputService14TestCaseOperation1Input {
 	s.PipelineId = &v
@@ -2690,11 +2707,28 @@ func (c *InputService15ProtocolTest) InputService15TestCaseOperation1WithContext
 type InputService15TestShapeInputService15TestCaseOperation1Input struct {
 	_ struct{} `type:"structure"`
 
-	PipelineId *string `location:"uri" type:"string"`
+	// PipelineId is a required field
+	PipelineId *string `location:"uri" type:"string" required:"true"`
 
 	QueryDoc map[string][]*string `location:"querystring" type:"map"`
 }
 
+// Validate inspects the fields of the type to determine if they are valid.
+func (s *InputService15TestShapeInputService15TestCaseOperation1Input) Validate() error {
+	invalidParams := request.ErrInvalidParams{Context: "InputService15TestShapeInputService15TestCaseOperation1Input"}
+	if s.PipelineId == nil {
+		invalidParams.Add(request.NewErrParamRequired("PipelineId"))
+	}
+	if s.PipelineId != nil && len(*s.PipelineId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("PipelineId", 1))
+	}
+
+	if invalidParams.Len() > 0 {
+		return invalidParams
+	}
+	return nil
+}
+
 // SetPipelineId sets the PipelineId field's value.
 func (s *InputService15TestShapeInputService15TestCaseOperation1Input) SetPipelineId(v string) *InputService15TestShapeInputService15TestCaseOperation1Input {
 	s.PipelineId = &v
@@ -4059,9 +4093,33 @@ func (c *InputService21ProtocolTest) InputService21TestCaseOperation1WithContext
 type InputService21TestShapeInputService21TestCaseOperation1Input struct {
 	_ struct{} `type:"structure"`
 
-	Bucket *string `location:"uri" type:"string"`
+	// Bucket is a required field
+	Bucket *string `location:"uri" type:"string" required:"true"`
 
-	Key *string `location:"uri" type:"string"`
+	// Key is a required field
+	Key *string `location:"uri" type:"string" required:"true"`
+}
+
+// Validate inspects the fields of the type to determine if they are valid.
+func (s *InputService21TestShapeInputService21TestCaseOperation1Input) Validate() error {
+	invalidParams := request.ErrInvalidParams{Context: "InputService21TestShapeInputService21TestCaseOperation1Input"}
+	if s.Bucket == nil {
+		invalidParams.Add(request.NewErrParamRequired("Bucket"))
+	}
+	if s.Bucket != nil && len(*s.Bucket) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Bucket", 1))
+	}
+	if s.Key == nil {
+		invalidParams.Add(request.NewErrParamRequired("Key"))
+	}
+	if s.Key != nil && len(*s.Key) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Key", 1))
+	}
+
+	if invalidParams.Len() > 0 {
+		return invalidParams
+	}
+	return nil
 }
 
 // SetBucket sets the Bucket field's value.
@@ -5325,7 +5383,7 @@ func (c *InputService25ProtocolTest) InputService25TestCaseOperation2Request(inp
 	op := &request.Operation{
 		Name:       opInputService25TestCaseOperation2,
 		HTTPMethod: "POST",
-		HTTPPath:   "/path",
+		HTTPPath:   "/Enum/{URIEnum}",
 	}
 
 	if input == nil {
@@ -5377,11 +5435,28 @@ type InputService25TestShapeInputService25TestCaseOperation1Input struct {
 
 	ListEnums []*string `type:"list"`
 
-	URIFooEnum *string `location:"uri" locationName:"URIEnum" type:"string" enum:"InputService25TestShapeEnumType"`
+	// URIFooEnum is a required field
+	URIFooEnum *string `location:"uri" locationName:"URIEnum" type:"string" required:"true" enum:"InputService25TestShapeEnumType"`
 
 	URIListEnums []*string `location:"querystring" locationName:"ListEnums" type:"list"`
 }
 
+// Validate inspects the fields of the type to determine if they are valid.
+func (s *InputService25TestShapeInputService25TestCaseOperation1Input) Validate() error {
+	invalidParams := request.ErrInvalidParams{Context: "InputService25TestShapeInputService25TestCaseOperation1Input"}
+	if s.URIFooEnum == nil {
+		invalidParams.Add(request.NewErrParamRequired("URIFooEnum"))
+	}
+	if s.URIFooEnum != nil && len(*s.URIFooEnum) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("URIFooEnum", 1))
+	}
+
+	if invalidParams.Len() > 0 {
+		return invalidParams
+	}
+	return nil
+}
+
 // SetFooEnum sets the FooEnum field's value.
 func (s *InputService25TestShapeInputService25TestCaseOperation1Input) SetFooEnum(v string) *InputService25TestShapeInputService25TestCaseOperation1Input {
 	s.FooEnum = &v
@@ -5425,11 +5500,28 @@ type InputService25TestShapeInputService25TestCaseOperation2Input struct {
 
 	ListEnums []*string `type:"list"`
 
-	URIFooEnum *string `location:"uri" locationName:"URIEnum" type:"string" enum:"InputService25TestShapeEnumType"`
+	// URIFooEnum is a required field
+	URIFooEnum *string `location:"uri" locationName:"URIEnum" type:"string" required:"true" enum:"InputService25TestShapeEnumType"`
 
 	URIListEnums []*string `location:"querystring" locationName:"ListEnums" type:"list"`
 }
 
+// Validate inspects the fields of the type to determine if they are valid.
+func (s *InputService25TestShapeInputService25TestCaseOperation2Input) Validate() error {
+	invalidParams := request.ErrInvalidParams{Context: "InputService25TestShapeInputService25TestCaseOperation2Input"}
+	if s.URIFooEnum == nil {
+		invalidParams.Add(request.NewErrParamRequired("URIFooEnum"))
+	}
+	if s.URIFooEnum != nil && len(*s.URIFooEnum) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("URIFooEnum", 1))
+	}
+
+	if invalidParams.Len() > 0 {
+		return invalidParams
+	}
+	return nil
+}
+
 // SetFooEnum sets the FooEnum field's value.
 func (s *InputService25TestShapeInputService25TestCaseOperation2Input) SetFooEnum(v string) *InputService25TestShapeInputService25TestCaseOperation2Input {
 	s.FooEnum = &v
@@ -6916,7 +7008,9 @@ func TestInputService25ProtocolTestEnumCase1(t *testing.T) {
 
 func TestInputService25ProtocolTestEnumCase2(t *testing.T) {
 	svc := NewInputService25ProtocolTest(unit.Session, &aws.Config{Endpoint: aws.String("https://test")})
-	input := &InputService25TestShapeInputService25TestCaseOperation2Input{}
+	input := &InputService25TestShapeInputService25TestCaseOperation2Input{
+		URIFooEnum: aws.String("bar"),
+	}
 	req, _ := svc.InputService25TestCaseOperation2Request(input)
 	r := req.HTTPRequest
 
@@ -6927,7 +7021,7 @@ func TestInputService25ProtocolTestEnumCase2(t *testing.T) {
 	}
 
 	// assert URL
-	awstesting.AssertURL(t, "https://test/path", r.URL.String())
+	awstesting.AssertURL(t, "https://test/Enum/bar", r.URL.String())
 
 	// assert headers
 
diff --git a/service/amplify/api.go b/service/amplify/api.go
index 3304e781be6..9687799f433 100644
--- a/service/amplify/api.go
+++ b/service/amplify/api.go
@@ -3052,6 +3052,9 @@ func (s *DeleteDomainAssociationInput) Validate() error {
 	if s.DomainName == nil {
 		invalidParams.Add(request.NewErrParamRequired("DomainName"))
 	}
+	if s.DomainName != nil && len(*s.DomainName) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("DomainName", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -3145,6 +3148,9 @@ func (s *DeleteJobInput) Validate() error {
 	if s.JobId == nil {
 		invalidParams.Add(request.NewErrParamRequired("JobId"))
 	}
+	if s.JobId != nil && len(*s.JobId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("JobId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -3478,6 +3484,9 @@ func (s *GetDomainAssociationInput) Validate() error {
 	if s.DomainName == nil {
 		invalidParams.Add(request.NewErrParamRequired("DomainName"))
 	}
+	if s.DomainName != nil && len(*s.DomainName) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("DomainName", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -3571,6 +3580,9 @@ func (s *GetJobInput) Validate() error {
 	if s.JobId == nil {
 		invalidParams.Add(request.NewErrParamRequired("JobId"))
 	}
+	if s.JobId != nil && len(*s.JobId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("JobId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -4503,6 +4515,9 @@ func (s *StopJobInput) Validate() error {
 	if s.JobId == nil {
 		invalidParams.Add(request.NewErrParamRequired("JobId"))
 	}
+	if s.JobId != nil && len(*s.JobId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("JobId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -5058,6 +5073,9 @@ func (s *UpdateDomainAssociationInput) Validate() error {
 	if s.DomainName == nil {
 		invalidParams.Add(request.NewErrParamRequired("DomainName"))
 	}
+	if s.DomainName != nil && len(*s.DomainName) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("DomainName", 1))
+	}
 	if s.SubDomainSettings == nil {
 		invalidParams.Add(request.NewErrParamRequired("SubDomainSettings"))
 	}
diff --git a/service/apigateway/api.go b/service/apigateway/api.go
index 2b9e72da8a5..d39e9de9b2e 100644
--- a/service/apigateway/api.go
+++ b/service/apigateway/api.go
@@ -12094,6 +12094,9 @@ func (s *CreateAuthorizerInput) Validate() error {
 	if s.RestApiId == nil {
 		invalidParams.Add(request.NewErrParamRequired("RestApiId"))
 	}
+	if s.RestApiId != nil && len(*s.RestApiId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("RestApiId", 1))
+	}
 	if s.Type == nil {
 		invalidParams.Add(request.NewErrParamRequired("Type"))
 	}
@@ -12206,6 +12209,9 @@ func (s *CreateBasePathMappingInput) Validate() error {
 	if s.DomainName == nil {
 		invalidParams.Add(request.NewErrParamRequired("DomainName"))
 	}
+	if s.DomainName != nil && len(*s.DomainName) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("DomainName", 1))
+	}
 	if s.RestApiId == nil {
 		invalidParams.Add(request.NewErrParamRequired("RestApiId"))
 	}
@@ -12294,6 +12300,9 @@ func (s *CreateDeploymentInput) Validate() error {
 	if s.RestApiId == nil {
 		invalidParams.Add(request.NewErrParamRequired("RestApiId"))
 	}
+	if s.RestApiId != nil && len(*s.RestApiId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("RestApiId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -12400,6 +12409,9 @@ func (s *CreateDocumentationPartInput) Validate() error {
 	if s.RestApiId == nil {
 		invalidParams.Add(request.NewErrParamRequired("RestApiId"))
 	}
+	if s.RestApiId != nil && len(*s.RestApiId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("RestApiId", 1))
+	}
 	if s.Location != nil {
 		if err := s.Location.Validate(); err != nil {
 			invalidParams.AddNested("Location", err.(request.ErrInvalidParams))
@@ -12470,6 +12482,9 @@ func (s *CreateDocumentationVersionInput) Validate() error {
 	if s.RestApiId == nil {
 		invalidParams.Add(request.NewErrParamRequired("RestApiId"))
 	}
+	if s.RestApiId != nil && len(*s.RestApiId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("RestApiId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -12676,6 +12691,9 @@ func (s *CreateModelInput) Validate() error {
 	if s.RestApiId == nil {
 		invalidParams.Add(request.NewErrParamRequired("RestApiId"))
 	}
+	if s.RestApiId != nil && len(*s.RestApiId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("RestApiId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -12750,6 +12768,9 @@ func (s *CreateRequestValidatorInput) Validate() error {
 	if s.RestApiId == nil {
 		invalidParams.Add(request.NewErrParamRequired("RestApiId"))
 	}
+	if s.RestApiId != nil && len(*s.RestApiId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("RestApiId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -12817,12 +12838,18 @@ func (s *CreateResourceInput) Validate() error {
 	if s.ParentId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ParentId"))
 	}
+	if s.ParentId != nil && len(*s.ParentId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ParentId", 1))
+	}
 	if s.PathPart == nil {
 		invalidParams.Add(request.NewErrParamRequired("PathPart"))
 	}
 	if s.RestApiId == nil {
 		invalidParams.Add(request.NewErrParamRequired("RestApiId"))
 	}
+	if s.RestApiId != nil && len(*s.RestApiId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("RestApiId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -13037,6 +13064,9 @@ func (s *CreateStageInput) Validate() error {
 	if s.RestApiId == nil {
 		invalidParams.Add(request.NewErrParamRequired("RestApiId"))
 	}
+	if s.RestApiId != nil && len(*s.RestApiId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("RestApiId", 1))
+	}
 	if s.StageName == nil {
 		invalidParams.Add(request.NewErrParamRequired("StageName"))
 	}
@@ -13234,6 +13264,9 @@ func (s *CreateUsagePlanKeyInput) Validate() error {
 	if s.UsagePlanId == nil {
 		invalidParams.Add(request.NewErrParamRequired("UsagePlanId"))
 	}
+	if s.UsagePlanId != nil && len(*s.UsagePlanId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("UsagePlanId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -13352,6 +13385,9 @@ func (s *DeleteApiKeyInput) Validate() error {
 	if s.ApiKey == nil {
 		invalidParams.Add(request.NewErrParamRequired("ApiKey"))
 	}
+	if s.ApiKey != nil && len(*s.ApiKey) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ApiKey", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -13410,9 +13446,15 @@ func (s *DeleteAuthorizerInput) Validate() error {
 	if s.AuthorizerId == nil {
 		invalidParams.Add(request.NewErrParamRequired("AuthorizerId"))
 	}
+	if s.AuthorizerId != nil && len(*s.AuthorizerId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("AuthorizerId", 1))
+	}
 	if s.RestApiId == nil {
 		invalidParams.Add(request.NewErrParamRequired("RestApiId"))
 	}
+	if s.RestApiId != nil && len(*s.RestApiId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("RestApiId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -13477,9 +13519,15 @@ func (s *DeleteBasePathMappingInput) Validate() error {
 	if s.BasePath == nil {
 		invalidParams.Add(request.NewErrParamRequired("BasePath"))
 	}
+	if s.BasePath != nil && len(*s.BasePath) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("BasePath", 1))
+	}
 	if s.DomainName == nil {
 		invalidParams.Add(request.NewErrParamRequired("DomainName"))
 	}
+	if s.DomainName != nil && len(*s.DomainName) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("DomainName", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -13539,6 +13587,9 @@ func (s *DeleteClientCertificateInput) Validate() error {
 	if s.ClientCertificateId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ClientCertificateId"))
 	}
+	if s.ClientCertificateId != nil && len(*s.ClientCertificateId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ClientCertificateId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -13597,9 +13648,15 @@ func (s *DeleteDeploymentInput) Validate() error {
 	if s.DeploymentId == nil {
 		invalidParams.Add(request.NewErrParamRequired("DeploymentId"))
 	}
+	if s.DeploymentId != nil && len(*s.DeploymentId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("DeploymentId", 1))
+	}
 	if s.RestApiId == nil {
 		invalidParams.Add(request.NewErrParamRequired("RestApiId"))
 	}
+	if s.RestApiId != nil && len(*s.RestApiId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("RestApiId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -13664,9 +13721,15 @@ func (s *DeleteDocumentationPartInput) Validate() error {
 	if s.DocumentationPartId == nil {
 		invalidParams.Add(request.NewErrParamRequired("DocumentationPartId"))
 	}
+	if s.DocumentationPartId != nil && len(*s.DocumentationPartId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("DocumentationPartId", 1))
+	}
 	if s.RestApiId == nil {
 		invalidParams.Add(request.NewErrParamRequired("RestApiId"))
 	}
+	if s.RestApiId != nil && len(*s.RestApiId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("RestApiId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -13731,9 +13794,15 @@ func (s *DeleteDocumentationVersionInput) Validate() error {
 	if s.DocumentationVersion == nil {
 		invalidParams.Add(request.NewErrParamRequired("DocumentationVersion"))
 	}
+	if s.DocumentationVersion != nil && len(*s.DocumentationVersion) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("DocumentationVersion", 1))
+	}
 	if s.RestApiId == nil {
 		invalidParams.Add(request.NewErrParamRequired("RestApiId"))
 	}
+	if s.RestApiId != nil && len(*s.RestApiId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("RestApiId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -13793,6 +13862,9 @@ func (s *DeleteDomainNameInput) Validate() error {
 	if s.DomainName == nil {
 		invalidParams.Add(request.NewErrParamRequired("DomainName"))
 	}
+	if s.DomainName != nil && len(*s.DomainName) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("DomainName", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -13872,9 +13944,15 @@ func (s *DeleteGatewayResponseInput) Validate() error {
 	if s.ResponseType == nil {
 		invalidParams.Add(request.NewErrParamRequired("ResponseType"))
 	}
+	if s.ResponseType != nil && len(*s.ResponseType) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ResponseType", 1))
+	}
 	if s.RestApiId == nil {
 		invalidParams.Add(request.NewErrParamRequired("RestApiId"))
 	}
+	if s.RestApiId != nil && len(*s.RestApiId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("RestApiId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -13944,12 +14022,21 @@ func (s *DeleteIntegrationInput) Validate() error {
 	if s.HttpMethod == nil {
 		invalidParams.Add(request.NewErrParamRequired("HttpMethod"))
 	}
+	if s.HttpMethod != nil && len(*s.HttpMethod) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("HttpMethod", 1))
+	}
 	if s.ResourceId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ResourceId"))
 	}
+	if s.ResourceId != nil && len(*s.ResourceId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ResourceId", 1))
+	}
 	if s.RestApiId == nil {
 		invalidParams.Add(request.NewErrParamRequired("RestApiId"))
 	}
+	if s.RestApiId != nil && len(*s.RestApiId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("RestApiId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -14030,15 +14117,27 @@ func (s *DeleteIntegrationResponseInput) Validate() error {
 	if s.HttpMethod == nil {
 		invalidParams.Add(request.NewErrParamRequired("HttpMethod"))
 	}
+	if s.HttpMethod != nil && len(*s.HttpMethod) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("HttpMethod", 1))
+	}
 	if s.ResourceId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ResourceId"))
 	}
+	if s.ResourceId != nil && len(*s.ResourceId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ResourceId", 1))
+	}
 	if s.RestApiId == nil {
 		invalidParams.Add(request.NewErrParamRequired("RestApiId"))
 	}
+	if s.RestApiId != nil && len(*s.RestApiId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("RestApiId", 1))
+	}
 	if s.StatusCode == nil {
 		invalidParams.Add(request.NewErrParamRequired("StatusCode"))
 	}
+	if s.StatusCode != nil && len(*s.StatusCode) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("StatusCode", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -14120,12 +14219,21 @@ func (s *DeleteMethodInput) Validate() error {
 	if s.HttpMethod == nil {
 		invalidParams.Add(request.NewErrParamRequired("HttpMethod"))
 	}
+	if s.HttpMethod != nil && len(*s.HttpMethod) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("HttpMethod", 1))
+	}
 	if s.ResourceId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ResourceId"))
 	}
+	if s.ResourceId != nil && len(*s.ResourceId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ResourceId", 1))
+	}
 	if s.RestApiId == nil {
 		invalidParams.Add(request.NewErrParamRequired("RestApiId"))
 	}
+	if s.RestApiId != nil && len(*s.RestApiId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("RestApiId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -14206,15 +14314,27 @@ func (s *DeleteMethodResponseInput) Validate() error {
 	if s.HttpMethod == nil {
 		invalidParams.Add(request.NewErrParamRequired("HttpMethod"))
 	}
+	if s.HttpMethod != nil && len(*s.HttpMethod) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("HttpMethod", 1))
+	}
 	if s.ResourceId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ResourceId"))
 	}
+	if s.ResourceId != nil && len(*s.ResourceId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ResourceId", 1))
+	}
 	if s.RestApiId == nil {
 		invalidParams.Add(request.NewErrParamRequired("RestApiId"))
 	}
+	if s.RestApiId != nil && len(*s.RestApiId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("RestApiId", 1))
+	}
 	if s.StatusCode == nil {
 		invalidParams.Add(request.NewErrParamRequired("StatusCode"))
 	}
+	if s.StatusCode != nil && len(*s.StatusCode) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("StatusCode", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -14291,9 +14411,15 @@ func (s *DeleteModelInput) Validate() error {
 	if s.ModelName == nil {
 		invalidParams.Add(request.NewErrParamRequired("ModelName"))
 	}
+	if s.ModelName != nil && len(*s.ModelName) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ModelName", 1))
+	}
 	if s.RestApiId == nil {
 		invalidParams.Add(request.NewErrParamRequired("RestApiId"))
 	}
+	if s.RestApiId != nil && len(*s.RestApiId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("RestApiId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -14358,9 +14484,15 @@ func (s *DeleteRequestValidatorInput) Validate() error {
 	if s.RequestValidatorId == nil {
 		invalidParams.Add(request.NewErrParamRequired("RequestValidatorId"))
 	}
+	if s.RequestValidatorId != nil && len(*s.RequestValidatorId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("RequestValidatorId", 1))
+	}
 	if s.RestApiId == nil {
 		invalidParams.Add(request.NewErrParamRequired("RestApiId"))
 	}
+	if s.RestApiId != nil && len(*s.RestApiId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("RestApiId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -14425,9 +14557,15 @@ func (s *DeleteResourceInput) Validate() error {
 	if s.ResourceId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ResourceId"))
 	}
+	if s.ResourceId != nil && len(*s.ResourceId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ResourceId", 1))
+	}
 	if s.RestApiId == nil {
 		invalidParams.Add(request.NewErrParamRequired("RestApiId"))
 	}
+	if s.RestApiId != nil && len(*s.RestApiId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("RestApiId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -14487,6 +14625,9 @@ func (s *DeleteRestApiInput) Validate() error {
 	if s.RestApiId == nil {
 		invalidParams.Add(request.NewErrParamRequired("RestApiId"))
 	}
+	if s.RestApiId != nil && len(*s.RestApiId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("RestApiId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -14545,9 +14686,15 @@ func (s *DeleteStageInput) Validate() error {
 	if s.RestApiId == nil {
 		invalidParams.Add(request.NewErrParamRequired("RestApiId"))
 	}
+	if s.RestApiId != nil && len(*s.RestApiId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("RestApiId", 1))
+	}
 	if s.StageName == nil {
 		invalidParams.Add(request.NewErrParamRequired("StageName"))
 	}
+	if s.StageName != nil && len(*s.StageName) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("StageName", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -14607,6 +14754,9 @@ func (s *DeleteUsagePlanInput) Validate() error {
 	if s.UsagePlanId == nil {
 		invalidParams.Add(request.NewErrParamRequired("UsagePlanId"))
 	}
+	if s.UsagePlanId != nil && len(*s.UsagePlanId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("UsagePlanId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -14653,9 +14803,15 @@ func (s *DeleteUsagePlanKeyInput) Validate() error {
 	if s.KeyId == nil {
 		invalidParams.Add(request.NewErrParamRequired("KeyId"))
 	}
+	if s.KeyId != nil && len(*s.KeyId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("KeyId", 1))
+	}
 	if s.UsagePlanId == nil {
 		invalidParams.Add(request.NewErrParamRequired("UsagePlanId"))
 	}
+	if s.UsagePlanId != nil && len(*s.UsagePlanId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("UsagePlanId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -14730,6 +14886,9 @@ func (s *DeleteVpcLinkInput) Validate() error {
 	if s.VpcLinkId == nil {
 		invalidParams.Add(request.NewErrParamRequired("VpcLinkId"))
 	}
+	if s.VpcLinkId != nil && len(*s.VpcLinkId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("VpcLinkId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -15282,9 +15441,15 @@ func (s *FlushStageAuthorizersCacheInput) Validate() error {
 	if s.RestApiId == nil {
 		invalidParams.Add(request.NewErrParamRequired("RestApiId"))
 	}
+	if s.RestApiId != nil && len(*s.RestApiId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("RestApiId", 1))
+	}
 	if s.StageName == nil {
 		invalidParams.Add(request.NewErrParamRequired("StageName"))
 	}
+	if s.StageName != nil && len(*s.StageName) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("StageName", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -15349,9 +15514,15 @@ func (s *FlushStageCacheInput) Validate() error {
 	if s.RestApiId == nil {
 		invalidParams.Add(request.NewErrParamRequired("RestApiId"))
 	}
+	if s.RestApiId != nil && len(*s.RestApiId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("RestApiId", 1))
+	}
 	if s.StageName == nil {
 		invalidParams.Add(request.NewErrParamRequired("StageName"))
 	}
+	if s.StageName != nil && len(*s.StageName) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("StageName", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -15454,6 +15625,9 @@ func (s *GetApiKeyInput) Validate() error {
 	if s.ApiKey == nil {
 		invalidParams.Add(request.NewErrParamRequired("ApiKey"))
 	}
+	if s.ApiKey != nil && len(*s.ApiKey) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ApiKey", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -15611,9 +15785,15 @@ func (s *GetAuthorizerInput) Validate() error {
 	if s.AuthorizerId == nil {
 		invalidParams.Add(request.NewErrParamRequired("AuthorizerId"))
 	}
+	if s.AuthorizerId != nil && len(*s.AuthorizerId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("AuthorizerId", 1))
+	}
 	if s.RestApiId == nil {
 		invalidParams.Add(request.NewErrParamRequired("RestApiId"))
 	}
+	if s.RestApiId != nil && len(*s.RestApiId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("RestApiId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -15666,6 +15846,9 @@ func (s *GetAuthorizersInput) Validate() error {
 	if s.RestApiId == nil {
 		invalidParams.Add(request.NewErrParamRequired("RestApiId"))
 	}
+	if s.RestApiId != nil && len(*s.RestApiId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("RestApiId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -15759,9 +15942,15 @@ func (s *GetBasePathMappingInput) Validate() error {
 	if s.BasePath == nil {
 		invalidParams.Add(request.NewErrParamRequired("BasePath"))
 	}
+	if s.BasePath != nil && len(*s.BasePath) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("BasePath", 1))
+	}
 	if s.DomainName == nil {
 		invalidParams.Add(request.NewErrParamRequired("DomainName"))
 	}
+	if s.DomainName != nil && len(*s.DomainName) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("DomainName", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -15814,6 +16003,9 @@ func (s *GetBasePathMappingsInput) Validate() error {
 	if s.DomainName == nil {
 		invalidParams.Add(request.NewErrParamRequired("DomainName"))
 	}
+	if s.DomainName != nil && len(*s.DomainName) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("DomainName", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -15899,6 +16091,9 @@ func (s *GetClientCertificateInput) Validate() error {
 	if s.ClientCertificateId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ClientCertificateId"))
 	}
+	if s.ClientCertificateId != nil && len(*s.ClientCertificateId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ClientCertificateId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -16020,9 +16215,15 @@ func (s *GetDeploymentInput) Validate() error {
 	if s.DeploymentId == nil {
 		invalidParams.Add(request.NewErrParamRequired("DeploymentId"))
 	}
+	if s.DeploymentId != nil && len(*s.DeploymentId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("DeploymentId", 1))
+	}
 	if s.RestApiId == nil {
 		invalidParams.Add(request.NewErrParamRequired("RestApiId"))
 	}
+	if s.RestApiId != nil && len(*s.RestApiId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("RestApiId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -16081,6 +16282,9 @@ func (s *GetDeploymentsInput) Validate() error {
 	if s.RestApiId == nil {
 		invalidParams.Add(request.NewErrParamRequired("RestApiId"))
 	}
+	if s.RestApiId != nil && len(*s.RestApiId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("RestApiId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -16180,9 +16384,15 @@ func (s *GetDocumentationPartInput) Validate() error {
 	if s.DocumentationPartId == nil {
 		invalidParams.Add(request.NewErrParamRequired("DocumentationPartId"))
 	}
+	if s.DocumentationPartId != nil && len(*s.DocumentationPartId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("DocumentationPartId", 1))
+	}
 	if s.RestApiId == nil {
 		invalidParams.Add(request.NewErrParamRequired("RestApiId"))
 	}
+	if s.RestApiId != nil && len(*s.RestApiId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("RestApiId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -16250,6 +16460,9 @@ func (s *GetDocumentationPartsInput) Validate() error {
 	if s.RestApiId == nil {
 		invalidParams.Add(request.NewErrParamRequired("RestApiId"))
 	}
+	if s.RestApiId != nil && len(*s.RestApiId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("RestApiId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -16364,9 +16577,15 @@ func (s *GetDocumentationVersionInput) Validate() error {
 	if s.DocumentationVersion == nil {
 		invalidParams.Add(request.NewErrParamRequired("DocumentationVersion"))
 	}
+	if s.DocumentationVersion != nil && len(*s.DocumentationVersion) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("DocumentationVersion", 1))
+	}
 	if s.RestApiId == nil {
 		invalidParams.Add(request.NewErrParamRequired("RestApiId"))
 	}
+	if s.RestApiId != nil && len(*s.RestApiId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("RestApiId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -16419,6 +16638,9 @@ func (s *GetDocumentationVersionsInput) Validate() error {
 	if s.RestApiId == nil {
 		invalidParams.Add(request.NewErrParamRequired("RestApiId"))
 	}
+	if s.RestApiId != nil && len(*s.RestApiId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("RestApiId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -16508,6 +16730,9 @@ func (s *GetDomainNameInput) Validate() error {
 	if s.DomainName == nil {
 		invalidParams.Add(request.NewErrParamRequired("DomainName"))
 	}
+	if s.DomainName != nil && len(*s.DomainName) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("DomainName", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -16640,12 +16865,21 @@ func (s *GetExportInput) Validate() error {
 	if s.ExportType == nil {
 		invalidParams.Add(request.NewErrParamRequired("ExportType"))
 	}
+	if s.ExportType != nil && len(*s.ExportType) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ExportType", 1))
+	}
 	if s.RestApiId == nil {
 		invalidParams.Add(request.NewErrParamRequired("RestApiId"))
 	}
+	if s.RestApiId != nil && len(*s.RestApiId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("RestApiId", 1))
+	}
 	if s.StageName == nil {
 		invalidParams.Add(request.NewErrParamRequired("StageName"))
 	}
+	if s.StageName != nil && len(*s.StageName) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("StageName", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -16777,9 +17011,15 @@ func (s *GetGatewayResponseInput) Validate() error {
 	if s.ResponseType == nil {
 		invalidParams.Add(request.NewErrParamRequired("ResponseType"))
 	}
+	if s.ResponseType != nil && len(*s.ResponseType) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ResponseType", 1))
+	}
 	if s.RestApiId == nil {
 		invalidParams.Add(request.NewErrParamRequired("RestApiId"))
 	}
+	if s.RestApiId != nil && len(*s.RestApiId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("RestApiId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -16837,6 +17077,9 @@ func (s *GetGatewayResponsesInput) Validate() error {
 	if s.RestApiId == nil {
 		invalidParams.Add(request.NewErrParamRequired("RestApiId"))
 	}
+	if s.RestApiId != nil && len(*s.RestApiId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("RestApiId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -17089,12 +17332,21 @@ func (s *GetIntegrationInput) Validate() error {
 	if s.HttpMethod == nil {
 		invalidParams.Add(request.NewErrParamRequired("HttpMethod"))
 	}
+	if s.HttpMethod != nil && len(*s.HttpMethod) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("HttpMethod", 1))
+	}
 	if s.ResourceId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ResourceId"))
 	}
+	if s.ResourceId != nil && len(*s.ResourceId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ResourceId", 1))
+	}
 	if s.RestApiId == nil {
 		invalidParams.Add(request.NewErrParamRequired("RestApiId"))
 	}
+	if s.RestApiId != nil && len(*s.RestApiId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("RestApiId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -17161,15 +17413,27 @@ func (s *GetIntegrationResponseInput) Validate() error {
 	if s.HttpMethod == nil {
 		invalidParams.Add(request.NewErrParamRequired("HttpMethod"))
 	}
+	if s.HttpMethod != nil && len(*s.HttpMethod) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("HttpMethod", 1))
+	}
 	if s.ResourceId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ResourceId"))
 	}
+	if s.ResourceId != nil && len(*s.ResourceId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ResourceId", 1))
+	}
 	if s.RestApiId == nil {
 		invalidParams.Add(request.NewErrParamRequired("RestApiId"))
 	}
+	if s.RestApiId != nil && len(*s.RestApiId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("RestApiId", 1))
+	}
 	if s.StatusCode == nil {
 		invalidParams.Add(request.NewErrParamRequired("StatusCode"))
 	}
+	if s.StatusCode != nil && len(*s.StatusCode) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("StatusCode", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -17237,12 +17501,21 @@ func (s *GetMethodInput) Validate() error {
 	if s.HttpMethod == nil {
 		invalidParams.Add(request.NewErrParamRequired("HttpMethod"))
 	}
+	if s.HttpMethod != nil && len(*s.HttpMethod) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("HttpMethod", 1))
+	}
 	if s.ResourceId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ResourceId"))
 	}
+	if s.ResourceId != nil && len(*s.ResourceId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ResourceId", 1))
+	}
 	if s.RestApiId == nil {
 		invalidParams.Add(request.NewErrParamRequired("RestApiId"))
 	}
+	if s.RestApiId != nil && len(*s.RestApiId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("RestApiId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -17309,15 +17582,27 @@ func (s *GetMethodResponseInput) Validate() error {
 	if s.HttpMethod == nil {
 		invalidParams.Add(request.NewErrParamRequired("HttpMethod"))
 	}
+	if s.HttpMethod != nil && len(*s.HttpMethod) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("HttpMethod", 1))
+	}
 	if s.ResourceId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ResourceId"))
 	}
+	if s.ResourceId != nil && len(*s.ResourceId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ResourceId", 1))
+	}
 	if s.RestApiId == nil {
 		invalidParams.Add(request.NewErrParamRequired("RestApiId"))
 	}
+	if s.RestApiId != nil && len(*s.RestApiId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("RestApiId", 1))
+	}
 	if s.StatusCode == nil {
 		invalidParams.Add(request.NewErrParamRequired("StatusCode"))
 	}
+	if s.StatusCode != nil && len(*s.StatusCode) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("StatusCode", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -17385,9 +17670,15 @@ func (s *GetModelInput) Validate() error {
 	if s.ModelName == nil {
 		invalidParams.Add(request.NewErrParamRequired("ModelName"))
 	}
+	if s.ModelName != nil && len(*s.ModelName) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ModelName", 1))
+	}
 	if s.RestApiId == nil {
 		invalidParams.Add(request.NewErrParamRequired("RestApiId"))
 	}
+	if s.RestApiId != nil && len(*s.RestApiId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("RestApiId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -17444,9 +17735,15 @@ func (s *GetModelTemplateInput) Validate() error {
 	if s.ModelName == nil {
 		invalidParams.Add(request.NewErrParamRequired("ModelName"))
 	}
+	if s.ModelName != nil && len(*s.ModelName) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ModelName", 1))
+	}
 	if s.RestApiId == nil {
 		invalidParams.Add(request.NewErrParamRequired("RestApiId"))
 	}
+	if s.RestApiId != nil && len(*s.RestApiId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("RestApiId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -17526,6 +17823,9 @@ func (s *GetModelsInput) Validate() error {
 	if s.RestApiId == nil {
 		invalidParams.Add(request.NewErrParamRequired("RestApiId"))
 	}
+	if s.RestApiId != nil && len(*s.RestApiId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("RestApiId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -17616,9 +17916,15 @@ func (s *GetRequestValidatorInput) Validate() error {
 	if s.RequestValidatorId == nil {
 		invalidParams.Add(request.NewErrParamRequired("RequestValidatorId"))
 	}
+	if s.RequestValidatorId != nil && len(*s.RequestValidatorId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("RequestValidatorId", 1))
+	}
 	if s.RestApiId == nil {
 		invalidParams.Add(request.NewErrParamRequired("RestApiId"))
 	}
+	if s.RestApiId != nil && len(*s.RestApiId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("RestApiId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -17671,6 +17977,9 @@ func (s *GetRequestValidatorsInput) Validate() error {
 	if s.RestApiId == nil {
 		invalidParams.Add(request.NewErrParamRequired("RestApiId"))
 	}
+	if s.RestApiId != nil && len(*s.RestApiId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("RestApiId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -17773,9 +18082,15 @@ func (s *GetResourceInput) Validate() error {
 	if s.ResourceId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ResourceId"))
 	}
+	if s.ResourceId != nil && len(*s.ResourceId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ResourceId", 1))
+	}
 	if s.RestApiId == nil {
 		invalidParams.Add(request.NewErrParamRequired("RestApiId"))
 	}
+	if s.RestApiId != nil && len(*s.RestApiId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("RestApiId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -17842,6 +18157,9 @@ func (s *GetResourcesInput) Validate() error {
 	if s.RestApiId == nil {
 		invalidParams.Add(request.NewErrParamRequired("RestApiId"))
 	}
+	if s.RestApiId != nil && len(*s.RestApiId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("RestApiId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -17933,6 +18251,9 @@ func (s *GetRestApiInput) Validate() error {
 	if s.RestApiId == nil {
 		invalidParams.Add(request.NewErrParamRequired("RestApiId"))
 	}
+	if s.RestApiId != nil && len(*s.RestApiId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("RestApiId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -18059,12 +18380,21 @@ func (s *GetSdkInput) Validate() error {
 	if s.RestApiId == nil {
 		invalidParams.Add(request.NewErrParamRequired("RestApiId"))
 	}
+	if s.RestApiId != nil && len(*s.RestApiId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("RestApiId", 1))
+	}
 	if s.SdkType == nil {
 		invalidParams.Add(request.NewErrParamRequired("SdkType"))
 	}
+	if s.SdkType != nil && len(*s.SdkType) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("SdkType", 1))
+	}
 	if s.StageName == nil {
 		invalidParams.Add(request.NewErrParamRequired("StageName"))
 	}
+	if s.StageName != nil && len(*s.StageName) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("StageName", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -18164,6 +18494,9 @@ func (s *GetSdkTypeInput) Validate() error {
 	if s.Id == nil {
 		invalidParams.Add(request.NewErrParamRequired("Id"))
 	}
+	if s.Id != nil && len(*s.Id) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Id", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -18274,9 +18607,15 @@ func (s *GetStageInput) Validate() error {
 	if s.RestApiId == nil {
 		invalidParams.Add(request.NewErrParamRequired("RestApiId"))
 	}
+	if s.RestApiId != nil && len(*s.RestApiId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("RestApiId", 1))
+	}
 	if s.StageName == nil {
 		invalidParams.Add(request.NewErrParamRequired("StageName"))
 	}
+	if s.StageName != nil && len(*s.StageName) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("StageName", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -18325,6 +18664,9 @@ func (s *GetStagesInput) Validate() error {
 	if s.RestApiId == nil {
 		invalidParams.Add(request.NewErrParamRequired("RestApiId"))
 	}
+	if s.RestApiId != nil && len(*s.RestApiId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("RestApiId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -18405,6 +18747,9 @@ func (s *GetTagsInput) Validate() error {
 	if s.ResourceArn == nil {
 		invalidParams.Add(request.NewErrParamRequired("ResourceArn"))
 	}
+	if s.ResourceArn != nil && len(*s.ResourceArn) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ResourceArn", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -18507,6 +18852,9 @@ func (s *GetUsageInput) Validate() error {
 	if s.UsagePlanId == nil {
 		invalidParams.Add(request.NewErrParamRequired("UsagePlanId"))
 	}
+	if s.UsagePlanId != nil && len(*s.UsagePlanId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("UsagePlanId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -18576,6 +18924,9 @@ func (s *GetUsagePlanInput) Validate() error {
 	if s.UsagePlanId == nil {
 		invalidParams.Add(request.NewErrParamRequired("UsagePlanId"))
 	}
+	if s.UsagePlanId != nil && len(*s.UsagePlanId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("UsagePlanId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -18622,9 +18973,15 @@ func (s *GetUsagePlanKeyInput) Validate() error {
 	if s.KeyId == nil {
 		invalidParams.Add(request.NewErrParamRequired("KeyId"))
 	}
+	if s.KeyId != nil && len(*s.KeyId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("KeyId", 1))
+	}
 	if s.UsagePlanId == nil {
 		invalidParams.Add(request.NewErrParamRequired("UsagePlanId"))
 	}
+	if s.UsagePlanId != nil && len(*s.UsagePlanId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("UsagePlanId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -18682,6 +19039,9 @@ func (s *GetUsagePlanKeysInput) Validate() error {
 	if s.UsagePlanId == nil {
 		invalidParams.Add(request.NewErrParamRequired("UsagePlanId"))
 	}
+	if s.UsagePlanId != nil && len(*s.UsagePlanId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("UsagePlanId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -18852,6 +19212,9 @@ func (s *GetVpcLinkInput) Validate() error {
 	if s.VpcLinkId == nil {
 		invalidParams.Add(request.NewErrParamRequired("VpcLinkId"))
 	}
+	if s.VpcLinkId != nil && len(*s.VpcLinkId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("VpcLinkId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -19078,6 +19441,9 @@ func (s *ImportDocumentationPartsInput) Validate() error {
 	if s.RestApiId == nil {
 		invalidParams.Add(request.NewErrParamRequired("RestApiId"))
 	}
+	if s.RestApiId != nil && len(*s.RestApiId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("RestApiId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -20300,9 +20666,15 @@ func (s *PutGatewayResponseInput) Validate() error {
 	if s.ResponseType == nil {
 		invalidParams.Add(request.NewErrParamRequired("ResponseType"))
 	}
+	if s.ResponseType != nil && len(*s.ResponseType) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ResponseType", 1))
+	}
 	if s.RestApiId == nil {
 		invalidParams.Add(request.NewErrParamRequired("RestApiId"))
 	}
+	if s.RestApiId != nil && len(*s.RestApiId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("RestApiId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -20477,12 +20849,21 @@ func (s *PutIntegrationInput) Validate() error {
 	if s.HttpMethod == nil {
 		invalidParams.Add(request.NewErrParamRequired("HttpMethod"))
 	}
+	if s.HttpMethod != nil && len(*s.HttpMethod) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("HttpMethod", 1))
+	}
 	if s.ResourceId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ResourceId"))
 	}
+	if s.ResourceId != nil && len(*s.ResourceId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ResourceId", 1))
+	}
 	if s.RestApiId == nil {
 		invalidParams.Add(request.NewErrParamRequired("RestApiId"))
 	}
+	if s.RestApiId != nil && len(*s.RestApiId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("RestApiId", 1))
+	}
 	if s.Type == nil {
 		invalidParams.Add(request.NewErrParamRequired("Type"))
 	}
@@ -20662,15 +21043,27 @@ func (s *PutIntegrationResponseInput) Validate() error {
 	if s.HttpMethod == nil {
 		invalidParams.Add(request.NewErrParamRequired("HttpMethod"))
 	}
+	if s.HttpMethod != nil && len(*s.HttpMethod) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("HttpMethod", 1))
+	}
 	if s.ResourceId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ResourceId"))
 	}
+	if s.ResourceId != nil && len(*s.ResourceId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ResourceId", 1))
+	}
 	if s.RestApiId == nil {
 		invalidParams.Add(request.NewErrParamRequired("RestApiId"))
 	}
+	if s.RestApiId != nil && len(*s.RestApiId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("RestApiId", 1))
+	}
 	if s.StatusCode == nil {
 		invalidParams.Add(request.NewErrParamRequired("StatusCode"))
 	}
+	if s.StatusCode != nil && len(*s.StatusCode) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("StatusCode", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -20813,12 +21206,21 @@ func (s *PutMethodInput) Validate() error {
 	if s.HttpMethod == nil {
 		invalidParams.Add(request.NewErrParamRequired("HttpMethod"))
 	}
+	if s.HttpMethod != nil && len(*s.HttpMethod) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("HttpMethod", 1))
+	}
 	if s.ResourceId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ResourceId"))
 	}
+	if s.ResourceId != nil && len(*s.ResourceId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ResourceId", 1))
+	}
 	if s.RestApiId == nil {
 		invalidParams.Add(request.NewErrParamRequired("RestApiId"))
 	}
+	if s.RestApiId != nil && len(*s.RestApiId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("RestApiId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -20951,15 +21353,27 @@ func (s *PutMethodResponseInput) Validate() error {
 	if s.HttpMethod == nil {
 		invalidParams.Add(request.NewErrParamRequired("HttpMethod"))
 	}
+	if s.HttpMethod != nil && len(*s.HttpMethod) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("HttpMethod", 1))
+	}
 	if s.ResourceId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ResourceId"))
 	}
+	if s.ResourceId != nil && len(*s.ResourceId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ResourceId", 1))
+	}
 	if s.RestApiId == nil {
 		invalidParams.Add(request.NewErrParamRequired("RestApiId"))
 	}
+	if s.RestApiId != nil && len(*s.RestApiId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("RestApiId", 1))
+	}
 	if s.StatusCode == nil {
 		invalidParams.Add(request.NewErrParamRequired("StatusCode"))
 	}
+	if s.StatusCode != nil && len(*s.StatusCode) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("StatusCode", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -21054,6 +21468,9 @@ func (s *PutRestApiInput) Validate() error {
 	if s.RestApiId == nil {
 		invalidParams.Add(request.NewErrParamRequired("RestApiId"))
 	}
+	if s.RestApiId != nil && len(*s.RestApiId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("RestApiId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -21738,6 +22155,9 @@ func (s *TagResourceInput) Validate() error {
 	if s.ResourceArn == nil {
 		invalidParams.Add(request.NewErrParamRequired("ResourceArn"))
 	}
+	if s.ResourceArn != nil && len(*s.ResourceArn) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ResourceArn", 1))
+	}
 	if s.Tags == nil {
 		invalidParams.Add(request.NewErrParamRequired("Tags"))
 	}
@@ -21829,9 +22249,15 @@ func (s *TestInvokeAuthorizerInput) Validate() error {
 	if s.AuthorizerId == nil {
 		invalidParams.Add(request.NewErrParamRequired("AuthorizerId"))
 	}
+	if s.AuthorizerId != nil && len(*s.AuthorizerId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("AuthorizerId", 1))
+	}
 	if s.RestApiId == nil {
 		invalidParams.Add(request.NewErrParamRequired("RestApiId"))
 	}
+	if s.RestApiId != nil && len(*s.RestApiId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("RestApiId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -22026,12 +22452,21 @@ func (s *TestInvokeMethodInput) Validate() error {
 	if s.HttpMethod == nil {
 		invalidParams.Add(request.NewErrParamRequired("HttpMethod"))
 	}
+	if s.HttpMethod != nil && len(*s.HttpMethod) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("HttpMethod", 1))
+	}
 	if s.ResourceId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ResourceId"))
 	}
+	if s.ResourceId != nil && len(*s.ResourceId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ResourceId", 1))
+	}
 	if s.RestApiId == nil {
 		invalidParams.Add(request.NewErrParamRequired("RestApiId"))
 	}
+	if s.RestApiId != nil && len(*s.RestApiId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("RestApiId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -22231,6 +22666,9 @@ func (s *UntagResourceInput) Validate() error {
 	if s.ResourceArn == nil {
 		invalidParams.Add(request.NewErrParamRequired("ResourceArn"))
 	}
+	if s.ResourceArn != nil && len(*s.ResourceArn) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ResourceArn", 1))
+	}
 	if s.TagKeys == nil {
 		invalidParams.Add(request.NewErrParamRequired("TagKeys"))
 	}
@@ -22322,6 +22760,9 @@ func (s *UpdateApiKeyInput) Validate() error {
 	if s.ApiKey == nil {
 		invalidParams.Add(request.NewErrParamRequired("ApiKey"))
 	}
+	if s.ApiKey != nil && len(*s.ApiKey) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ApiKey", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -22376,9 +22817,15 @@ func (s *UpdateAuthorizerInput) Validate() error {
 	if s.AuthorizerId == nil {
 		invalidParams.Add(request.NewErrParamRequired("AuthorizerId"))
 	}
+	if s.AuthorizerId != nil && len(*s.AuthorizerId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("AuthorizerId", 1))
+	}
 	if s.RestApiId == nil {
 		invalidParams.Add(request.NewErrParamRequired("RestApiId"))
 	}
+	if s.RestApiId != nil && len(*s.RestApiId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("RestApiId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -22439,9 +22886,15 @@ func (s *UpdateBasePathMappingInput) Validate() error {
 	if s.BasePath == nil {
 		invalidParams.Add(request.NewErrParamRequired("BasePath"))
 	}
+	if s.BasePath != nil && len(*s.BasePath) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("BasePath", 1))
+	}
 	if s.DomainName == nil {
 		invalidParams.Add(request.NewErrParamRequired("DomainName"))
 	}
+	if s.DomainName != nil && len(*s.DomainName) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("DomainName", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -22497,6 +22950,9 @@ func (s *UpdateClientCertificateInput) Validate() error {
 	if s.ClientCertificateId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ClientCertificateId"))
 	}
+	if s.ClientCertificateId != nil && len(*s.ClientCertificateId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ClientCertificateId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -22552,9 +23008,15 @@ func (s *UpdateDeploymentInput) Validate() error {
 	if s.DeploymentId == nil {
 		invalidParams.Add(request.NewErrParamRequired("DeploymentId"))
 	}
+	if s.DeploymentId != nil && len(*s.DeploymentId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("DeploymentId", 1))
+	}
 	if s.RestApiId == nil {
 		invalidParams.Add(request.NewErrParamRequired("RestApiId"))
 	}
+	if s.RestApiId != nil && len(*s.RestApiId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("RestApiId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -22615,9 +23077,15 @@ func (s *UpdateDocumentationPartInput) Validate() error {
 	if s.DocumentationPartId == nil {
 		invalidParams.Add(request.NewErrParamRequired("DocumentationPartId"))
 	}
+	if s.DocumentationPartId != nil && len(*s.DocumentationPartId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("DocumentationPartId", 1))
+	}
 	if s.RestApiId == nil {
 		invalidParams.Add(request.NewErrParamRequired("RestApiId"))
 	}
+	if s.RestApiId != nil && len(*s.RestApiId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("RestApiId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -22678,9 +23146,15 @@ func (s *UpdateDocumentationVersionInput) Validate() error {
 	if s.DocumentationVersion == nil {
 		invalidParams.Add(request.NewErrParamRequired("DocumentationVersion"))
 	}
+	if s.DocumentationVersion != nil && len(*s.DocumentationVersion) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("DocumentationVersion", 1))
+	}
 	if s.RestApiId == nil {
 		invalidParams.Add(request.NewErrParamRequired("RestApiId"))
 	}
+	if s.RestApiId != nil && len(*s.RestApiId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("RestApiId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -22736,6 +23210,9 @@ func (s *UpdateDomainNameInput) Validate() error {
 	if s.DomainName == nil {
 		invalidParams.Add(request.NewErrParamRequired("DomainName"))
 	}
+	if s.DomainName != nil && len(*s.DomainName) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("DomainName", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -22810,9 +23287,15 @@ func (s *UpdateGatewayResponseInput) Validate() error {
 	if s.ResponseType == nil {
 		invalidParams.Add(request.NewErrParamRequired("ResponseType"))
 	}
+	if s.ResponseType != nil && len(*s.ResponseType) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ResponseType", 1))
+	}
 	if s.RestApiId == nil {
 		invalidParams.Add(request.NewErrParamRequired("RestApiId"))
 	}
+	if s.RestApiId != nil && len(*s.RestApiId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("RestApiId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -23002,12 +23485,21 @@ func (s *UpdateIntegrationInput) Validate() error {
 	if s.HttpMethod == nil {
 		invalidParams.Add(request.NewErrParamRequired("HttpMethod"))
 	}
+	if s.HttpMethod != nil && len(*s.HttpMethod) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("HttpMethod", 1))
+	}
 	if s.ResourceId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ResourceId"))
 	}
+	if s.ResourceId != nil && len(*s.ResourceId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ResourceId", 1))
+	}
 	if s.RestApiId == nil {
 		invalidParams.Add(request.NewErrParamRequired("RestApiId"))
 	}
+	if s.RestApiId != nil && len(*s.RestApiId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("RestApiId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -23084,15 +23576,27 @@ func (s *UpdateIntegrationResponseInput) Validate() error {
 	if s.HttpMethod == nil {
 		invalidParams.Add(request.NewErrParamRequired("HttpMethod"))
 	}
+	if s.HttpMethod != nil && len(*s.HttpMethod) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("HttpMethod", 1))
+	}
 	if s.ResourceId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ResourceId"))
 	}
+	if s.ResourceId != nil && len(*s.ResourceId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ResourceId", 1))
+	}
 	if s.RestApiId == nil {
 		invalidParams.Add(request.NewErrParamRequired("RestApiId"))
 	}
+	if s.RestApiId != nil && len(*s.RestApiId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("RestApiId", 1))
+	}
 	if s.StatusCode == nil {
 		invalidParams.Add(request.NewErrParamRequired("StatusCode"))
 	}
+	if s.StatusCode != nil && len(*s.StatusCode) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("StatusCode", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -23170,12 +23674,21 @@ func (s *UpdateMethodInput) Validate() error {
 	if s.HttpMethod == nil {
 		invalidParams.Add(request.NewErrParamRequired("HttpMethod"))
 	}
+	if s.HttpMethod != nil && len(*s.HttpMethod) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("HttpMethod", 1))
+	}
 	if s.ResourceId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ResourceId"))
 	}
+	if s.ResourceId != nil && len(*s.ResourceId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ResourceId", 1))
+	}
 	if s.RestApiId == nil {
 		invalidParams.Add(request.NewErrParamRequired("RestApiId"))
 	}
+	if s.RestApiId != nil && len(*s.RestApiId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("RestApiId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -23252,15 +23765,27 @@ func (s *UpdateMethodResponseInput) Validate() error {
 	if s.HttpMethod == nil {
 		invalidParams.Add(request.NewErrParamRequired("HttpMethod"))
 	}
+	if s.HttpMethod != nil && len(*s.HttpMethod) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("HttpMethod", 1))
+	}
 	if s.ResourceId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ResourceId"))
 	}
+	if s.ResourceId != nil && len(*s.ResourceId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ResourceId", 1))
+	}
 	if s.RestApiId == nil {
 		invalidParams.Add(request.NewErrParamRequired("RestApiId"))
 	}
+	if s.RestApiId != nil && len(*s.RestApiId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("RestApiId", 1))
+	}
 	if s.StatusCode == nil {
 		invalidParams.Add(request.NewErrParamRequired("StatusCode"))
 	}
+	if s.StatusCode != nil && len(*s.StatusCode) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("StatusCode", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -23333,9 +23858,15 @@ func (s *UpdateModelInput) Validate() error {
 	if s.ModelName == nil {
 		invalidParams.Add(request.NewErrParamRequired("ModelName"))
 	}
+	if s.ModelName != nil && len(*s.ModelName) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ModelName", 1))
+	}
 	if s.RestApiId == nil {
 		invalidParams.Add(request.NewErrParamRequired("RestApiId"))
 	}
+	if s.RestApiId != nil && len(*s.RestApiId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("RestApiId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -23396,9 +23927,15 @@ func (s *UpdateRequestValidatorInput) Validate() error {
 	if s.RequestValidatorId == nil {
 		invalidParams.Add(request.NewErrParamRequired("RequestValidatorId"))
 	}
+	if s.RequestValidatorId != nil && len(*s.RequestValidatorId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("RequestValidatorId", 1))
+	}
 	if s.RestApiId == nil {
 		invalidParams.Add(request.NewErrParamRequired("RestApiId"))
 	}
+	if s.RestApiId != nil && len(*s.RestApiId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("RestApiId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -23520,9 +24057,15 @@ func (s *UpdateResourceInput) Validate() error {
 	if s.ResourceId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ResourceId"))
 	}
+	if s.ResourceId != nil && len(*s.ResourceId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ResourceId", 1))
+	}
 	if s.RestApiId == nil {
 		invalidParams.Add(request.NewErrParamRequired("RestApiId"))
 	}
+	if s.RestApiId != nil && len(*s.RestApiId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("RestApiId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -23578,6 +24121,9 @@ func (s *UpdateRestApiInput) Validate() error {
 	if s.RestApiId == nil {
 		invalidParams.Add(request.NewErrParamRequired("RestApiId"))
 	}
+	if s.RestApiId != nil && len(*s.RestApiId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("RestApiId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -23632,9 +24178,15 @@ func (s *UpdateStageInput) Validate() error {
 	if s.RestApiId == nil {
 		invalidParams.Add(request.NewErrParamRequired("RestApiId"))
 	}
+	if s.RestApiId != nil && len(*s.RestApiId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("RestApiId", 1))
+	}
 	if s.StageName == nil {
 		invalidParams.Add(request.NewErrParamRequired("StageName"))
 	}
+	if s.StageName != nil && len(*s.StageName) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("StageName", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -23697,9 +24249,15 @@ func (s *UpdateUsageInput) Validate() error {
 	if s.KeyId == nil {
 		invalidParams.Add(request.NewErrParamRequired("KeyId"))
 	}
+	if s.KeyId != nil && len(*s.KeyId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("KeyId", 1))
+	}
 	if s.UsagePlanId == nil {
 		invalidParams.Add(request.NewErrParamRequired("UsagePlanId"))
 	}
+	if s.UsagePlanId != nil && len(*s.UsagePlanId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("UsagePlanId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -23755,6 +24313,9 @@ func (s *UpdateUsagePlanInput) Validate() error {
 	if s.UsagePlanId == nil {
 		invalidParams.Add(request.NewErrParamRequired("UsagePlanId"))
 	}
+	if s.UsagePlanId != nil && len(*s.UsagePlanId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("UsagePlanId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -23805,6 +24366,9 @@ func (s *UpdateVpcLinkInput) Validate() error {
 	if s.VpcLinkId == nil {
 		invalidParams.Add(request.NewErrParamRequired("VpcLinkId"))
 	}
+	if s.VpcLinkId != nil && len(*s.VpcLinkId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("VpcLinkId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
diff --git a/service/appsync/api.go b/service/appsync/api.go
index b7db286b050..db94b6c7f1b 100644
--- a/service/appsync/api.go
+++ b/service/appsync/api.go
@@ -3252,6 +3252,9 @@ func (s *CreateApiKeyInput) Validate() error {
 	if s.ApiId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ApiId"))
 	}
+	if s.ApiId != nil && len(*s.ApiId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ApiId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -3357,6 +3360,9 @@ func (s *CreateDataSourceInput) Validate() error {
 	if s.ApiId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ApiId"))
 	}
+	if s.ApiId != nil && len(*s.ApiId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ApiId", 1))
+	}
 	if s.Name == nil {
 		invalidParams.Add(request.NewErrParamRequired("Name"))
 	}
@@ -3526,6 +3532,9 @@ func (s *CreateFunctionInput) Validate() error {
 	if s.ApiId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ApiId"))
 	}
+	if s.ApiId != nil && len(*s.ApiId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ApiId", 1))
+	}
 	if s.DataSourceName == nil {
 		invalidParams.Add(request.NewErrParamRequired("DataSourceName"))
 	}
@@ -3797,6 +3806,9 @@ func (s *CreateResolverInput) Validate() error {
 	if s.ApiId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ApiId"))
 	}
+	if s.ApiId != nil && len(*s.ApiId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ApiId", 1))
+	}
 	if s.FieldName == nil {
 		invalidParams.Add(request.NewErrParamRequired("FieldName"))
 	}
@@ -3812,6 +3824,9 @@ func (s *CreateResolverInput) Validate() error {
 	if s.TypeName == nil {
 		invalidParams.Add(request.NewErrParamRequired("TypeName"))
 	}
+	if s.TypeName != nil && len(*s.TypeName) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("TypeName", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -3927,6 +3942,9 @@ func (s *CreateTypeInput) Validate() error {
 	if s.ApiId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ApiId"))
 	}
+	if s.ApiId != nil && len(*s.ApiId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ApiId", 1))
+	}
 	if s.Definition == nil {
 		invalidParams.Add(request.NewErrParamRequired("Definition"))
 	}
@@ -4133,9 +4151,15 @@ func (s *DeleteApiKeyInput) Validate() error {
 	if s.ApiId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ApiId"))
 	}
+	if s.ApiId != nil && len(*s.ApiId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ApiId", 1))
+	}
 	if s.Id == nil {
 		invalidParams.Add(request.NewErrParamRequired("Id"))
 	}
+	if s.Id != nil && len(*s.Id) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Id", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -4199,9 +4223,15 @@ func (s *DeleteDataSourceInput) Validate() error {
 	if s.ApiId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ApiId"))
 	}
+	if s.ApiId != nil && len(*s.ApiId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ApiId", 1))
+	}
 	if s.Name == nil {
 		invalidParams.Add(request.NewErrParamRequired("Name"))
 	}
+	if s.Name != nil && len(*s.Name) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Name", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -4265,9 +4295,15 @@ func (s *DeleteFunctionInput) Validate() error {
 	if s.ApiId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ApiId"))
 	}
+	if s.ApiId != nil && len(*s.ApiId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ApiId", 1))
+	}
 	if s.FunctionId == nil {
 		invalidParams.Add(request.NewErrParamRequired("FunctionId"))
 	}
+	if s.FunctionId != nil && len(*s.FunctionId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("FunctionId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -4326,6 +4362,9 @@ func (s *DeleteGraphqlApiInput) Validate() error {
 	if s.ApiId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ApiId"))
 	}
+	if s.ApiId != nil && len(*s.ApiId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ApiId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -4388,12 +4427,21 @@ func (s *DeleteResolverInput) Validate() error {
 	if s.ApiId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ApiId"))
 	}
+	if s.ApiId != nil && len(*s.ApiId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ApiId", 1))
+	}
 	if s.FieldName == nil {
 		invalidParams.Add(request.NewErrParamRequired("FieldName"))
 	}
+	if s.FieldName != nil && len(*s.FieldName) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("FieldName", 1))
+	}
 	if s.TypeName == nil {
 		invalidParams.Add(request.NewErrParamRequired("TypeName"))
 	}
+	if s.TypeName != nil && len(*s.TypeName) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("TypeName", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -4463,9 +4511,15 @@ func (s *DeleteTypeInput) Validate() error {
 	if s.ApiId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ApiId"))
 	}
+	if s.ApiId != nil && len(*s.ApiId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ApiId", 1))
+	}
 	if s.TypeName == nil {
 		invalidParams.Add(request.NewErrParamRequired("TypeName"))
 	}
+	if s.TypeName != nil && len(*s.TypeName) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("TypeName", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -4734,9 +4788,15 @@ func (s *GetDataSourceInput) Validate() error {
 	if s.ApiId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ApiId"))
 	}
+	if s.ApiId != nil && len(*s.ApiId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ApiId", 1))
+	}
 	if s.Name == nil {
 		invalidParams.Add(request.NewErrParamRequired("Name"))
 	}
+	if s.Name != nil && len(*s.Name) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Name", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -4809,9 +4869,15 @@ func (s *GetFunctionInput) Validate() error {
 	if s.ApiId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ApiId"))
 	}
+	if s.ApiId != nil && len(*s.ApiId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ApiId", 1))
+	}
 	if s.FunctionId == nil {
 		invalidParams.Add(request.NewErrParamRequired("FunctionId"))
 	}
+	if s.FunctionId != nil && len(*s.FunctionId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("FunctionId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -4879,6 +4945,9 @@ func (s *GetGraphqlApiInput) Validate() error {
 	if s.ApiId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ApiId"))
 	}
+	if s.ApiId != nil && len(*s.ApiId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ApiId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -4945,6 +5014,9 @@ func (s *GetIntrospectionSchemaInput) Validate() error {
 	if s.ApiId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ApiId"))
 	}
+	if s.ApiId != nil && len(*s.ApiId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ApiId", 1))
+	}
 	if s.Format == nil {
 		invalidParams.Add(request.NewErrParamRequired("Format"))
 	}
@@ -5027,12 +5099,21 @@ func (s *GetResolverInput) Validate() error {
 	if s.ApiId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ApiId"))
 	}
+	if s.ApiId != nil && len(*s.ApiId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ApiId", 1))
+	}
 	if s.FieldName == nil {
 		invalidParams.Add(request.NewErrParamRequired("FieldName"))
 	}
+	if s.FieldName != nil && len(*s.FieldName) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("FieldName", 1))
+	}
 	if s.TypeName == nil {
 		invalidParams.Add(request.NewErrParamRequired("TypeName"))
 	}
+	if s.TypeName != nil && len(*s.TypeName) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("TypeName", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -5106,6 +5187,9 @@ func (s *GetSchemaCreationStatusInput) Validate() error {
 	if s.ApiId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ApiId"))
 	}
+	if s.ApiId != nil && len(*s.ApiId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ApiId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -5187,12 +5271,18 @@ func (s *GetTypeInput) Validate() error {
 	if s.ApiId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ApiId"))
 	}
+	if s.ApiId != nil && len(*s.ApiId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ApiId", 1))
+	}
 	if s.Format == nil {
 		invalidParams.Add(request.NewErrParamRequired("Format"))
 	}
 	if s.TypeName == nil {
 		invalidParams.Add(request.NewErrParamRequired("TypeName"))
 	}
+	if s.TypeName != nil && len(*s.TypeName) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("TypeName", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -5450,6 +5540,9 @@ func (s *ListApiKeysInput) Validate() error {
 	if s.ApiId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ApiId"))
 	}
+	if s.ApiId != nil && len(*s.ApiId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ApiId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -5540,6 +5633,9 @@ func (s *ListDataSourcesInput) Validate() error {
 	if s.ApiId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ApiId"))
 	}
+	if s.ApiId != nil && len(*s.ApiId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ApiId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -5630,6 +5726,9 @@ func (s *ListFunctionsInput) Validate() error {
 	if s.ApiId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ApiId"))
 	}
+	if s.ApiId != nil && len(*s.ApiId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ApiId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -5791,9 +5890,15 @@ func (s *ListResolversByFunctionInput) Validate() error {
 	if s.ApiId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ApiId"))
 	}
+	if s.ApiId != nil && len(*s.ApiId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ApiId", 1))
+	}
 	if s.FunctionId == nil {
 		invalidParams.Add(request.NewErrParamRequired("FunctionId"))
 	}
+	if s.FunctionId != nil && len(*s.FunctionId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("FunctionId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -5894,9 +5999,15 @@ func (s *ListResolversInput) Validate() error {
 	if s.ApiId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ApiId"))
 	}
+	if s.ApiId != nil && len(*s.ApiId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ApiId", 1))
+	}
 	if s.TypeName == nil {
 		invalidParams.Add(request.NewErrParamRequired("TypeName"))
 	}
+	if s.TypeName != nil && len(*s.TypeName) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("TypeName", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -5998,6 +6109,9 @@ func (s *ListTypesInput) Validate() error {
 	if s.ApiId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ApiId"))
 	}
+	if s.ApiId != nil && len(*s.ApiId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ApiId", 1))
+	}
 	if s.Format == nil {
 		invalidParams.Add(request.NewErrParamRequired("Format"))
 	}
@@ -6453,6 +6567,9 @@ func (s *StartSchemaCreationInput) Validate() error {
 	if s.ApiId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ApiId"))
 	}
+	if s.ApiId != nil && len(*s.ApiId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ApiId", 1))
+	}
 	if s.Definition == nil {
 		invalidParams.Add(request.NewErrParamRequired("Definition"))
 	}
@@ -6596,9 +6713,15 @@ func (s *UpdateApiKeyInput) Validate() error {
 	if s.ApiId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ApiId"))
 	}
+	if s.ApiId != nil && len(*s.ApiId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ApiId", 1))
+	}
 	if s.Id == nil {
 		invalidParams.Add(request.NewErrParamRequired("Id"))
 	}
+	if s.Id != nil && len(*s.Id) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Id", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -6709,9 +6832,15 @@ func (s *UpdateDataSourceInput) Validate() error {
 	if s.ApiId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ApiId"))
 	}
+	if s.ApiId != nil && len(*s.ApiId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ApiId", 1))
+	}
 	if s.Name == nil {
 		invalidParams.Add(request.NewErrParamRequired("Name"))
 	}
+	if s.Name != nil && len(*s.Name) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Name", 1))
+	}
 	if s.Type == nil {
 		invalidParams.Add(request.NewErrParamRequired("Type"))
 	}
@@ -6883,12 +7012,18 @@ func (s *UpdateFunctionInput) Validate() error {
 	if s.ApiId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ApiId"))
 	}
+	if s.ApiId != nil && len(*s.ApiId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ApiId", 1))
+	}
 	if s.DataSourceName == nil {
 		invalidParams.Add(request.NewErrParamRequired("DataSourceName"))
 	}
 	if s.FunctionId == nil {
 		invalidParams.Add(request.NewErrParamRequired("FunctionId"))
 	}
+	if s.FunctionId != nil && len(*s.FunctionId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("FunctionId", 1))
+	}
 	if s.FunctionVersion == nil {
 		invalidParams.Add(request.NewErrParamRequired("FunctionVersion"))
 	}
@@ -7024,6 +7159,9 @@ func (s *UpdateGraphqlApiInput) Validate() error {
 	if s.ApiId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ApiId"))
 	}
+	if s.ApiId != nil && len(*s.ApiId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ApiId", 1))
+	}
 	if s.Name == nil {
 		invalidParams.Add(request.NewErrParamRequired("Name"))
 	}
@@ -7168,9 +7306,15 @@ func (s *UpdateResolverInput) Validate() error {
 	if s.ApiId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ApiId"))
 	}
+	if s.ApiId != nil && len(*s.ApiId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ApiId", 1))
+	}
 	if s.FieldName == nil {
 		invalidParams.Add(request.NewErrParamRequired("FieldName"))
 	}
+	if s.FieldName != nil && len(*s.FieldName) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("FieldName", 1))
+	}
 	if s.RequestMappingTemplate == nil {
 		invalidParams.Add(request.NewErrParamRequired("RequestMappingTemplate"))
 	}
@@ -7183,6 +7327,9 @@ func (s *UpdateResolverInput) Validate() error {
 	if s.TypeName == nil {
 		invalidParams.Add(request.NewErrParamRequired("TypeName"))
 	}
+	if s.TypeName != nil && len(*s.TypeName) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("TypeName", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -7299,12 +7446,18 @@ func (s *UpdateTypeInput) Validate() error {
 	if s.ApiId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ApiId"))
 	}
+	if s.ApiId != nil && len(*s.ApiId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ApiId", 1))
+	}
 	if s.Format == nil {
 		invalidParams.Add(request.NewErrParamRequired("Format"))
 	}
 	if s.TypeName == nil {
 		invalidParams.Add(request.NewErrParamRequired("TypeName"))
 	}
+	if s.TypeName != nil && len(*s.TypeName) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("TypeName", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
diff --git a/service/chime/api.go b/service/chime/api.go
index 8f138b77f75..8407ddf0848 100644
--- a/service/chime/api.go
+++ b/service/chime/api.go
@@ -1915,6 +1915,9 @@ func (s *BatchSuspendUserInput) Validate() error {
 	if s.AccountId == nil {
 		invalidParams.Add(request.NewErrParamRequired("AccountId"))
 	}
+	if s.AccountId != nil && len(*s.AccountId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("AccountId", 1))
+	}
 	if s.UserIdList == nil {
 		invalidParams.Add(request.NewErrParamRequired("UserIdList"))
 	}
@@ -1992,6 +1995,9 @@ func (s *BatchUnsuspendUserInput) Validate() error {
 	if s.AccountId == nil {
 		invalidParams.Add(request.NewErrParamRequired("AccountId"))
 	}
+	if s.AccountId != nil && len(*s.AccountId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("AccountId", 1))
+	}
 	if s.UserIdList == nil {
 		invalidParams.Add(request.NewErrParamRequired("UserIdList"))
 	}
@@ -2069,6 +2075,9 @@ func (s *BatchUpdateUserInput) Validate() error {
 	if s.AccountId == nil {
 		invalidParams.Add(request.NewErrParamRequired("AccountId"))
 	}
+	if s.AccountId != nil && len(*s.AccountId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("AccountId", 1))
+	}
 	if s.UpdateUserRequestItems == nil {
 		invalidParams.Add(request.NewErrParamRequired("UpdateUserRequestItems"))
 	}
@@ -2215,6 +2224,9 @@ func (s *DeleteAccountInput) Validate() error {
 	if s.AccountId == nil {
 		invalidParams.Add(request.NewErrParamRequired("AccountId"))
 	}
+	if s.AccountId != nil && len(*s.AccountId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("AccountId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -2267,6 +2279,9 @@ func (s *GetAccountInput) Validate() error {
 	if s.AccountId == nil {
 		invalidParams.Add(request.NewErrParamRequired("AccountId"))
 	}
+	if s.AccountId != nil && len(*s.AccountId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("AccountId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -2328,6 +2343,9 @@ func (s *GetAccountSettingsInput) Validate() error {
 	if s.AccountId == nil {
 		invalidParams.Add(request.NewErrParamRequired("AccountId"))
 	}
+	if s.AccountId != nil && len(*s.AccountId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("AccountId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -2394,9 +2412,15 @@ func (s *GetUserInput) Validate() error {
 	if s.AccountId == nil {
 		invalidParams.Add(request.NewErrParamRequired("AccountId"))
 	}
+	if s.AccountId != nil && len(*s.AccountId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("AccountId", 1))
+	}
 	if s.UserId == nil {
 		invalidParams.Add(request.NewErrParamRequired("UserId"))
 	}
+	if s.UserId != nil && len(*s.UserId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("UserId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -2521,6 +2545,9 @@ func (s *InviteUsersInput) Validate() error {
 	if s.AccountId == nil {
 		invalidParams.Add(request.NewErrParamRequired("AccountId"))
 	}
+	if s.AccountId != nil && len(*s.AccountId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("AccountId", 1))
+	}
 	if s.UserEmailList == nil {
 		invalidParams.Add(request.NewErrParamRequired("UserEmailList"))
 	}
@@ -2698,6 +2725,9 @@ func (s *ListUsersInput) Validate() error {
 	if s.AccountId == nil {
 		invalidParams.Add(request.NewErrParamRequired("AccountId"))
 	}
+	if s.AccountId != nil && len(*s.AccountId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("AccountId", 1))
+	}
 	if s.MaxResults != nil && *s.MaxResults < 1 {
 		invalidParams.Add(request.NewErrParamMinValue("MaxResults", 1))
 	}
@@ -2794,9 +2824,15 @@ func (s *LogoutUserInput) Validate() error {
 	if s.AccountId == nil {
 		invalidParams.Add(request.NewErrParamRequired("AccountId"))
 	}
+	if s.AccountId != nil && len(*s.AccountId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("AccountId", 1))
+	}
 	if s.UserId == nil {
 		invalidParams.Add(request.NewErrParamRequired("UserId"))
 	}
+	if s.UserId != nil && len(*s.UserId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("UserId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -2860,9 +2896,15 @@ func (s *ResetPersonalPINInput) Validate() error {
 	if s.AccountId == nil {
 		invalidParams.Add(request.NewErrParamRequired("AccountId"))
 	}
+	if s.AccountId != nil && len(*s.AccountId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("AccountId", 1))
+	}
 	if s.UserId == nil {
 		invalidParams.Add(request.NewErrParamRequired("UserId"))
 	}
+	if s.UserId != nil && len(*s.UserId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("UserId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -2933,6 +2975,9 @@ func (s *UpdateAccountInput) Validate() error {
 	if s.AccountId == nil {
 		invalidParams.Add(request.NewErrParamRequired("AccountId"))
 	}
+	if s.AccountId != nil && len(*s.AccountId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("AccountId", 1))
+	}
 	if s.Name != nil && len(*s.Name) < 1 {
 		invalidParams.Add(request.NewErrParamMinLen("Name", 1))
 	}
@@ -3008,6 +3053,9 @@ func (s *UpdateAccountSettingsInput) Validate() error {
 	if s.AccountId == nil {
 		invalidParams.Add(request.NewErrParamRequired("AccountId"))
 	}
+	if s.AccountId != nil && len(*s.AccountId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("AccountId", 1))
+	}
 	if s.AccountSettings == nil {
 		invalidParams.Add(request.NewErrParamRequired("AccountSettings"))
 	}
@@ -3078,9 +3126,15 @@ func (s *UpdateUserInput) Validate() error {
 	if s.AccountId == nil {
 		invalidParams.Add(request.NewErrParamRequired("AccountId"))
 	}
+	if s.AccountId != nil && len(*s.AccountId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("AccountId", 1))
+	}
 	if s.UserId == nil {
 		invalidParams.Add(request.NewErrParamRequired("UserId"))
 	}
+	if s.UserId != nil && len(*s.UserId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("UserId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
diff --git a/service/cloudfront/api.go b/service/cloudfront/api.go
index 75dbab26e15..c647608840b 100644
--- a/service/cloudfront/api.go
+++ b/service/cloudfront/api.go
@@ -6215,6 +6215,9 @@ func (s *CreateInvalidationInput) Validate() error {
 	if s.DistributionId == nil {
 		invalidParams.Add(request.NewErrParamRequired("DistributionId"))
 	}
+	if s.DistributionId != nil && len(*s.DistributionId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("DistributionId", 1))
+	}
 	if s.InvalidationBatch == nil {
 		invalidParams.Add(request.NewErrParamRequired("InvalidationBatch"))
 	}
@@ -7193,6 +7196,9 @@ func (s *DeleteCloudFrontOriginAccessIdentityInput) Validate() error {
 	if s.Id == nil {
 		invalidParams.Add(request.NewErrParamRequired("Id"))
 	}
+	if s.Id != nil && len(*s.Id) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Id", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -7290,6 +7296,9 @@ func (s *DeleteDistributionInput) Validate() error {
 	if s.Id == nil {
 		invalidParams.Add(request.NewErrParamRequired("Id"))
 	}
+	if s.Id != nil && len(*s.Id) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Id", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -7352,6 +7361,9 @@ func (s *DeleteFieldLevelEncryptionConfigInput) Validate() error {
 	if s.Id == nil {
 		invalidParams.Add(request.NewErrParamRequired("Id"))
 	}
+	if s.Id != nil && len(*s.Id) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Id", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -7414,6 +7426,9 @@ func (s *DeleteFieldLevelEncryptionProfileInput) Validate() error {
 	if s.Id == nil {
 		invalidParams.Add(request.NewErrParamRequired("Id"))
 	}
+	if s.Id != nil && len(*s.Id) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Id", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -7476,6 +7491,9 @@ func (s *DeletePublicKeyInput) Validate() error {
 	if s.Id == nil {
 		invalidParams.Add(request.NewErrParamRequired("Id"))
 	}
+	if s.Id != nil && len(*s.Id) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Id", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -7539,6 +7557,9 @@ func (s *DeleteStreamingDistributionInput) Validate() error {
 	if s.Id == nil {
 		invalidParams.Add(request.NewErrParamRequired("Id"))
 	}
+	if s.Id != nil && len(*s.Id) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Id", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -9529,6 +9550,9 @@ func (s *GetCloudFrontOriginAccessIdentityConfigInput) Validate() error {
 	if s.Id == nil {
 		invalidParams.Add(request.NewErrParamRequired("Id"))
 	}
+	if s.Id != nil && len(*s.Id) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Id", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -9601,6 +9625,9 @@ func (s *GetCloudFrontOriginAccessIdentityInput) Validate() error {
 	if s.Id == nil {
 		invalidParams.Add(request.NewErrParamRequired("Id"))
 	}
+	if s.Id != nil && len(*s.Id) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Id", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -9674,6 +9701,9 @@ func (s *GetDistributionConfigInput) Validate() error {
 	if s.Id == nil {
 		invalidParams.Add(request.NewErrParamRequired("Id"))
 	}
+	if s.Id != nil && len(*s.Id) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Id", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -9746,6 +9776,9 @@ func (s *GetDistributionInput) Validate() error {
 	if s.Id == nil {
 		invalidParams.Add(request.NewErrParamRequired("Id"))
 	}
+	if s.Id != nil && len(*s.Id) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Id", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -9817,6 +9850,9 @@ func (s *GetFieldLevelEncryptionConfigInput) Validate() error {
 	if s.Id == nil {
 		invalidParams.Add(request.NewErrParamRequired("Id"))
 	}
+	if s.Id != nil && len(*s.Id) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Id", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -9888,6 +9924,9 @@ func (s *GetFieldLevelEncryptionInput) Validate() error {
 	if s.Id == nil {
 		invalidParams.Add(request.NewErrParamRequired("Id"))
 	}
+	if s.Id != nil && len(*s.Id) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Id", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -9959,6 +9998,9 @@ func (s *GetFieldLevelEncryptionProfileConfigInput) Validate() error {
 	if s.Id == nil {
 		invalidParams.Add(request.NewErrParamRequired("Id"))
 	}
+	if s.Id != nil && len(*s.Id) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Id", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -10030,6 +10072,9 @@ func (s *GetFieldLevelEncryptionProfileInput) Validate() error {
 	if s.Id == nil {
 		invalidParams.Add(request.NewErrParamRequired("Id"))
 	}
+	if s.Id != nil && len(*s.Id) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Id", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -10106,9 +10151,15 @@ func (s *GetInvalidationInput) Validate() error {
 	if s.DistributionId == nil {
 		invalidParams.Add(request.NewErrParamRequired("DistributionId"))
 	}
+	if s.DistributionId != nil && len(*s.DistributionId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("DistributionId", 1))
+	}
 	if s.Id == nil {
 		invalidParams.Add(request.NewErrParamRequired("Id"))
 	}
+	if s.Id != nil && len(*s.Id) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Id", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -10178,6 +10229,9 @@ func (s *GetPublicKeyConfigInput) Validate() error {
 	if s.Id == nil {
 		invalidParams.Add(request.NewErrParamRequired("Id"))
 	}
+	if s.Id != nil && len(*s.Id) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Id", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -10248,6 +10302,9 @@ func (s *GetPublicKeyInput) Validate() error {
 	if s.Id == nil {
 		invalidParams.Add(request.NewErrParamRequired("Id"))
 	}
+	if s.Id != nil && len(*s.Id) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Id", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -10319,6 +10376,9 @@ func (s *GetStreamingDistributionConfigInput) Validate() error {
 	if s.Id == nil {
 		invalidParams.Add(request.NewErrParamRequired("Id"))
 	}
+	if s.Id != nil && len(*s.Id) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Id", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -10391,6 +10451,9 @@ func (s *GetStreamingDistributionInput) Validate() error {
 	if s.Id == nil {
 		invalidParams.Add(request.NewErrParamRequired("Id"))
 	}
+	if s.Id != nil && len(*s.Id) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Id", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -11092,6 +11155,9 @@ func (s *ListDistributionsByWebACLIdInput) Validate() error {
 	if s.WebACLId == nil {
 		invalidParams.Add(request.NewErrParamRequired("WebACLId"))
 	}
+	if s.WebACLId != nil && len(*s.WebACLId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("WebACLId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -11364,6 +11430,9 @@ func (s *ListInvalidationsInput) Validate() error {
 	if s.DistributionId == nil {
 		invalidParams.Add(request.NewErrParamRequired("DistributionId"))
 	}
+	if s.DistributionId != nil && len(*s.DistributionId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("DistributionId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -14410,6 +14479,9 @@ func (s *UpdateCloudFrontOriginAccessIdentityInput) Validate() error {
 	if s.Id == nil {
 		invalidParams.Add(request.NewErrParamRequired("Id"))
 	}
+	if s.Id != nil && len(*s.Id) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Id", 1))
+	}
 	if s.CloudFrontOriginAccessIdentityConfig != nil {
 		if err := s.CloudFrontOriginAccessIdentityConfig.Validate(); err != nil {
 			invalidParams.AddNested("CloudFrontOriginAccessIdentityConfig", err.(request.ErrInvalidParams))
@@ -14511,6 +14583,9 @@ func (s *UpdateDistributionInput) Validate() error {
 	if s.Id == nil {
 		invalidParams.Add(request.NewErrParamRequired("Id"))
 	}
+	if s.Id != nil && len(*s.Id) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Id", 1))
+	}
 	if s.DistributionConfig != nil {
 		if err := s.DistributionConfig.Validate(); err != nil {
 			invalidParams.AddNested("DistributionConfig", err.(request.ErrInvalidParams))
@@ -14611,6 +14686,9 @@ func (s *UpdateFieldLevelEncryptionConfigInput) Validate() error {
 	if s.Id == nil {
 		invalidParams.Add(request.NewErrParamRequired("Id"))
 	}
+	if s.Id != nil && len(*s.Id) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Id", 1))
+	}
 	if s.FieldLevelEncryptionConfig != nil {
 		if err := s.FieldLevelEncryptionConfig.Validate(); err != nil {
 			invalidParams.AddNested("FieldLevelEncryptionConfig", err.(request.ErrInvalidParams))
@@ -14711,6 +14789,9 @@ func (s *UpdateFieldLevelEncryptionProfileInput) Validate() error {
 	if s.Id == nil {
 		invalidParams.Add(request.NewErrParamRequired("Id"))
 	}
+	if s.Id != nil && len(*s.Id) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Id", 1))
+	}
 	if s.FieldLevelEncryptionProfileConfig != nil {
 		if err := s.FieldLevelEncryptionProfileConfig.Validate(); err != nil {
 			invalidParams.AddNested("FieldLevelEncryptionProfileConfig", err.(request.ErrInvalidParams))
@@ -14807,6 +14888,9 @@ func (s *UpdatePublicKeyInput) Validate() error {
 	if s.Id == nil {
 		invalidParams.Add(request.NewErrParamRequired("Id"))
 	}
+	if s.Id != nil && len(*s.Id) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Id", 1))
+	}
 	if s.PublicKeyConfig == nil {
 		invalidParams.Add(request.NewErrParamRequired("PublicKeyConfig"))
 	}
@@ -14907,6 +14991,9 @@ func (s *UpdateStreamingDistributionInput) Validate() error {
 	if s.Id == nil {
 		invalidParams.Add(request.NewErrParamRequired("Id"))
 	}
+	if s.Id != nil && len(*s.Id) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Id", 1))
+	}
 	if s.StreamingDistributionConfig == nil {
 		invalidParams.Add(request.NewErrParamRequired("StreamingDistributionConfig"))
 	}
diff --git a/service/connect/api.go b/service/connect/api.go
index b21e191379b..0b380c5d354 100644
--- a/service/connect/api.go
+++ b/service/connect/api.go
@@ -2404,6 +2404,9 @@ func (s *DeleteUserInput) Validate() error {
 	if s.UserId == nil {
 		invalidParams.Add(request.NewErrParamRequired("UserId"))
 	}
+	if s.UserId != nil && len(*s.UserId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("UserId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -2471,6 +2474,9 @@ func (s *DescribeUserHierarchyGroupInput) Validate() error {
 	if s.HierarchyGroupId == nil {
 		invalidParams.Add(request.NewErrParamRequired("HierarchyGroupId"))
 	}
+	if s.HierarchyGroupId != nil && len(*s.HierarchyGroupId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("HierarchyGroupId", 1))
+	}
 	if s.InstanceId == nil {
 		invalidParams.Add(request.NewErrParamRequired("InstanceId"))
 	}
@@ -2627,6 +2633,9 @@ func (s *DescribeUserInput) Validate() error {
 	if s.UserId == nil {
 		invalidParams.Add(request.NewErrParamRequired("UserId"))
 	}
+	if s.UserId != nil && len(*s.UserId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("UserId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -4682,6 +4691,9 @@ func (s *UpdateUserHierarchyInput) Validate() error {
 	if s.UserId == nil {
 		invalidParams.Add(request.NewErrParamRequired("UserId"))
 	}
+	if s.UserId != nil && len(*s.UserId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("UserId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -4769,6 +4781,9 @@ func (s *UpdateUserIdentityInfoInput) Validate() error {
 	if s.UserId == nil {
 		invalidParams.Add(request.NewErrParamRequired("UserId"))
 	}
+	if s.UserId != nil && len(*s.UserId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("UserId", 1))
+	}
 	if s.IdentityInfo != nil {
 		if err := s.IdentityInfo.Validate(); err != nil {
 			invalidParams.AddNested("IdentityInfo", err.(request.ErrInvalidParams))
@@ -4862,6 +4877,9 @@ func (s *UpdateUserPhoneConfigInput) Validate() error {
 	if s.UserId == nil {
 		invalidParams.Add(request.NewErrParamRequired("UserId"))
 	}
+	if s.UserId != nil && len(*s.UserId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("UserId", 1))
+	}
 	if s.PhoneConfig != nil {
 		if err := s.PhoneConfig.Validate(); err != nil {
 			invalidParams.AddNested("PhoneConfig", err.(request.ErrInvalidParams))
@@ -4954,6 +4972,9 @@ func (s *UpdateUserRoutingProfileInput) Validate() error {
 	if s.UserId == nil {
 		invalidParams.Add(request.NewErrParamRequired("UserId"))
 	}
+	if s.UserId != nil && len(*s.UserId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("UserId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -5044,6 +5065,9 @@ func (s *UpdateUserSecurityProfilesInput) Validate() error {
 	if s.UserId == nil {
 		invalidParams.Add(request.NewErrParamRequired("UserId"))
 	}
+	if s.UserId != nil && len(*s.UserId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("UserId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
diff --git a/service/dlm/api.go b/service/dlm/api.go
index 8a135ba6567..166c08e163f 100644
--- a/service/dlm/api.go
+++ b/service/dlm/api.go
@@ -650,6 +650,9 @@ func (s *DeleteLifecyclePolicyInput) Validate() error {
 	if s.PolicyId == nil {
 		invalidParams.Add(request.NewErrParamRequired("PolicyId"))
 	}
+	if s.PolicyId != nil && len(*s.PolicyId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("PolicyId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -807,6 +810,9 @@ func (s *GetLifecyclePolicyInput) Validate() error {
 	if s.PolicyId == nil {
 		invalidParams.Add(request.NewErrParamRequired("PolicyId"))
 	}
+	if s.PolicyId != nil && len(*s.PolicyId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("PolicyId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -1270,6 +1276,9 @@ func (s *UpdateLifecyclePolicyInput) Validate() error {
 	if s.PolicyId == nil {
 		invalidParams.Add(request.NewErrParamRequired("PolicyId"))
 	}
+	if s.PolicyId != nil && len(*s.PolicyId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("PolicyId", 1))
+	}
 	if s.PolicyDetails != nil {
 		if err := s.PolicyDetails.Validate(); err != nil {
 			invalidParams.AddNested("PolicyDetails", err.(request.ErrInvalidParams))
diff --git a/service/efs/api.go b/service/efs/api.go
index f24886fa39b..7218814a068 100644
--- a/service/efs/api.go
+++ b/service/efs/api.go
@@ -1637,6 +1637,9 @@ func (s *CreateTagsInput) Validate() error {
 	if s.FileSystemId == nil {
 		invalidParams.Add(request.NewErrParamRequired("FileSystemId"))
 	}
+	if s.FileSystemId != nil && len(*s.FileSystemId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("FileSystemId", 1))
+	}
 	if s.Tags == nil {
 		invalidParams.Add(request.NewErrParamRequired("Tags"))
 	}
@@ -1708,6 +1711,9 @@ func (s *DeleteFileSystemInput) Validate() error {
 	if s.FileSystemId == nil {
 		invalidParams.Add(request.NewErrParamRequired("FileSystemId"))
 	}
+	if s.FileSystemId != nil && len(*s.FileSystemId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("FileSystemId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -1760,6 +1766,9 @@ func (s *DeleteMountTargetInput) Validate() error {
 	if s.MountTargetId == nil {
 		invalidParams.Add(request.NewErrParamRequired("MountTargetId"))
 	}
+	if s.MountTargetId != nil && len(*s.MountTargetId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("MountTargetId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -1817,6 +1826,9 @@ func (s *DeleteTagsInput) Validate() error {
 	if s.FileSystemId == nil {
 		invalidParams.Add(request.NewErrParamRequired("FileSystemId"))
 	}
+	if s.FileSystemId != nil && len(*s.FileSystemId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("FileSystemId", 1))
+	}
 	if s.TagKeys == nil {
 		invalidParams.Add(request.NewErrParamRequired("TagKeys"))
 	}
@@ -1994,6 +2006,9 @@ func (s *DescribeMountTargetSecurityGroupsInput) Validate() error {
 	if s.MountTargetId == nil {
 		invalidParams.Add(request.NewErrParamRequired("MountTargetId"))
 	}
+	if s.MountTargetId != nil && len(*s.MountTargetId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("MountTargetId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -2179,6 +2194,9 @@ func (s *DescribeTagsInput) Validate() error {
 	if s.FileSystemId == nil {
 		invalidParams.Add(request.NewErrParamRequired("FileSystemId"))
 	}
+	if s.FileSystemId != nil && len(*s.FileSystemId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("FileSystemId", 1))
+	}
 	if s.MaxItems != nil && *s.MaxItems < 1 {
 		invalidParams.Add(request.NewErrParamMinValue("MaxItems", 1))
 	}
@@ -2493,6 +2511,9 @@ func (s *ModifyMountTargetSecurityGroupsInput) Validate() error {
 	if s.MountTargetId == nil {
 		invalidParams.Add(request.NewErrParamRequired("MountTargetId"))
 	}
+	if s.MountTargetId != nil && len(*s.MountTargetId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("MountTargetId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -2705,6 +2726,9 @@ func (s *UpdateFileSystemInput) Validate() error {
 	if s.FileSystemId == nil {
 		invalidParams.Add(request.NewErrParamRequired("FileSystemId"))
 	}
+	if s.FileSystemId != nil && len(*s.FileSystemId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("FileSystemId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
diff --git a/service/eks/api.go b/service/eks/api.go
index a4fd7cd4935..c67d92cc5d0 100644
--- a/service/eks/api.go
+++ b/service/eks/api.go
@@ -725,6 +725,9 @@ func (s *DeleteClusterInput) Validate() error {
 	if s.Name == nil {
 		invalidParams.Add(request.NewErrParamRequired("Name"))
 	}
+	if s.Name != nil && len(*s.Name) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Name", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -786,6 +789,9 @@ func (s *DescribeClusterInput) Validate() error {
 	if s.Name == nil {
 		invalidParams.Add(request.NewErrParamRequired("Name"))
 	}
+	if s.Name != nil && len(*s.Name) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Name", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
diff --git a/service/elasticache/examples_test.go b/service/elasticache/examples_test.go
index 2579113d104..af0738bd720 100644
--- a/service/elasticache/examples_test.go
+++ b/service/elasticache/examples_test.go
@@ -220,14 +220,14 @@ func ExampleElastiCache_CreateCacheCluster_shared00() {
 func ExampleElastiCache_CreateCacheCluster_shared01() {
 	svc := elasticache.New(session.New())
 	input := &elasticache.CreateCacheClusterInput{
-		AutoMinorVersionUpgrade: aws.Bool(true),
-		CacheClusterId:          aws.String("my-redis"),
-		CacheNodeType:           aws.String("cache.r3.larage"),
-		CacheSubnetGroupName:    aws.String("default"),
-		Engine:                  aws.String("redis"),
-		EngineVersion:           aws.String("3.2.4"),
-		NumCacheNodes:           aws.Int64(1),
-		Port:                    aws.Int64(6379),
+		AutoMinorVersionUpgrade:   aws.Bool(true),
+		CacheClusterId:            aws.String("my-redis"),
+		CacheNodeType:             aws.String("cache.r3.larage"),
+		CacheSubnetGroupName:      aws.String("default"),
+		Engine:                    aws.String("redis"),
+		EngineVersion:             aws.String("3.2.4"),
+		NumCacheNodes:             aws.Int64(1),
+		Port:                      aws.Int64(6379),
 		PreferredAvailabilityZone: aws.String("us-east-1c"),
 		SnapshotRetentionLimit:    aws.Int64(7),
 	}
diff --git a/service/elasticsearchservice/api.go b/service/elasticsearchservice/api.go
index c4915fbd8be..f3a086837b4 100644
--- a/service/elasticsearchservice/api.go
+++ b/service/elasticsearchservice/api.go
@@ -3363,9 +3363,15 @@ func (s *DescribeElasticsearchInstanceTypeLimitsInput) Validate() error {
 	if s.ElasticsearchVersion == nil {
 		invalidParams.Add(request.NewErrParamRequired("ElasticsearchVersion"))
 	}
+	if s.ElasticsearchVersion != nil && len(*s.ElasticsearchVersion) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ElasticsearchVersion", 1))
+	}
 	if s.InstanceType == nil {
 		invalidParams.Add(request.NewErrParamRequired("InstanceType"))
 	}
+	if s.InstanceType != nil && len(*s.InstanceType) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("InstanceType", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -4719,6 +4725,9 @@ func (s *ListElasticsearchInstanceTypesInput) Validate() error {
 	if s.ElasticsearchVersion == nil {
 		invalidParams.Add(request.NewErrParamRequired("ElasticsearchVersion"))
 	}
+	if s.ElasticsearchVersion != nil && len(*s.ElasticsearchVersion) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ElasticsearchVersion", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
diff --git a/service/elastictranscoder/api.go b/service/elastictranscoder/api.go
index 05c07b9f6df..f9b4222baba 100644
--- a/service/elastictranscoder/api.go
+++ b/service/elastictranscoder/api.go
@@ -2324,6 +2324,9 @@ func (s *CancelJobInput) Validate() error {
 	if s.Id == nil {
 		invalidParams.Add(request.NewErrParamRequired("Id"))
 	}
+	if s.Id != nil && len(*s.Id) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Id", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -3728,6 +3731,9 @@ func (s *DeletePipelineInput) Validate() error {
 	if s.Id == nil {
 		invalidParams.Add(request.NewErrParamRequired("Id"))
 	}
+	if s.Id != nil && len(*s.Id) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Id", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -3782,6 +3788,9 @@ func (s *DeletePresetInput) Validate() error {
 	if s.Id == nil {
 		invalidParams.Add(request.NewErrParamRequired("Id"))
 	}
+	if s.Id != nil && len(*s.Id) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Id", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -5038,6 +5047,9 @@ func (s *ListJobsByPipelineInput) Validate() error {
 	if s.PipelineId == nil {
 		invalidParams.Add(request.NewErrParamRequired("PipelineId"))
 	}
+	if s.PipelineId != nil && len(*s.PipelineId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("PipelineId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -5134,6 +5146,9 @@ func (s *ListJobsByStatusInput) Validate() error {
 	if s.Status == nil {
 		invalidParams.Add(request.NewErrParamRequired("Status"))
 	}
+	if s.Status != nil && len(*s.Status) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Status", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -6427,6 +6442,9 @@ func (s *ReadJobInput) Validate() error {
 	if s.Id == nil {
 		invalidParams.Add(request.NewErrParamRequired("Id"))
 	}
+	if s.Id != nil && len(*s.Id) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Id", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -6490,6 +6508,9 @@ func (s *ReadPipelineInput) Validate() error {
 	if s.Id == nil {
 		invalidParams.Add(request.NewErrParamRequired("Id"))
 	}
+	if s.Id != nil && len(*s.Id) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Id", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -6567,6 +6588,9 @@ func (s *ReadPresetInput) Validate() error {
 	if s.Id == nil {
 		invalidParams.Add(request.NewErrParamRequired("Id"))
 	}
+	if s.Id != nil && len(*s.Id) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Id", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -7156,6 +7180,9 @@ func (s *UpdatePipelineInput) Validate() error {
 	if s.Id == nil {
 		invalidParams.Add(request.NewErrParamRequired("Id"))
 	}
+	if s.Id != nil && len(*s.Id) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Id", 1))
+	}
 	if s.Name != nil && len(*s.Name) < 1 {
 		invalidParams.Add(request.NewErrParamMinLen("Name", 1))
 	}
@@ -7277,6 +7304,9 @@ func (s *UpdatePipelineNotificationsInput) Validate() error {
 	if s.Id == nil {
 		invalidParams.Add(request.NewErrParamRequired("Id"))
 	}
+	if s.Id != nil && len(*s.Id) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Id", 1))
+	}
 	if s.Notifications == nil {
 		invalidParams.Add(request.NewErrParamRequired("Notifications"))
 	}
@@ -7398,6 +7428,9 @@ func (s *UpdatePipelineStatusInput) Validate() error {
 	if s.Id == nil {
 		invalidParams.Add(request.NewErrParamRequired("Id"))
 	}
+	if s.Id != nil && len(*s.Id) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Id", 1))
+	}
 	if s.Status == nil {
 		invalidParams.Add(request.NewErrParamRequired("Status"))
 	}
diff --git a/service/glacier/api.go b/service/glacier/api.go
index 09929920d12..c46945e1af9 100644
--- a/service/glacier/api.go
+++ b/service/glacier/api.go
@@ -3766,12 +3766,21 @@ func (s *AbortMultipartUploadInput) Validate() error {
 	if s.AccountId == nil {
 		invalidParams.Add(request.NewErrParamRequired("AccountId"))
 	}
+	if s.AccountId != nil && len(*s.AccountId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("AccountId", 1))
+	}
 	if s.UploadId == nil {
 		invalidParams.Add(request.NewErrParamRequired("UploadId"))
 	}
+	if s.UploadId != nil && len(*s.UploadId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("UploadId", 1))
+	}
 	if s.VaultName == nil {
 		invalidParams.Add(request.NewErrParamRequired("VaultName"))
 	}
+	if s.VaultName != nil && len(*s.VaultName) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("VaultName", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -3847,9 +3856,15 @@ func (s *AbortVaultLockInput) Validate() error {
 	if s.AccountId == nil {
 		invalidParams.Add(request.NewErrParamRequired("AccountId"))
 	}
+	if s.AccountId != nil && len(*s.AccountId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("AccountId", 1))
+	}
 	if s.VaultName == nil {
 		invalidParams.Add(request.NewErrParamRequired("VaultName"))
 	}
+	if s.VaultName != nil && len(*s.VaultName) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("VaultName", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -3922,9 +3937,15 @@ func (s *AddTagsToVaultInput) Validate() error {
 	if s.AccountId == nil {
 		invalidParams.Add(request.NewErrParamRequired("AccountId"))
 	}
+	if s.AccountId != nil && len(*s.AccountId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("AccountId", 1))
+	}
 	if s.VaultName == nil {
 		invalidParams.Add(request.NewErrParamRequired("VaultName"))
 	}
+	if s.VaultName != nil && len(*s.VaultName) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("VaultName", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -4200,12 +4221,21 @@ func (s *CompleteMultipartUploadInput) Validate() error {
 	if s.AccountId == nil {
 		invalidParams.Add(request.NewErrParamRequired("AccountId"))
 	}
+	if s.AccountId != nil && len(*s.AccountId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("AccountId", 1))
+	}
 	if s.UploadId == nil {
 		invalidParams.Add(request.NewErrParamRequired("UploadId"))
 	}
+	if s.UploadId != nil && len(*s.UploadId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("UploadId", 1))
+	}
 	if s.VaultName == nil {
 		invalidParams.Add(request.NewErrParamRequired("VaultName"))
 	}
+	if s.VaultName != nil && len(*s.VaultName) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("VaultName", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -4284,12 +4314,21 @@ func (s *CompleteVaultLockInput) Validate() error {
 	if s.AccountId == nil {
 		invalidParams.Add(request.NewErrParamRequired("AccountId"))
 	}
+	if s.AccountId != nil && len(*s.AccountId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("AccountId", 1))
+	}
 	if s.LockId == nil {
 		invalidParams.Add(request.NewErrParamRequired("LockId"))
 	}
+	if s.LockId != nil && len(*s.LockId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("LockId", 1))
+	}
 	if s.VaultName == nil {
 		invalidParams.Add(request.NewErrParamRequired("VaultName"))
 	}
+	if s.VaultName != nil && len(*s.VaultName) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("VaultName", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -4365,9 +4404,15 @@ func (s *CreateVaultInput) Validate() error {
 	if s.AccountId == nil {
 		invalidParams.Add(request.NewErrParamRequired("AccountId"))
 	}
+	if s.AccountId != nil && len(*s.AccountId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("AccountId", 1))
+	}
 	if s.VaultName == nil {
 		invalidParams.Add(request.NewErrParamRequired("VaultName"))
 	}
+	if s.VaultName != nil && len(*s.VaultName) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("VaultName", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -4515,12 +4560,21 @@ func (s *DeleteArchiveInput) Validate() error {
 	if s.AccountId == nil {
 		invalidParams.Add(request.NewErrParamRequired("AccountId"))
 	}
+	if s.AccountId != nil && len(*s.AccountId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("AccountId", 1))
+	}
 	if s.ArchiveId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ArchiveId"))
 	}
+	if s.ArchiveId != nil && len(*s.ArchiveId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ArchiveId", 1))
+	}
 	if s.VaultName == nil {
 		invalidParams.Add(request.NewErrParamRequired("VaultName"))
 	}
+	if s.VaultName != nil && len(*s.VaultName) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("VaultName", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -4595,9 +4649,15 @@ func (s *DeleteVaultAccessPolicyInput) Validate() error {
 	if s.AccountId == nil {
 		invalidParams.Add(request.NewErrParamRequired("AccountId"))
 	}
+	if s.AccountId != nil && len(*s.AccountId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("AccountId", 1))
+	}
 	if s.VaultName == nil {
 		invalidParams.Add(request.NewErrParamRequired("VaultName"))
 	}
+	if s.VaultName != nil && len(*s.VaultName) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("VaultName", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -4666,9 +4726,15 @@ func (s *DeleteVaultInput) Validate() error {
 	if s.AccountId == nil {
 		invalidParams.Add(request.NewErrParamRequired("AccountId"))
 	}
+	if s.AccountId != nil && len(*s.AccountId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("AccountId", 1))
+	}
 	if s.VaultName == nil {
 		invalidParams.Add(request.NewErrParamRequired("VaultName"))
 	}
+	if s.VaultName != nil && len(*s.VaultName) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("VaultName", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -4724,9 +4790,15 @@ func (s *DeleteVaultNotificationsInput) Validate() error {
 	if s.AccountId == nil {
 		invalidParams.Add(request.NewErrParamRequired("AccountId"))
 	}
+	if s.AccountId != nil && len(*s.AccountId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("AccountId", 1))
+	}
 	if s.VaultName == nil {
 		invalidParams.Add(request.NewErrParamRequired("VaultName"))
 	}
+	if s.VaultName != nil && len(*s.VaultName) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("VaultName", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -4814,12 +4886,21 @@ func (s *DescribeJobInput) Validate() error {
 	if s.AccountId == nil {
 		invalidParams.Add(request.NewErrParamRequired("AccountId"))
 	}
+	if s.AccountId != nil && len(*s.AccountId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("AccountId", 1))
+	}
 	if s.JobId == nil {
 		invalidParams.Add(request.NewErrParamRequired("JobId"))
 	}
+	if s.JobId != nil && len(*s.JobId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("JobId", 1))
+	}
 	if s.VaultName == nil {
 		invalidParams.Add(request.NewErrParamRequired("VaultName"))
 	}
+	if s.VaultName != nil && len(*s.VaultName) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("VaultName", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -4880,9 +4961,15 @@ func (s *DescribeVaultInput) Validate() error {
 	if s.AccountId == nil {
 		invalidParams.Add(request.NewErrParamRequired("AccountId"))
 	}
+	if s.AccountId != nil && len(*s.AccountId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("AccountId", 1))
+	}
 	if s.VaultName == nil {
 		invalidParams.Add(request.NewErrParamRequired("VaultName"))
 	}
+	if s.VaultName != nil && len(*s.VaultName) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("VaultName", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -5056,6 +5143,9 @@ func (s *GetDataRetrievalPolicyInput) Validate() error {
 	if s.AccountId == nil {
 		invalidParams.Add(request.NewErrParamRequired("AccountId"))
 	}
+	if s.AccountId != nil && len(*s.AccountId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("AccountId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -5164,12 +5254,21 @@ func (s *GetJobOutputInput) Validate() error {
 	if s.AccountId == nil {
 		invalidParams.Add(request.NewErrParamRequired("AccountId"))
 	}
+	if s.AccountId != nil && len(*s.AccountId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("AccountId", 1))
+	}
 	if s.JobId == nil {
 		invalidParams.Add(request.NewErrParamRequired("JobId"))
 	}
+	if s.JobId != nil && len(*s.JobId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("JobId", 1))
+	}
 	if s.VaultName == nil {
 		invalidParams.Add(request.NewErrParamRequired("VaultName"))
 	}
+	if s.VaultName != nil && len(*s.VaultName) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("VaultName", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -5336,9 +5435,15 @@ func (s *GetVaultAccessPolicyInput) Validate() error {
 	if s.AccountId == nil {
 		invalidParams.Add(request.NewErrParamRequired("AccountId"))
 	}
+	if s.AccountId != nil && len(*s.AccountId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("AccountId", 1))
+	}
 	if s.VaultName == nil {
 		invalidParams.Add(request.NewErrParamRequired("VaultName"))
 	}
+	if s.VaultName != nil && len(*s.VaultName) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("VaultName", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -5417,9 +5522,15 @@ func (s *GetVaultLockInput) Validate() error {
 	if s.AccountId == nil {
 		invalidParams.Add(request.NewErrParamRequired("AccountId"))
 	}
+	if s.AccountId != nil && len(*s.AccountId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("AccountId", 1))
+	}
 	if s.VaultName == nil {
 		invalidParams.Add(request.NewErrParamRequired("VaultName"))
 	}
+	if s.VaultName != nil && len(*s.VaultName) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("VaultName", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -5528,9 +5639,15 @@ func (s *GetVaultNotificationsInput) Validate() error {
 	if s.AccountId == nil {
 		invalidParams.Add(request.NewErrParamRequired("AccountId"))
 	}
+	if s.AccountId != nil && len(*s.AccountId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("AccountId", 1))
+	}
 	if s.VaultName == nil {
 		invalidParams.Add(request.NewErrParamRequired("VaultName"))
 	}
+	if s.VaultName != nil && len(*s.VaultName) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("VaultName", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -5735,9 +5852,15 @@ func (s *InitiateJobInput) Validate() error {
 	if s.AccountId == nil {
 		invalidParams.Add(request.NewErrParamRequired("AccountId"))
 	}
+	if s.AccountId != nil && len(*s.AccountId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("AccountId", 1))
+	}
 	if s.VaultName == nil {
 		invalidParams.Add(request.NewErrParamRequired("VaultName"))
 	}
+	if s.VaultName != nil && len(*s.VaultName) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("VaultName", 1))
+	}
 	if s.JobParameters != nil {
 		if err := s.JobParameters.Validate(); err != nil {
 			invalidParams.AddNested("JobParameters", err.(request.ErrInvalidParams))
@@ -5857,9 +5980,15 @@ func (s *InitiateMultipartUploadInput) Validate() error {
 	if s.AccountId == nil {
 		invalidParams.Add(request.NewErrParamRequired("AccountId"))
 	}
+	if s.AccountId != nil && len(*s.AccountId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("AccountId", 1))
+	}
 	if s.VaultName == nil {
 		invalidParams.Add(request.NewErrParamRequired("VaultName"))
 	}
+	if s.VaultName != nil && len(*s.VaultName) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("VaultName", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -5964,9 +6093,15 @@ func (s *InitiateVaultLockInput) Validate() error {
 	if s.AccountId == nil {
 		invalidParams.Add(request.NewErrParamRequired("AccountId"))
 	}
+	if s.AccountId != nil && len(*s.AccountId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("AccountId", 1))
+	}
 	if s.VaultName == nil {
 		invalidParams.Add(request.NewErrParamRequired("VaultName"))
 	}
+	if s.VaultName != nil && len(*s.VaultName) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("VaultName", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -6606,9 +6741,15 @@ func (s *ListJobsInput) Validate() error {
 	if s.AccountId == nil {
 		invalidParams.Add(request.NewErrParamRequired("AccountId"))
 	}
+	if s.AccountId != nil && len(*s.AccountId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("AccountId", 1))
+	}
 	if s.VaultName == nil {
 		invalidParams.Add(request.NewErrParamRequired("VaultName"))
 	}
+	if s.VaultName != nil && len(*s.VaultName) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("VaultName", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -6735,9 +6876,15 @@ func (s *ListMultipartUploadsInput) Validate() error {
 	if s.AccountId == nil {
 		invalidParams.Add(request.NewErrParamRequired("AccountId"))
 	}
+	if s.AccountId != nil && len(*s.AccountId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("AccountId", 1))
+	}
 	if s.VaultName == nil {
 		invalidParams.Add(request.NewErrParamRequired("VaultName"))
 	}
+	if s.VaultName != nil && len(*s.VaultName) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("VaultName", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -6857,12 +7004,21 @@ func (s *ListPartsInput) Validate() error {
 	if s.AccountId == nil {
 		invalidParams.Add(request.NewErrParamRequired("AccountId"))
 	}
+	if s.AccountId != nil && len(*s.AccountId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("AccountId", 1))
+	}
 	if s.UploadId == nil {
 		invalidParams.Add(request.NewErrParamRequired("UploadId"))
 	}
+	if s.UploadId != nil && len(*s.UploadId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("UploadId", 1))
+	}
 	if s.VaultName == nil {
 		invalidParams.Add(request.NewErrParamRequired("VaultName"))
 	}
+	if s.VaultName != nil && len(*s.VaultName) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("VaultName", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -7013,6 +7169,9 @@ func (s *ListProvisionedCapacityInput) Validate() error {
 	if s.AccountId == nil {
 		invalidParams.Add(request.NewErrParamRequired("AccountId"))
 	}
+	if s.AccountId != nil && len(*s.AccountId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("AccountId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -7084,9 +7243,15 @@ func (s *ListTagsForVaultInput) Validate() error {
 	if s.AccountId == nil {
 		invalidParams.Add(request.NewErrParamRequired("AccountId"))
 	}
+	if s.AccountId != nil && len(*s.AccountId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("AccountId", 1))
+	}
 	if s.VaultName == nil {
 		invalidParams.Add(request.NewErrParamRequired("VaultName"))
 	}
+	if s.VaultName != nil && len(*s.VaultName) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("VaultName", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -7171,6 +7336,9 @@ func (s *ListVaultsInput) Validate() error {
 	if s.AccountId == nil {
 		invalidParams.Add(request.NewErrParamRequired("AccountId"))
 	}
+	if s.AccountId != nil && len(*s.AccountId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("AccountId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -7401,6 +7569,9 @@ func (s *PurchaseProvisionedCapacityInput) Validate() error {
 	if s.AccountId == nil {
 		invalidParams.Add(request.NewErrParamRequired("AccountId"))
 	}
+	if s.AccountId != nil && len(*s.AccountId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("AccountId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -7475,9 +7646,15 @@ func (s *RemoveTagsFromVaultInput) Validate() error {
 	if s.AccountId == nil {
 		invalidParams.Add(request.NewErrParamRequired("AccountId"))
 	}
+	if s.AccountId != nil && len(*s.AccountId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("AccountId", 1))
+	}
 	if s.VaultName == nil {
 		invalidParams.Add(request.NewErrParamRequired("VaultName"))
 	}
+	if s.VaultName != nil && len(*s.VaultName) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("VaultName", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -7711,6 +7888,9 @@ func (s *SetDataRetrievalPolicyInput) Validate() error {
 	if s.AccountId == nil {
 		invalidParams.Add(request.NewErrParamRequired("AccountId"))
 	}
+	if s.AccountId != nil && len(*s.AccountId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("AccountId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -7782,9 +7962,15 @@ func (s *SetVaultAccessPolicyInput) Validate() error {
 	if s.AccountId == nil {
 		invalidParams.Add(request.NewErrParamRequired("AccountId"))
 	}
+	if s.AccountId != nil && len(*s.AccountId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("AccountId", 1))
+	}
 	if s.VaultName == nil {
 		invalidParams.Add(request.NewErrParamRequired("VaultName"))
 	}
+	if s.VaultName != nil && len(*s.VaultName) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("VaultName", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -7863,9 +8049,15 @@ func (s *SetVaultNotificationsInput) Validate() error {
 	if s.AccountId == nil {
 		invalidParams.Add(request.NewErrParamRequired("AccountId"))
 	}
+	if s.AccountId != nil && len(*s.AccountId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("AccountId", 1))
+	}
 	if s.VaultName == nil {
 		invalidParams.Add(request.NewErrParamRequired("VaultName"))
 	}
+	if s.VaultName != nil && len(*s.VaultName) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("VaultName", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -7949,9 +8141,15 @@ func (s *UploadArchiveInput) Validate() error {
 	if s.AccountId == nil {
 		invalidParams.Add(request.NewErrParamRequired("AccountId"))
 	}
+	if s.AccountId != nil && len(*s.AccountId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("AccountId", 1))
+	}
 	if s.VaultName == nil {
 		invalidParams.Add(request.NewErrParamRequired("VaultName"))
 	}
+	if s.VaultName != nil && len(*s.VaultName) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("VaultName", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -8104,12 +8302,21 @@ func (s *UploadMultipartPartInput) Validate() error {
 	if s.AccountId == nil {
 		invalidParams.Add(request.NewErrParamRequired("AccountId"))
 	}
+	if s.AccountId != nil && len(*s.AccountId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("AccountId", 1))
+	}
 	if s.UploadId == nil {
 		invalidParams.Add(request.NewErrParamRequired("UploadId"))
 	}
+	if s.UploadId != nil && len(*s.UploadId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("UploadId", 1))
+	}
 	if s.VaultName == nil {
 		invalidParams.Add(request.NewErrParamRequired("VaultName"))
 	}
+	if s.VaultName != nil && len(*s.VaultName) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("VaultName", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
diff --git a/service/greengrass/api.go b/service/greengrass/api.go
index 84249ae40b8..b8a34efdba7 100644
--- a/service/greengrass/api.go
+++ b/service/greengrass/api.go
@@ -6951,6 +6951,9 @@ func (s *AssociateRoleToGroupInput) Validate() error {
 	if s.GroupId == nil {
 		invalidParams.Add(request.NewErrParamRequired("GroupId"))
 	}
+	if s.GroupId != nil && len(*s.GroupId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("GroupId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -7556,6 +7559,9 @@ func (s *CreateConnectorDefinitionVersionInput) Validate() error {
 	if s.ConnectorDefinitionId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ConnectorDefinitionId"))
 	}
+	if s.ConnectorDefinitionId != nil && len(*s.ConnectorDefinitionId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ConnectorDefinitionId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -7763,6 +7769,9 @@ func (s *CreateCoreDefinitionVersionInput) Validate() error {
 	if s.CoreDefinitionId == nil {
 		invalidParams.Add(request.NewErrParamRequired("CoreDefinitionId"))
 	}
+	if s.CoreDefinitionId != nil && len(*s.CoreDefinitionId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("CoreDefinitionId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -7870,6 +7879,9 @@ func (s *CreateDeploymentInput) Validate() error {
 	if s.GroupId == nil {
 		invalidParams.Add(request.NewErrParamRequired("GroupId"))
 	}
+	if s.GroupId != nil && len(*s.GroupId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("GroupId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -8075,6 +8087,9 @@ func (s *CreateDeviceDefinitionVersionInput) Validate() error {
 	if s.DeviceDefinitionId == nil {
 		invalidParams.Add(request.NewErrParamRequired("DeviceDefinitionId"))
 	}
+	if s.DeviceDefinitionId != nil && len(*s.DeviceDefinitionId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("DeviceDefinitionId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -8285,6 +8300,9 @@ func (s *CreateFunctionDefinitionVersionInput) Validate() error {
 	if s.FunctionDefinitionId == nil {
 		invalidParams.Add(request.NewErrParamRequired("FunctionDefinitionId"))
 	}
+	if s.FunctionDefinitionId != nil && len(*s.FunctionDefinitionId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("FunctionDefinitionId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -8387,6 +8405,9 @@ func (s *CreateGroupCertificateAuthorityInput) Validate() error {
 	if s.GroupId == nil {
 		invalidParams.Add(request.NewErrParamRequired("GroupId"))
 	}
+	if s.GroupId != nil && len(*s.GroupId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("GroupId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -8577,6 +8598,9 @@ func (s *CreateGroupVersionInput) Validate() error {
 	if s.GroupId == nil {
 		invalidParams.Add(request.NewErrParamRequired("GroupId"))
 	}
+	if s.GroupId != nil && len(*s.GroupId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("GroupId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -8820,6 +8844,9 @@ func (s *CreateLoggerDefinitionVersionInput) Validate() error {
 	if s.LoggerDefinitionId == nil {
 		invalidParams.Add(request.NewErrParamRequired("LoggerDefinitionId"))
 	}
+	if s.LoggerDefinitionId != nil && len(*s.LoggerDefinitionId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("LoggerDefinitionId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -9027,6 +9054,9 @@ func (s *CreateResourceDefinitionVersionInput) Validate() error {
 	if s.ResourceDefinitionId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ResourceDefinitionId"))
 	}
+	if s.ResourceDefinitionId != nil && len(*s.ResourceDefinitionId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ResourceDefinitionId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -9346,6 +9376,9 @@ func (s *CreateSubscriptionDefinitionVersionInput) Validate() error {
 	if s.SubscriptionDefinitionId == nil {
 		invalidParams.Add(request.NewErrParamRequired("SubscriptionDefinitionId"))
 	}
+	if s.SubscriptionDefinitionId != nil && len(*s.SubscriptionDefinitionId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("SubscriptionDefinitionId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -9518,6 +9551,9 @@ func (s *DeleteConnectorDefinitionInput) Validate() error {
 	if s.ConnectorDefinitionId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ConnectorDefinitionId"))
 	}
+	if s.ConnectorDefinitionId != nil && len(*s.ConnectorDefinitionId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ConnectorDefinitionId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -9568,6 +9604,9 @@ func (s *DeleteCoreDefinitionInput) Validate() error {
 	if s.CoreDefinitionId == nil {
 		invalidParams.Add(request.NewErrParamRequired("CoreDefinitionId"))
 	}
+	if s.CoreDefinitionId != nil && len(*s.CoreDefinitionId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("CoreDefinitionId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -9618,6 +9657,9 @@ func (s *DeleteDeviceDefinitionInput) Validate() error {
 	if s.DeviceDefinitionId == nil {
 		invalidParams.Add(request.NewErrParamRequired("DeviceDefinitionId"))
 	}
+	if s.DeviceDefinitionId != nil && len(*s.DeviceDefinitionId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("DeviceDefinitionId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -9668,6 +9710,9 @@ func (s *DeleteFunctionDefinitionInput) Validate() error {
 	if s.FunctionDefinitionId == nil {
 		invalidParams.Add(request.NewErrParamRequired("FunctionDefinitionId"))
 	}
+	if s.FunctionDefinitionId != nil && len(*s.FunctionDefinitionId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("FunctionDefinitionId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -9718,6 +9763,9 @@ func (s *DeleteGroupInput) Validate() error {
 	if s.GroupId == nil {
 		invalidParams.Add(request.NewErrParamRequired("GroupId"))
 	}
+	if s.GroupId != nil && len(*s.GroupId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("GroupId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -9768,6 +9816,9 @@ func (s *DeleteLoggerDefinitionInput) Validate() error {
 	if s.LoggerDefinitionId == nil {
 		invalidParams.Add(request.NewErrParamRequired("LoggerDefinitionId"))
 	}
+	if s.LoggerDefinitionId != nil && len(*s.LoggerDefinitionId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("LoggerDefinitionId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -9818,6 +9869,9 @@ func (s *DeleteResourceDefinitionInput) Validate() error {
 	if s.ResourceDefinitionId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ResourceDefinitionId"))
 	}
+	if s.ResourceDefinitionId != nil && len(*s.ResourceDefinitionId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ResourceDefinitionId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -9868,6 +9922,9 @@ func (s *DeleteSubscriptionDefinitionInput) Validate() error {
 	if s.SubscriptionDefinitionId == nil {
 		invalidParams.Add(request.NewErrParamRequired("SubscriptionDefinitionId"))
 	}
+	if s.SubscriptionDefinitionId != nil && len(*s.SubscriptionDefinitionId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("SubscriptionDefinitionId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -10056,6 +10113,9 @@ func (s *DisassociateRoleFromGroupInput) Validate() error {
 	if s.GroupId == nil {
 		invalidParams.Add(request.NewErrParamRequired("GroupId"))
 	}
+	if s.GroupId != nil && len(*s.GroupId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("GroupId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -10543,6 +10603,9 @@ func (s *GetAssociatedRoleInput) Validate() error {
 	if s.GroupId == nil {
 		invalidParams.Add(request.NewErrParamRequired("GroupId"))
 	}
+	if s.GroupId != nil && len(*s.GroupId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("GroupId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -10611,6 +10674,9 @@ func (s *GetBulkDeploymentStatusInput) Validate() error {
 	if s.BulkDeploymentId == nil {
 		invalidParams.Add(request.NewErrParamRequired("BulkDeploymentId"))
 	}
+	if s.BulkDeploymentId != nil && len(*s.BulkDeploymentId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("BulkDeploymentId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -10707,6 +10773,9 @@ func (s *GetConnectivityInfoInput) Validate() error {
 	if s.ThingName == nil {
 		invalidParams.Add(request.NewErrParamRequired("ThingName"))
 	}
+	if s.ThingName != nil && len(*s.ThingName) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ThingName", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -10776,6 +10845,9 @@ func (s *GetConnectorDefinitionInput) Validate() error {
 	if s.ConnectorDefinitionId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ConnectorDefinitionId"))
 	}
+	if s.ConnectorDefinitionId != nil && len(*s.ConnectorDefinitionId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ConnectorDefinitionId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -10887,9 +10959,15 @@ func (s *GetConnectorDefinitionVersionInput) Validate() error {
 	if s.ConnectorDefinitionId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ConnectorDefinitionId"))
 	}
+	if s.ConnectorDefinitionId != nil && len(*s.ConnectorDefinitionId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ConnectorDefinitionId", 1))
+	}
 	if s.ConnectorDefinitionVersionId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ConnectorDefinitionVersionId"))
 	}
+	if s.ConnectorDefinitionVersionId != nil && len(*s.ConnectorDefinitionVersionId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ConnectorDefinitionVersionId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -11009,6 +11087,9 @@ func (s *GetCoreDefinitionInput) Validate() error {
 	if s.CoreDefinitionId == nil {
 		invalidParams.Add(request.NewErrParamRequired("CoreDefinitionId"))
 	}
+	if s.CoreDefinitionId != nil && len(*s.CoreDefinitionId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("CoreDefinitionId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -11118,9 +11199,15 @@ func (s *GetCoreDefinitionVersionInput) Validate() error {
 	if s.CoreDefinitionId == nil {
 		invalidParams.Add(request.NewErrParamRequired("CoreDefinitionId"))
 	}
+	if s.CoreDefinitionId != nil && len(*s.CoreDefinitionId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("CoreDefinitionId", 1))
+	}
 	if s.CoreDefinitionVersionId == nil {
 		invalidParams.Add(request.NewErrParamRequired("CoreDefinitionVersionId"))
 	}
+	if s.CoreDefinitionVersionId != nil && len(*s.CoreDefinitionVersionId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("CoreDefinitionVersionId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -11236,9 +11323,15 @@ func (s *GetDeploymentStatusInput) Validate() error {
 	if s.DeploymentId == nil {
 		invalidParams.Add(request.NewErrParamRequired("DeploymentId"))
 	}
+	if s.DeploymentId != nil && len(*s.DeploymentId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("DeploymentId", 1))
+	}
 	if s.GroupId == nil {
 		invalidParams.Add(request.NewErrParamRequired("GroupId"))
 	}
+	if s.GroupId != nil && len(*s.GroupId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("GroupId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -11343,6 +11436,9 @@ func (s *GetDeviceDefinitionInput) Validate() error {
 	if s.DeviceDefinitionId == nil {
 		invalidParams.Add(request.NewErrParamRequired("DeviceDefinitionId"))
 	}
+	if s.DeviceDefinitionId != nil && len(*s.DeviceDefinitionId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("DeviceDefinitionId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -11454,9 +11550,15 @@ func (s *GetDeviceDefinitionVersionInput) Validate() error {
 	if s.DeviceDefinitionId == nil {
 		invalidParams.Add(request.NewErrParamRequired("DeviceDefinitionId"))
 	}
+	if s.DeviceDefinitionId != nil && len(*s.DeviceDefinitionId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("DeviceDefinitionId", 1))
+	}
 	if s.DeviceDefinitionVersionId == nil {
 		invalidParams.Add(request.NewErrParamRequired("DeviceDefinitionVersionId"))
 	}
+	if s.DeviceDefinitionVersionId != nil && len(*s.DeviceDefinitionVersionId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("DeviceDefinitionVersionId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -11575,6 +11677,9 @@ func (s *GetFunctionDefinitionInput) Validate() error {
 	if s.FunctionDefinitionId == nil {
 		invalidParams.Add(request.NewErrParamRequired("FunctionDefinitionId"))
 	}
+	if s.FunctionDefinitionId != nil && len(*s.FunctionDefinitionId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("FunctionDefinitionId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -11686,9 +11791,15 @@ func (s *GetFunctionDefinitionVersionInput) Validate() error {
 	if s.FunctionDefinitionId == nil {
 		invalidParams.Add(request.NewErrParamRequired("FunctionDefinitionId"))
 	}
+	if s.FunctionDefinitionId != nil && len(*s.FunctionDefinitionId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("FunctionDefinitionId", 1))
+	}
 	if s.FunctionDefinitionVersionId == nil {
 		invalidParams.Add(request.NewErrParamRequired("FunctionDefinitionVersionId"))
 	}
+	if s.FunctionDefinitionVersionId != nil && len(*s.FunctionDefinitionVersionId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("FunctionDefinitionVersionId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -11811,9 +11922,15 @@ func (s *GetGroupCertificateAuthorityInput) Validate() error {
 	if s.CertificateAuthorityId == nil {
 		invalidParams.Add(request.NewErrParamRequired("CertificateAuthorityId"))
 	}
+	if s.CertificateAuthorityId != nil && len(*s.CertificateAuthorityId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("CertificateAuthorityId", 1))
+	}
 	if s.GroupId == nil {
 		invalidParams.Add(request.NewErrParamRequired("GroupId"))
 	}
+	if s.GroupId != nil && len(*s.GroupId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("GroupId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -11898,6 +12015,9 @@ func (s *GetGroupCertificateConfigurationInput) Validate() error {
 	if s.GroupId == nil {
 		invalidParams.Add(request.NewErrParamRequired("GroupId"))
 	}
+	if s.GroupId != nil && len(*s.GroupId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("GroupId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -11972,6 +12092,9 @@ func (s *GetGroupInput) Validate() error {
 	if s.GroupId == nil {
 		invalidParams.Add(request.NewErrParamRequired("GroupId"))
 	}
+	if s.GroupId != nil && len(*s.GroupId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("GroupId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -12081,9 +12204,15 @@ func (s *GetGroupVersionInput) Validate() error {
 	if s.GroupId == nil {
 		invalidParams.Add(request.NewErrParamRequired("GroupId"))
 	}
+	if s.GroupId != nil && len(*s.GroupId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("GroupId", 1))
+	}
 	if s.GroupVersionId == nil {
 		invalidParams.Add(request.NewErrParamRequired("GroupVersionId"))
 	}
+	if s.GroupVersionId != nil && len(*s.GroupVersionId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("GroupVersionId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -12186,6 +12315,9 @@ func (s *GetLoggerDefinitionInput) Validate() error {
 	if s.LoggerDefinitionId == nil {
 		invalidParams.Add(request.NewErrParamRequired("LoggerDefinitionId"))
 	}
+	if s.LoggerDefinitionId != nil && len(*s.LoggerDefinitionId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("LoggerDefinitionId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -12297,9 +12429,15 @@ func (s *GetLoggerDefinitionVersionInput) Validate() error {
 	if s.LoggerDefinitionId == nil {
 		invalidParams.Add(request.NewErrParamRequired("LoggerDefinitionId"))
 	}
+	if s.LoggerDefinitionId != nil && len(*s.LoggerDefinitionId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("LoggerDefinitionId", 1))
+	}
 	if s.LoggerDefinitionVersionId == nil {
 		invalidParams.Add(request.NewErrParamRequired("LoggerDefinitionVersionId"))
 	}
+	if s.LoggerDefinitionVersionId != nil && len(*s.LoggerDefinitionVersionId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("LoggerDefinitionVersionId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -12409,6 +12547,9 @@ func (s *GetResourceDefinitionInput) Validate() error {
 	if s.ResourceDefinitionId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ResourceDefinitionId"))
 	}
+	if s.ResourceDefinitionId != nil && len(*s.ResourceDefinitionId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ResourceDefinitionId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -12518,9 +12659,15 @@ func (s *GetResourceDefinitionVersionInput) Validate() error {
 	if s.ResourceDefinitionId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ResourceDefinitionId"))
 	}
+	if s.ResourceDefinitionId != nil && len(*s.ResourceDefinitionId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ResourceDefinitionId", 1))
+	}
 	if s.ResourceDefinitionVersionId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ResourceDefinitionVersionId"))
 	}
+	if s.ResourceDefinitionVersionId != nil && len(*s.ResourceDefinitionVersionId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ResourceDefinitionVersionId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -12670,6 +12817,9 @@ func (s *GetSubscriptionDefinitionInput) Validate() error {
 	if s.SubscriptionDefinitionId == nil {
 		invalidParams.Add(request.NewErrParamRequired("SubscriptionDefinitionId"))
 	}
+	if s.SubscriptionDefinitionId != nil && len(*s.SubscriptionDefinitionId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("SubscriptionDefinitionId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -12781,9 +12931,15 @@ func (s *GetSubscriptionDefinitionVersionInput) Validate() error {
 	if s.SubscriptionDefinitionId == nil {
 		invalidParams.Add(request.NewErrParamRequired("SubscriptionDefinitionId"))
 	}
+	if s.SubscriptionDefinitionId != nil && len(*s.SubscriptionDefinitionId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("SubscriptionDefinitionId", 1))
+	}
 	if s.SubscriptionDefinitionVersionId == nil {
 		invalidParams.Add(request.NewErrParamRequired("SubscriptionDefinitionVersionId"))
 	}
+	if s.SubscriptionDefinitionVersionId != nil && len(*s.SubscriptionDefinitionVersionId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("SubscriptionDefinitionVersionId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -13132,6 +13288,9 @@ func (s *ListBulkDeploymentDetailedReportsInput) Validate() error {
 	if s.BulkDeploymentId == nil {
 		invalidParams.Add(request.NewErrParamRequired("BulkDeploymentId"))
 	}
+	if s.BulkDeploymentId != nil && len(*s.BulkDeploymentId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("BulkDeploymentId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -13280,6 +13439,9 @@ func (s *ListConnectorDefinitionVersionsInput) Validate() error {
 	if s.ConnectorDefinitionId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ConnectorDefinitionId"))
 	}
+	if s.ConnectorDefinitionId != nil && len(*s.ConnectorDefinitionId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ConnectorDefinitionId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -13422,6 +13584,9 @@ func (s *ListCoreDefinitionVersionsInput) Validate() error {
 	if s.CoreDefinitionId == nil {
 		invalidParams.Add(request.NewErrParamRequired("CoreDefinitionId"))
 	}
+	if s.CoreDefinitionId != nil && len(*s.CoreDefinitionId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("CoreDefinitionId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -13564,6 +13729,9 @@ func (s *ListDeploymentsInput) Validate() error {
 	if s.GroupId == nil {
 		invalidParams.Add(request.NewErrParamRequired("GroupId"))
 	}
+	if s.GroupId != nil && len(*s.GroupId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("GroupId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -13649,6 +13817,9 @@ func (s *ListDeviceDefinitionVersionsInput) Validate() error {
 	if s.DeviceDefinitionId == nil {
 		invalidParams.Add(request.NewErrParamRequired("DeviceDefinitionId"))
 	}
+	if s.DeviceDefinitionId != nil && len(*s.DeviceDefinitionId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("DeviceDefinitionId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -13791,6 +13962,9 @@ func (s *ListFunctionDefinitionVersionsInput) Validate() error {
 	if s.FunctionDefinitionId == nil {
 		invalidParams.Add(request.NewErrParamRequired("FunctionDefinitionId"))
 	}
+	if s.FunctionDefinitionId != nil && len(*s.FunctionDefinitionId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("FunctionDefinitionId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -13929,6 +14103,9 @@ func (s *ListGroupCertificateAuthoritiesInput) Validate() error {
 	if s.GroupId == nil {
 		invalidParams.Add(request.NewErrParamRequired("GroupId"))
 	}
+	if s.GroupId != nil && len(*s.GroupId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("GroupId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -13992,6 +14169,9 @@ func (s *ListGroupVersionsInput) Validate() error {
 	if s.GroupId == nil {
 		invalidParams.Add(request.NewErrParamRequired("GroupId"))
 	}
+	if s.GroupId != nil && len(*s.GroupId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("GroupId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -14137,6 +14317,9 @@ func (s *ListLoggerDefinitionVersionsInput) Validate() error {
 	if s.LoggerDefinitionId == nil {
 		invalidParams.Add(request.NewErrParamRequired("LoggerDefinitionId"))
 	}
+	if s.LoggerDefinitionId != nil && len(*s.LoggerDefinitionId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("LoggerDefinitionId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -14279,6 +14462,9 @@ func (s *ListResourceDefinitionVersionsInput) Validate() error {
 	if s.ResourceDefinitionId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ResourceDefinitionId"))
 	}
+	if s.ResourceDefinitionId != nil && len(*s.ResourceDefinitionId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ResourceDefinitionId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -14421,6 +14607,9 @@ func (s *ListSubscriptionDefinitionVersionsInput) Validate() error {
 	if s.SubscriptionDefinitionId == nil {
 		invalidParams.Add(request.NewErrParamRequired("SubscriptionDefinitionId"))
 	}
+	if s.SubscriptionDefinitionId != nil && len(*s.SubscriptionDefinitionId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("SubscriptionDefinitionId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -14730,6 +14919,9 @@ func (s *ResetDeploymentsInput) Validate() error {
 	if s.GroupId == nil {
 		invalidParams.Add(request.NewErrParamRequired("GroupId"))
 	}
+	if s.GroupId != nil && len(*s.GroupId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("GroupId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -15167,6 +15359,9 @@ func (s *StopBulkDeploymentInput) Validate() error {
 	if s.BulkDeploymentId == nil {
 		invalidParams.Add(request.NewErrParamRequired("BulkDeploymentId"))
 	}
+	if s.BulkDeploymentId != nil && len(*s.BulkDeploymentId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("BulkDeploymentId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -15300,6 +15495,9 @@ func (s *UpdateConnectivityInfoInput) Validate() error {
 	if s.ThingName == nil {
 		invalidParams.Add(request.NewErrParamRequired("ThingName"))
 	}
+	if s.ThingName != nil && len(*s.ThingName) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ThingName", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -15376,6 +15574,9 @@ func (s *UpdateConnectorDefinitionInput) Validate() error {
 	if s.ConnectorDefinitionId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ConnectorDefinitionId"))
 	}
+	if s.ConnectorDefinitionId != nil && len(*s.ConnectorDefinitionId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ConnectorDefinitionId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -15434,6 +15635,9 @@ func (s *UpdateCoreDefinitionInput) Validate() error {
 	if s.CoreDefinitionId == nil {
 		invalidParams.Add(request.NewErrParamRequired("CoreDefinitionId"))
 	}
+	if s.CoreDefinitionId != nil && len(*s.CoreDefinitionId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("CoreDefinitionId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -15492,6 +15696,9 @@ func (s *UpdateDeviceDefinitionInput) Validate() error {
 	if s.DeviceDefinitionId == nil {
 		invalidParams.Add(request.NewErrParamRequired("DeviceDefinitionId"))
 	}
+	if s.DeviceDefinitionId != nil && len(*s.DeviceDefinitionId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("DeviceDefinitionId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -15550,6 +15757,9 @@ func (s *UpdateFunctionDefinitionInput) Validate() error {
 	if s.FunctionDefinitionId == nil {
 		invalidParams.Add(request.NewErrParamRequired("FunctionDefinitionId"))
 	}
+	if s.FunctionDefinitionId != nil && len(*s.FunctionDefinitionId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("FunctionDefinitionId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -15609,6 +15819,9 @@ func (s *UpdateGroupCertificateConfigurationInput) Validate() error {
 	if s.GroupId == nil {
 		invalidParams.Add(request.NewErrParamRequired("GroupId"))
 	}
+	if s.GroupId != nil && len(*s.GroupId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("GroupId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -15691,6 +15904,9 @@ func (s *UpdateGroupInput) Validate() error {
 	if s.GroupId == nil {
 		invalidParams.Add(request.NewErrParamRequired("GroupId"))
 	}
+	if s.GroupId != nil && len(*s.GroupId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("GroupId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -15749,6 +15965,9 @@ func (s *UpdateLoggerDefinitionInput) Validate() error {
 	if s.LoggerDefinitionId == nil {
 		invalidParams.Add(request.NewErrParamRequired("LoggerDefinitionId"))
 	}
+	if s.LoggerDefinitionId != nil && len(*s.LoggerDefinitionId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("LoggerDefinitionId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -15807,6 +16026,9 @@ func (s *UpdateResourceDefinitionInput) Validate() error {
 	if s.ResourceDefinitionId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ResourceDefinitionId"))
 	}
+	if s.ResourceDefinitionId != nil && len(*s.ResourceDefinitionId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ResourceDefinitionId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -15865,6 +16087,9 @@ func (s *UpdateSubscriptionDefinitionInput) Validate() error {
 	if s.SubscriptionDefinitionId == nil {
 		invalidParams.Add(request.NewErrParamRequired("SubscriptionDefinitionId"))
 	}
+	if s.SubscriptionDefinitionId != nil && len(*s.SubscriptionDefinitionId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("SubscriptionDefinitionId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
diff --git a/service/guardduty/api.go b/service/guardduty/api.go
index 88975389ba8..e3d70da5edc 100644
--- a/service/guardduty/api.go
+++ b/service/guardduty/api.go
@@ -3906,6 +3906,9 @@ func (s *AcceptInvitationInput) Validate() error {
 	if s.DetectorId == nil {
 		invalidParams.Add(request.NewErrParamRequired("DetectorId"))
 	}
+	if s.DetectorId != nil && len(*s.DetectorId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("DetectorId", 1))
+	}
 	if s.InvitationId == nil {
 		invalidParams.Add(request.NewErrParamRequired("InvitationId"))
 	}
@@ -4145,6 +4148,9 @@ func (s *ArchiveFindingsInput) Validate() error {
 	if s.DetectorId == nil {
 		invalidParams.Add(request.NewErrParamRequired("DetectorId"))
 	}
+	if s.DetectorId != nil && len(*s.DetectorId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("DetectorId", 1))
+	}
 	if s.FindingIds == nil {
 		invalidParams.Add(request.NewErrParamRequired("FindingIds"))
 	}
@@ -4503,6 +4509,9 @@ func (s *CreateFilterInput) Validate() error {
 	if s.DetectorId == nil {
 		invalidParams.Add(request.NewErrParamRequired("DetectorId"))
 	}
+	if s.DetectorId != nil && len(*s.DetectorId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("DetectorId", 1))
+	}
 	if s.FindingCriteria == nil {
 		invalidParams.Add(request.NewErrParamRequired("FindingCriteria"))
 	}
@@ -4635,6 +4644,9 @@ func (s *CreateIPSetInput) Validate() error {
 	if s.DetectorId == nil {
 		invalidParams.Add(request.NewErrParamRequired("DetectorId"))
 	}
+	if s.DetectorId != nil && len(*s.DetectorId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("DetectorId", 1))
+	}
 	if s.Format == nil {
 		invalidParams.Add(request.NewErrParamRequired("Format"))
 	}
@@ -4744,6 +4756,9 @@ func (s *CreateMembersInput) Validate() error {
 	if s.DetectorId == nil {
 		invalidParams.Add(request.NewErrParamRequired("DetectorId"))
 	}
+	if s.DetectorId != nil && len(*s.DetectorId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("DetectorId", 1))
+	}
 	if s.AccountDetails != nil {
 		for i, v := range s.AccountDetails {
 			if v == nil {
@@ -4825,6 +4840,9 @@ func (s *CreateSampleFindingsInput) Validate() error {
 	if s.DetectorId == nil {
 		invalidParams.Add(request.NewErrParamRequired("DetectorId"))
 	}
+	if s.DetectorId != nil && len(*s.DetectorId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("DetectorId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -4910,6 +4928,9 @@ func (s *CreateThreatIntelSetInput) Validate() error {
 	if s.DetectorId == nil {
 		invalidParams.Add(request.NewErrParamRequired("DetectorId"))
 	}
+	if s.DetectorId != nil && len(*s.DetectorId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("DetectorId", 1))
+	}
 	if s.Format == nil {
 		invalidParams.Add(request.NewErrParamRequired("Format"))
 	}
@@ -5074,6 +5095,9 @@ func (s *DeleteDetectorInput) Validate() error {
 	if s.DetectorId == nil {
 		invalidParams.Add(request.NewErrParamRequired("DetectorId"))
 	}
+	if s.DetectorId != nil && len(*s.DetectorId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("DetectorId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -5127,9 +5151,15 @@ func (s *DeleteFilterInput) Validate() error {
 	if s.DetectorId == nil {
 		invalidParams.Add(request.NewErrParamRequired("DetectorId"))
 	}
+	if s.DetectorId != nil && len(*s.DetectorId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("DetectorId", 1))
+	}
 	if s.FilterName == nil {
 		invalidParams.Add(request.NewErrParamRequired("FilterName"))
 	}
+	if s.FilterName != nil && len(*s.FilterName) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("FilterName", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -5189,9 +5219,15 @@ func (s *DeleteIPSetInput) Validate() error {
 	if s.DetectorId == nil {
 		invalidParams.Add(request.NewErrParamRequired("DetectorId"))
 	}
+	if s.DetectorId != nil && len(*s.DetectorId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("DetectorId", 1))
+	}
 	if s.IpSetId == nil {
 		invalidParams.Add(request.NewErrParamRequired("IpSetId"))
 	}
+	if s.IpSetId != nil && len(*s.IpSetId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("IpSetId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -5322,6 +5358,9 @@ func (s *DeleteMembersInput) Validate() error {
 	if s.DetectorId == nil {
 		invalidParams.Add(request.NewErrParamRequired("DetectorId"))
 	}
+	if s.DetectorId != nil && len(*s.DetectorId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("DetectorId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -5392,9 +5431,15 @@ func (s *DeleteThreatIntelSetInput) Validate() error {
 	if s.DetectorId == nil {
 		invalidParams.Add(request.NewErrParamRequired("DetectorId"))
 	}
+	if s.DetectorId != nil && len(*s.DetectorId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("DetectorId", 1))
+	}
 	if s.ThreatIntelSetId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ThreatIntelSetId"))
 	}
+	if s.ThreatIntelSetId != nil && len(*s.ThreatIntelSetId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ThreatIntelSetId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -5451,6 +5496,9 @@ func (s *DisassociateFromMasterAccountInput) Validate() error {
 	if s.DetectorId == nil {
 		invalidParams.Add(request.NewErrParamRequired("DetectorId"))
 	}
+	if s.DetectorId != nil && len(*s.DetectorId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("DetectorId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -5511,6 +5559,9 @@ func (s *DisassociateMembersInput) Validate() error {
 	if s.DetectorId == nil {
 		invalidParams.Add(request.NewErrParamRequired("DetectorId"))
 	}
+	if s.DetectorId != nil && len(*s.DetectorId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("DetectorId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -5872,6 +5923,9 @@ func (s *GetDetectorInput) Validate() error {
 	if s.DetectorId == nil {
 		invalidParams.Add(request.NewErrParamRequired("DetectorId"))
 	}
+	if s.DetectorId != nil && len(*s.DetectorId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("DetectorId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -5971,9 +6025,15 @@ func (s *GetFilterInput) Validate() error {
 	if s.DetectorId == nil {
 		invalidParams.Add(request.NewErrParamRequired("DetectorId"))
 	}
+	if s.DetectorId != nil && len(*s.DetectorId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("DetectorId", 1))
+	}
 	if s.FilterName == nil {
 		invalidParams.Add(request.NewErrParamRequired("FilterName"))
 	}
+	if s.FilterName != nil && len(*s.FilterName) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("FilterName", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -6087,6 +6147,9 @@ func (s *GetFindingsInput) Validate() error {
 	if s.DetectorId == nil {
 		invalidParams.Add(request.NewErrParamRequired("DetectorId"))
 	}
+	if s.DetectorId != nil && len(*s.DetectorId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("DetectorId", 1))
+	}
 	if s.FindingIds == nil {
 		invalidParams.Add(request.NewErrParamRequired("FindingIds"))
 	}
@@ -6171,6 +6234,9 @@ func (s *GetFindingsStatisticsInput) Validate() error {
 	if s.DetectorId == nil {
 		invalidParams.Add(request.NewErrParamRequired("DetectorId"))
 	}
+	if s.DetectorId != nil && len(*s.DetectorId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("DetectorId", 1))
+	}
 	if s.FindingStatisticTypes == nil {
 		invalidParams.Add(request.NewErrParamRequired("FindingStatisticTypes"))
 	}
@@ -6249,9 +6315,15 @@ func (s *GetIPSetInput) Validate() error {
 	if s.DetectorId == nil {
 		invalidParams.Add(request.NewErrParamRequired("DetectorId"))
 	}
+	if s.DetectorId != nil && len(*s.DetectorId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("DetectorId", 1))
+	}
 	if s.IpSetId == nil {
 		invalidParams.Add(request.NewErrParamRequired("IpSetId"))
 	}
+	if s.IpSetId != nil && len(*s.IpSetId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("IpSetId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -6385,6 +6457,9 @@ func (s *GetMasterAccountInput) Validate() error {
 	if s.DetectorId == nil {
 		invalidParams.Add(request.NewErrParamRequired("DetectorId"))
 	}
+	if s.DetectorId != nil && len(*s.DetectorId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("DetectorId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -6454,6 +6529,9 @@ func (s *GetMembersInput) Validate() error {
 	if s.DetectorId == nil {
 		invalidParams.Add(request.NewErrParamRequired("DetectorId"))
 	}
+	if s.DetectorId != nil && len(*s.DetectorId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("DetectorId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -6533,9 +6611,15 @@ func (s *GetThreatIntelSetInput) Validate() error {
 	if s.DetectorId == nil {
 		invalidParams.Add(request.NewErrParamRequired("DetectorId"))
 	}
+	if s.DetectorId != nil && len(*s.DetectorId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("DetectorId", 1))
+	}
 	if s.ThreatIntelSetId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ThreatIntelSetId"))
 	}
+	if s.ThreatIntelSetId != nil && len(*s.ThreatIntelSetId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ThreatIntelSetId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -6856,6 +6940,9 @@ func (s *InviteMembersInput) Validate() error {
 	if s.DetectorId == nil {
 		invalidParams.Add(request.NewErrParamRequired("DetectorId"))
 	}
+	if s.DetectorId != nil && len(*s.DetectorId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("DetectorId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -7022,6 +7109,9 @@ func (s *ListFiltersInput) Validate() error {
 	if s.DetectorId == nil {
 		invalidParams.Add(request.NewErrParamRequired("DetectorId"))
 	}
+	if s.DetectorId != nil && len(*s.DetectorId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("DetectorId", 1))
+	}
 	if s.MaxResults != nil && *s.MaxResults < 1 {
 		invalidParams.Add(request.NewErrParamMinValue("MaxResults", 1))
 	}
@@ -7126,6 +7216,9 @@ func (s *ListFindingsInput) Validate() error {
 	if s.DetectorId == nil {
 		invalidParams.Add(request.NewErrParamRequired("DetectorId"))
 	}
+	if s.DetectorId != nil && len(*s.DetectorId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("DetectorId", 1))
+	}
 	if s.MaxResults != nil && *s.MaxResults < 1 {
 		invalidParams.Add(request.NewErrParamMinValue("MaxResults", 1))
 	}
@@ -7231,6 +7324,9 @@ func (s *ListIPSetsInput) Validate() error {
 	if s.DetectorId == nil {
 		invalidParams.Add(request.NewErrParamRequired("DetectorId"))
 	}
+	if s.DetectorId != nil && len(*s.DetectorId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("DetectorId", 1))
+	}
 	if s.MaxResults != nil && *s.MaxResults < 1 {
 		invalidParams.Add(request.NewErrParamMinValue("MaxResults", 1))
 	}
@@ -7407,6 +7503,9 @@ func (s *ListMembersInput) Validate() error {
 	if s.DetectorId == nil {
 		invalidParams.Add(request.NewErrParamRequired("DetectorId"))
 	}
+	if s.DetectorId != nil && len(*s.DetectorId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("DetectorId", 1))
+	}
 	if s.MaxResults != nil && *s.MaxResults < 1 {
 		invalidParams.Add(request.NewErrParamMinValue("MaxResults", 1))
 	}
@@ -7506,6 +7605,9 @@ func (s *ListThreatIntelSetsInput) Validate() error {
 	if s.DetectorId == nil {
 		invalidParams.Add(request.NewErrParamRequired("DetectorId"))
 	}
+	if s.DetectorId != nil && len(*s.DetectorId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("DetectorId", 1))
+	}
 	if s.MaxResults != nil && *s.MaxResults < 1 {
 		invalidParams.Add(request.NewErrParamMinValue("MaxResults", 1))
 	}
@@ -8435,6 +8537,9 @@ func (s *StartMonitoringMembersInput) Validate() error {
 	if s.DetectorId == nil {
 		invalidParams.Add(request.NewErrParamRequired("DetectorId"))
 	}
+	if s.DetectorId != nil && len(*s.DetectorId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("DetectorId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -8512,6 +8617,9 @@ func (s *StopMonitoringMembersInput) Validate() error {
 	if s.DetectorId == nil {
 		invalidParams.Add(request.NewErrParamRequired("DetectorId"))
 	}
+	if s.DetectorId != nil && len(*s.DetectorId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("DetectorId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -8618,6 +8726,9 @@ func (s *UnarchiveFindingsInput) Validate() error {
 	if s.DetectorId == nil {
 		invalidParams.Add(request.NewErrParamRequired("DetectorId"))
 	}
+	if s.DetectorId != nil && len(*s.DetectorId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("DetectorId", 1))
+	}
 	if s.FindingIds == nil {
 		invalidParams.Add(request.NewErrParamRequired("FindingIds"))
 	}
@@ -8723,6 +8834,9 @@ func (s *UpdateDetectorInput) Validate() error {
 	if s.DetectorId == nil {
 		invalidParams.Add(request.NewErrParamRequired("DetectorId"))
 	}
+	if s.DetectorId != nil && len(*s.DetectorId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("DetectorId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -8803,9 +8917,15 @@ func (s *UpdateFilterInput) Validate() error {
 	if s.DetectorId == nil {
 		invalidParams.Add(request.NewErrParamRequired("DetectorId"))
 	}
+	if s.DetectorId != nil && len(*s.DetectorId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("DetectorId", 1))
+	}
 	if s.FilterName == nil {
 		invalidParams.Add(request.NewErrParamRequired("FilterName"))
 	}
+	if s.FilterName != nil && len(*s.FilterName) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("FilterName", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -8910,6 +9030,9 @@ func (s *UpdateFindingsFeedbackInput) Validate() error {
 	if s.DetectorId == nil {
 		invalidParams.Add(request.NewErrParamRequired("DetectorId"))
 	}
+	if s.DetectorId != nil && len(*s.DetectorId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("DetectorId", 1))
+	}
 	if s.Feedback == nil {
 		invalidParams.Add(request.NewErrParamRequired("Feedback"))
 	}
@@ -8997,9 +9120,15 @@ func (s *UpdateIPSetInput) Validate() error {
 	if s.DetectorId == nil {
 		invalidParams.Add(request.NewErrParamRequired("DetectorId"))
 	}
+	if s.DetectorId != nil && len(*s.DetectorId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("DetectorId", 1))
+	}
 	if s.IpSetId == nil {
 		invalidParams.Add(request.NewErrParamRequired("IpSetId"))
 	}
+	if s.IpSetId != nil && len(*s.IpSetId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("IpSetId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -9089,9 +9218,15 @@ func (s *UpdateThreatIntelSetInput) Validate() error {
 	if s.DetectorId == nil {
 		invalidParams.Add(request.NewErrParamRequired("DetectorId"))
 	}
+	if s.DetectorId != nil && len(*s.DetectorId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("DetectorId", 1))
+	}
 	if s.ThreatIntelSetId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ThreatIntelSetId"))
 	}
+	if s.ThreatIntelSetId != nil && len(*s.ThreatIntelSetId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ThreatIntelSetId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
diff --git a/service/iam/examples_test.go b/service/iam/examples_test.go
index e2898a1a9f8..66c36f93edd 100644
--- a/service/iam/examples_test.go
+++ b/service/iam/examples_test.go
@@ -520,8 +520,8 @@ func ExampleIAM_CreateRole_shared00() {
 	svc := iam.New(session.New())
 	input := &iam.CreateRoleInput{
 		AssumeRolePolicyDocument: aws.String("<URL-encoded-JSON>"),
-		Path:     aws.String("/"),
-		RoleName: aws.String("Test-Role"),
+		Path:                     aws.String("/"),
+		RoleName:                 aws.String("Test-Role"),
 	}
 
 	result, err := svc.CreateRole(input)
diff --git a/service/iot/api.go b/service/iot/api.go
index 18e9bc3e75d..5761b49d723 100644
--- a/service/iot/api.go
+++ b/service/iot/api.go
@@ -20931,6 +20931,9 @@ func (s *DeletePolicyVersionInput) Validate() error {
 	if s.PolicyVersionId == nil {
 		invalidParams.Add(request.NewErrParamRequired("PolicyVersionId"))
 	}
+	if s.PolicyVersionId != nil && len(*s.PolicyVersionId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("PolicyVersionId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -23207,6 +23210,9 @@ func (s *DescribeThingRegistrationTaskInput) Validate() error {
 	if s.TaskId == nil {
 		invalidParams.Add(request.NewErrParamRequired("TaskId"))
 	}
+	if s.TaskId != nil && len(*s.TaskId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("TaskId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -24943,6 +24949,9 @@ func (s *GetPolicyVersionInput) Validate() error {
 	if s.PolicyVersionId == nil {
 		invalidParams.Add(request.NewErrParamRequired("PolicyVersionId"))
 	}
+	if s.PolicyVersionId != nil && len(*s.PolicyVersionId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("PolicyVersionId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -26363,6 +26372,9 @@ func (s *ListAttachedPoliciesInput) Validate() error {
 	if s.Target == nil {
 		invalidParams.Add(request.NewErrParamRequired("Target"))
 	}
+	if s.Target != nil && len(*s.Target) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Target", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -29223,6 +29235,9 @@ func (s *ListThingRegistrationTaskReportsInput) Validate() error {
 	if s.TaskId == nil {
 		invalidParams.Add(request.NewErrParamRequired("TaskId"))
 	}
+	if s.TaskId != nil && len(*s.TaskId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("TaskId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -32481,6 +32496,9 @@ func (s *SetDefaultPolicyVersionInput) Validate() error {
 	if s.PolicyVersionId == nil {
 		invalidParams.Add(request.NewErrParamRequired("PolicyVersionId"))
 	}
+	if s.PolicyVersionId != nil && len(*s.PolicyVersionId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("PolicyVersionId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -33194,6 +33212,9 @@ func (s *StopThingRegistrationTaskInput) Validate() error {
 	if s.TaskId == nil {
 		invalidParams.Add(request.NewErrParamRequired("TaskId"))
 	}
+	if s.TaskId != nil && len(*s.TaskId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("TaskId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
diff --git a/service/iot1clickdevicesservice/api.go b/service/iot1clickdevicesservice/api.go
index bbe1592ec8d..2eee73e24ec 100644
--- a/service/iot1clickdevicesservice/api.go
+++ b/service/iot1clickdevicesservice/api.go
@@ -894,6 +894,9 @@ func (s *ClaimDevicesByClaimCodeInput) Validate() error {
 	if s.ClaimCode == nil {
 		invalidParams.Add(request.NewErrParamRequired("ClaimCode"))
 	}
+	if s.ClaimCode != nil && len(*s.ClaimCode) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ClaimCode", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -963,6 +966,9 @@ func (s *DescribeDeviceInput) Validate() error {
 	if s.DeviceId == nil {
 		invalidParams.Add(request.NewErrParamRequired("DeviceId"))
 	}
+	if s.DeviceId != nil && len(*s.DeviceId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("DeviceId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -1188,6 +1194,9 @@ func (s *FinalizeDeviceClaimInput) Validate() error {
 	if s.DeviceId == nil {
 		invalidParams.Add(request.NewErrParamRequired("DeviceId"))
 	}
+	if s.DeviceId != nil && len(*s.DeviceId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("DeviceId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -1246,6 +1255,9 @@ func (s *GetDeviceMethodsInput) Validate() error {
 	if s.DeviceId == nil {
 		invalidParams.Add(request.NewErrParamRequired("DeviceId"))
 	}
+	if s.DeviceId != nil && len(*s.DeviceId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("DeviceId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -1305,6 +1317,9 @@ func (s *InitiateDeviceClaimInput) Validate() error {
 	if s.DeviceId == nil {
 		invalidParams.Add(request.NewErrParamRequired("DeviceId"))
 	}
+	if s.DeviceId != nil && len(*s.DeviceId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("DeviceId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -1369,6 +1384,9 @@ func (s *InvokeDeviceMethodInput) Validate() error {
 	if s.DeviceId == nil {
 		invalidParams.Add(request.NewErrParamRequired("DeviceId"))
 	}
+	if s.DeviceId != nil && len(*s.DeviceId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("DeviceId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -1450,6 +1468,9 @@ func (s *ListDeviceEventsInput) Validate() error {
 	if s.DeviceId == nil {
 		invalidParams.Add(request.NewErrParamRequired("DeviceId"))
 	}
+	if s.DeviceId != nil && len(*s.DeviceId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("DeviceId", 1))
+	}
 	if s.FromTimeStamp == nil {
 		invalidParams.Add(request.NewErrParamRequired("FromTimeStamp"))
 	}
@@ -1632,6 +1653,9 @@ func (s *UnclaimDeviceInput) Validate() error {
 	if s.DeviceId == nil {
 		invalidParams.Add(request.NewErrParamRequired("DeviceId"))
 	}
+	if s.DeviceId != nil && len(*s.DeviceId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("DeviceId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -1693,6 +1717,9 @@ func (s *UpdateDeviceStateInput) Validate() error {
 	if s.DeviceId == nil {
 		invalidParams.Add(request.NewErrParamRequired("DeviceId"))
 	}
+	if s.DeviceId != nil && len(*s.DeviceId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("DeviceId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
diff --git a/service/iotanalytics/api.go b/service/iotanalytics/api.go
index 6cc21004b72..ff3f0368e3f 100644
--- a/service/iotanalytics/api.go
+++ b/service/iotanalytics/api.go
@@ -3677,6 +3677,9 @@ func (s *CancelPipelineReprocessingInput) Validate() error {
 	if s.ReprocessingId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ReprocessingId"))
 	}
+	if s.ReprocessingId != nil && len(*s.ReprocessingId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ReprocessingId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
diff --git a/service/iotdataplane/api.go b/service/iotdataplane/api.go
index 7db5148a3a8..1d6d0d562c5 100644
--- a/service/iotdataplane/api.go
+++ b/service/iotdataplane/api.go
@@ -569,6 +569,9 @@ func (s *PublishInput) Validate() error {
 	if s.Topic == nil {
 		invalidParams.Add(request.NewErrParamRequired("Topic"))
 	}
+	if s.Topic != nil && len(*s.Topic) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Topic", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
diff --git a/service/iotjobsdataplane/api.go b/service/iotjobsdataplane/api.go
index 1c2d1fde26c..20caf56ac8a 100644
--- a/service/iotjobsdataplane/api.go
+++ b/service/iotjobsdataplane/api.go
@@ -428,6 +428,9 @@ func (s *DescribeJobExecutionInput) Validate() error {
 	if s.JobId == nil {
 		invalidParams.Add(request.NewErrParamRequired("JobId"))
 	}
+	if s.JobId != nil && len(*s.JobId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("JobId", 1))
+	}
 	if s.ThingName == nil {
 		invalidParams.Add(request.NewErrParamRequired("ThingName"))
 	}
diff --git a/service/kafka/api.go b/service/kafka/api.go
index fb0797238da..c60e1698bc8 100644
--- a/service/kafka/api.go
+++ b/service/kafka/api.go
@@ -1055,6 +1055,9 @@ func (s *DeleteClusterInput) Validate() error {
 	if s.ClusterArn == nil {
 		invalidParams.Add(request.NewErrParamRequired("ClusterArn"))
 	}
+	if s.ClusterArn != nil && len(*s.ClusterArn) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ClusterArn", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -1130,6 +1133,9 @@ func (s *DescribeClusterInput) Validate() error {
 	if s.ClusterArn == nil {
 		invalidParams.Add(request.NewErrParamRequired("ClusterArn"))
 	}
+	if s.ClusterArn != nil && len(*s.ClusterArn) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ClusterArn", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -1307,6 +1313,9 @@ func (s *GetBootstrapBrokersInput) Validate() error {
 	if s.ClusterArn == nil {
 		invalidParams.Add(request.NewErrParamRequired("ClusterArn"))
 	}
+	if s.ClusterArn != nil && len(*s.ClusterArn) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ClusterArn", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -1458,6 +1467,9 @@ func (s *ListNodesInput) Validate() error {
 	if s.ClusterArn == nil {
 		invalidParams.Add(request.NewErrParamRequired("ClusterArn"))
 	}
+	if s.ClusterArn != nil && len(*s.ClusterArn) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ClusterArn", 1))
+	}
 	if s.MaxResults != nil && *s.MaxResults < 1 {
 		invalidParams.Add(request.NewErrParamMinValue("MaxResults", 1))
 	}
diff --git a/service/lambda/api.go b/service/lambda/api.go
index bea06dce09f..e43890b890b 100644
--- a/service/lambda/api.go
+++ b/service/lambda/api.go
@@ -5049,6 +5049,9 @@ func (s *DeleteEventSourceMappingInput) Validate() error {
 	if s.UUID == nil {
 		invalidParams.Add(request.NewErrParamRequired("UUID"))
 	}
+	if s.UUID != nil && len(*s.UUID) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("UUID", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -5901,6 +5904,9 @@ func (s *GetEventSourceMappingInput) Validate() error {
 	if s.UUID == nil {
 		invalidParams.Add(request.NewErrParamRequired("UUID"))
 	}
+	if s.UUID != nil && len(*s.UUID) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("UUID", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -7537,6 +7543,9 @@ func (s *ListTagsInput) Validate() error {
 	if s.Resource == nil {
 		invalidParams.Add(request.NewErrParamRequired("Resource"))
 	}
+	if s.Resource != nil && len(*s.Resource) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Resource", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -8281,6 +8290,9 @@ func (s *TagResourceInput) Validate() error {
 	if s.Resource == nil {
 		invalidParams.Add(request.NewErrParamRequired("Resource"))
 	}
+	if s.Resource != nil && len(*s.Resource) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Resource", 1))
+	}
 	if s.Tags == nil {
 		invalidParams.Add(request.NewErrParamRequired("Tags"))
 	}
@@ -8399,6 +8411,9 @@ func (s *UntagResourceInput) Validate() error {
 	if s.Resource == nil {
 		invalidParams.Add(request.NewErrParamRequired("Resource"))
 	}
+	if s.Resource != nil && len(*s.Resource) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Resource", 1))
+	}
 	if s.TagKeys == nil {
 		invalidParams.Add(request.NewErrParamRequired("TagKeys"))
 	}
@@ -8609,6 +8624,9 @@ func (s *UpdateEventSourceMappingInput) Validate() error {
 	if s.UUID == nil {
 		invalidParams.Add(request.NewErrParamRequired("UUID"))
 	}
+	if s.UUID != nil && len(*s.UUID) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("UUID", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
diff --git a/service/lexmodelbuildingservice/api.go b/service/lexmodelbuildingservice/api.go
index fd12663b8e0..de511f752bc 100644
--- a/service/lexmodelbuildingservice/api.go
+++ b/service/lexmodelbuildingservice/api.go
@@ -6661,6 +6661,9 @@ func (s *GetBotInput) Validate() error {
 	if s.VersionOrAlias == nil {
 		invalidParams.Add(request.NewErrParamRequired("VersionOrAlias"))
 	}
+	if s.VersionOrAlias != nil && len(*s.VersionOrAlias) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("VersionOrAlias", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -7085,6 +7088,9 @@ func (s *GetBuiltinIntentInput) Validate() error {
 	if s.Signature == nil {
 		invalidParams.Add(request.NewErrParamRequired("Signature"))
 	}
+	if s.Signature != nil && len(*s.Signature) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Signature", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -7545,6 +7551,9 @@ func (s *GetImportInput) Validate() error {
 	if s.ImportId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ImportId"))
 	}
+	if s.ImportId != nil && len(*s.ImportId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ImportId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
diff --git a/service/lexruntimeservice/api.go b/service/lexruntimeservice/api.go
index bbb0d754550..a2152f675ad 100644
--- a/service/lexruntimeservice/api.go
+++ b/service/lexruntimeservice/api.go
@@ -591,9 +591,15 @@ func (s *PostContentInput) Validate() error {
 	if s.BotAlias == nil {
 		invalidParams.Add(request.NewErrParamRequired("BotAlias"))
 	}
+	if s.BotAlias != nil && len(*s.BotAlias) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("BotAlias", 1))
+	}
 	if s.BotName == nil {
 		invalidParams.Add(request.NewErrParamRequired("BotName"))
 	}
+	if s.BotName != nil && len(*s.BotName) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("BotName", 1))
+	}
 	if s.ContentType == nil {
 		invalidParams.Add(request.NewErrParamRequired("ContentType"))
 	}
@@ -929,9 +935,15 @@ func (s *PostTextInput) Validate() error {
 	if s.BotAlias == nil {
 		invalidParams.Add(request.NewErrParamRequired("BotAlias"))
 	}
+	if s.BotAlias != nil && len(*s.BotAlias) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("BotAlias", 1))
+	}
 	if s.BotName == nil {
 		invalidParams.Add(request.NewErrParamRequired("BotName"))
 	}
+	if s.BotName != nil && len(*s.BotName) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("BotName", 1))
+	}
 	if s.InputText == nil {
 		invalidParams.Add(request.NewErrParamRequired("InputText"))
 	}
diff --git a/service/mediaconnect/api.go b/service/mediaconnect/api.go
index 4792e313096..bf26d3ccdb7 100644
--- a/service/mediaconnect/api.go
+++ b/service/mediaconnect/api.go
@@ -1581,6 +1581,9 @@ func (s *AddFlowOutputsInput) Validate() error {
 	if s.FlowArn == nil {
 		invalidParams.Add(request.NewErrParamRequired("FlowArn"))
 	}
+	if s.FlowArn != nil && len(*s.FlowArn) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("FlowArn", 1))
+	}
 	if s.Outputs == nil {
 		invalidParams.Add(request.NewErrParamRequired("Outputs"))
 	}
@@ -1930,6 +1933,9 @@ func (s *DeleteFlowInput) Validate() error {
 	if s.FlowArn == nil {
 		invalidParams.Add(request.NewErrParamRequired("FlowArn"))
 	}
+	if s.FlowArn != nil && len(*s.FlowArn) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("FlowArn", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -1999,6 +2005,9 @@ func (s *DescribeFlowInput) Validate() error {
 	if s.FlowArn == nil {
 		invalidParams.Add(request.NewErrParamRequired("FlowArn"))
 	}
+	if s.FlowArn != nil && len(*s.FlowArn) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("FlowArn", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -2416,6 +2425,9 @@ func (s *GrantFlowEntitlementsInput) Validate() error {
 	if s.FlowArn == nil {
 		invalidParams.Add(request.NewErrParamRequired("FlowArn"))
 	}
+	if s.FlowArn != nil && len(*s.FlowArn) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("FlowArn", 1))
+	}
 	if s.Entitlements != nil {
 		for i, v := range s.Entitlements {
 			if v == nil {
@@ -2918,9 +2930,15 @@ func (s *RemoveFlowOutputInput) Validate() error {
 	if s.FlowArn == nil {
 		invalidParams.Add(request.NewErrParamRequired("FlowArn"))
 	}
+	if s.FlowArn != nil && len(*s.FlowArn) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("FlowArn", 1))
+	}
 	if s.OutputArn == nil {
 		invalidParams.Add(request.NewErrParamRequired("OutputArn"))
 	}
+	if s.OutputArn != nil && len(*s.OutputArn) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("OutputArn", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -3000,9 +3018,15 @@ func (s *RevokeFlowEntitlementInput) Validate() error {
 	if s.EntitlementArn == nil {
 		invalidParams.Add(request.NewErrParamRequired("EntitlementArn"))
 	}
+	if s.EntitlementArn != nil && len(*s.EntitlementArn) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("EntitlementArn", 1))
+	}
 	if s.FlowArn == nil {
 		invalidParams.Add(request.NewErrParamRequired("FlowArn"))
 	}
+	if s.FlowArn != nil && len(*s.FlowArn) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("FlowArn", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -3311,6 +3335,9 @@ func (s *StartFlowInput) Validate() error {
 	if s.FlowArn == nil {
 		invalidParams.Add(request.NewErrParamRequired("FlowArn"))
 	}
+	if s.FlowArn != nil && len(*s.FlowArn) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("FlowArn", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -3380,6 +3407,9 @@ func (s *StopFlowInput) Validate() error {
 	if s.FlowArn == nil {
 		invalidParams.Add(request.NewErrParamRequired("FlowArn"))
 	}
+	if s.FlowArn != nil && len(*s.FlowArn) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("FlowArn", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -3585,9 +3615,15 @@ func (s *UpdateFlowEntitlementInput) Validate() error {
 	if s.EntitlementArn == nil {
 		invalidParams.Add(request.NewErrParamRequired("EntitlementArn"))
 	}
+	if s.EntitlementArn != nil && len(*s.EntitlementArn) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("EntitlementArn", 1))
+	}
 	if s.FlowArn == nil {
 		invalidParams.Add(request.NewErrParamRequired("FlowArn"))
 	}
+	if s.FlowArn != nil && len(*s.FlowArn) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("FlowArn", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -3713,9 +3749,15 @@ func (s *UpdateFlowOutputInput) Validate() error {
 	if s.FlowArn == nil {
 		invalidParams.Add(request.NewErrParamRequired("FlowArn"))
 	}
+	if s.FlowArn != nil && len(*s.FlowArn) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("FlowArn", 1))
+	}
 	if s.OutputArn == nil {
 		invalidParams.Add(request.NewErrParamRequired("OutputArn"))
 	}
+	if s.OutputArn != nil && len(*s.OutputArn) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("OutputArn", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -3877,9 +3919,15 @@ func (s *UpdateFlowSourceInput) Validate() error {
 	if s.FlowArn == nil {
 		invalidParams.Add(request.NewErrParamRequired("FlowArn"))
 	}
+	if s.FlowArn != nil && len(*s.FlowArn) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("FlowArn", 1))
+	}
 	if s.SourceArn == nil {
 		invalidParams.Add(request.NewErrParamRequired("SourceArn"))
 	}
+	if s.SourceArn != nil && len(*s.SourceArn) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("SourceArn", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
diff --git a/service/mediaconvert/api.go b/service/mediaconvert/api.go
index b3f1465ffa8..867f2914854 100644
--- a/service/mediaconvert/api.go
+++ b/service/mediaconvert/api.go
@@ -3767,6 +3767,9 @@ func (s *CancelJobInput) Validate() error {
 	if s.Id == nil {
 		invalidParams.Add(request.NewErrParamRequired("Id"))
 	}
+	if s.Id != nil && len(*s.Id) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Id", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -5470,6 +5473,9 @@ func (s *DeleteJobTemplateInput) Validate() error {
 	if s.Name == nil {
 		invalidParams.Add(request.NewErrParamRequired("Name"))
 	}
+	if s.Name != nil && len(*s.Name) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Name", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -5525,6 +5531,9 @@ func (s *DeletePresetInput) Validate() error {
 	if s.Name == nil {
 		invalidParams.Add(request.NewErrParamRequired("Name"))
 	}
+	if s.Name != nil && len(*s.Name) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Name", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -5581,6 +5590,9 @@ func (s *DeleteQueueInput) Validate() error {
 	if s.Name == nil {
 		invalidParams.Add(request.NewErrParamRequired("Name"))
 	}
+	if s.Name != nil && len(*s.Name) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Name", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -6744,6 +6756,9 @@ func (s *GetJobInput) Validate() error {
 	if s.Id == nil {
 		invalidParams.Add(request.NewErrParamRequired("Id"))
 	}
+	if s.Id != nil && len(*s.Id) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Id", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -6808,6 +6823,9 @@ func (s *GetJobTemplateInput) Validate() error {
 	if s.Name == nil {
 		invalidParams.Add(request.NewErrParamRequired("Name"))
 	}
+	if s.Name != nil && len(*s.Name) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Name", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -6873,6 +6891,9 @@ func (s *GetPresetInput) Validate() error {
 	if s.Name == nil {
 		invalidParams.Add(request.NewErrParamRequired("Name"))
 	}
+	if s.Name != nil && len(*s.Name) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Name", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -6937,6 +6958,9 @@ func (s *GetQueueInput) Validate() error {
 	if s.Name == nil {
 		invalidParams.Add(request.NewErrParamRequired("Name"))
 	}
+	if s.Name != nil && len(*s.Name) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Name", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -10565,6 +10589,9 @@ func (s *ListTagsForResourceInput) Validate() error {
 	if s.Arn == nil {
 		invalidParams.Add(request.NewErrParamRequired("Arn"))
 	}
+	if s.Arn != nil && len(*s.Arn) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Arn", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -14100,6 +14127,9 @@ func (s *UntagResourceInput) Validate() error {
 	if s.Arn == nil {
 		invalidParams.Add(request.NewErrParamRequired("Arn"))
 	}
+	if s.Arn != nil && len(*s.Arn) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Arn", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -14175,6 +14205,9 @@ func (s *UpdateJobTemplateInput) Validate() error {
 	if s.Name == nil {
 		invalidParams.Add(request.NewErrParamRequired("Name"))
 	}
+	if s.Name != nil && len(*s.Name) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Name", 1))
+	}
 	if s.Settings != nil {
 		if err := s.Settings.Validate(); err != nil {
 			invalidParams.AddNested("Settings", err.(request.ErrInvalidParams))
@@ -14280,6 +14313,9 @@ func (s *UpdatePresetInput) Validate() error {
 	if s.Name == nil {
 		invalidParams.Add(request.NewErrParamRequired("Name"))
 	}
+	if s.Name != nil && len(*s.Name) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Name", 1))
+	}
 	if s.Settings != nil {
 		if err := s.Settings.Validate(); err != nil {
 			invalidParams.AddNested("Settings", err.(request.ErrInvalidParams))
@@ -14384,6 +14420,9 @@ func (s *UpdateQueueInput) Validate() error {
 	if s.Name == nil {
 		invalidParams.Add(request.NewErrParamRequired("Name"))
 	}
+	if s.Name != nil && len(*s.Name) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Name", 1))
+	}
 	if s.ReservationPlanSettings != nil {
 		if err := s.ReservationPlanSettings.Validate(); err != nil {
 			invalidParams.AddNested("ReservationPlanSettings", err.(request.ErrInvalidParams))
diff --git a/service/medialive/api.go b/service/medialive/api.go
index 74ceda2e689..415bc1ecd6f 100644
--- a/service/medialive/api.go
+++ b/service/medialive/api.go
@@ -3893,6 +3893,9 @@ func (s *BatchUpdateScheduleInput) Validate() error {
 	if s.ChannelId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ChannelId"))
 	}
+	if s.ChannelId != nil && len(*s.ChannelId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ChannelId", 1))
+	}
 	if s.Creates != nil {
 		if err := s.Creates.Validate(); err != nil {
 			invalidParams.AddNested("Creates", err.(request.ErrInvalidParams))
@@ -5279,6 +5282,9 @@ func (s *DeleteChannelInput) Validate() error {
 	if s.ChannelId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ChannelId"))
 	}
+	if s.ChannelId != nil && len(*s.ChannelId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ChannelId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -5426,6 +5432,9 @@ func (s *DeleteInputInput) Validate() error {
 	if s.InputId == nil {
 		invalidParams.Add(request.NewErrParamRequired("InputId"))
 	}
+	if s.InputId != nil && len(*s.InputId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("InputId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -5476,6 +5485,9 @@ func (s *DeleteInputSecurityGroupInput) Validate() error {
 	if s.InputSecurityGroupId == nil {
 		invalidParams.Add(request.NewErrParamRequired("InputSecurityGroupId"))
 	}
+	if s.InputSecurityGroupId != nil && len(*s.InputSecurityGroupId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("InputSecurityGroupId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -5526,6 +5538,9 @@ func (s *DeleteReservationInput) Validate() error {
 	if s.ReservationId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ReservationId"))
 	}
+	if s.ReservationId != nil && len(*s.ReservationId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ReservationId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -5716,6 +5731,9 @@ func (s *DescribeChannelInput) Validate() error {
 	if s.ChannelId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ChannelId"))
 	}
+	if s.ChannelId != nil && len(*s.ChannelId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ChannelId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -5863,6 +5881,9 @@ func (s *DescribeInputInput) Validate() error {
 	if s.InputId == nil {
 		invalidParams.Add(request.NewErrParamRequired("InputId"))
 	}
+	if s.InputId != nil && len(*s.InputId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("InputId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -5985,6 +6006,9 @@ func (s *DescribeInputSecurityGroupInput) Validate() error {
 	if s.InputSecurityGroupId == nil {
 		invalidParams.Add(request.NewErrParamRequired("InputSecurityGroupId"))
 	}
+	if s.InputSecurityGroupId != nil && len(*s.InputSecurityGroupId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("InputSecurityGroupId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -6075,6 +6099,9 @@ func (s *DescribeOfferingInput) Validate() error {
 	if s.OfferingId == nil {
 		invalidParams.Add(request.NewErrParamRequired("OfferingId"))
 	}
+	if s.OfferingId != nil && len(*s.OfferingId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("OfferingId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -6216,6 +6243,9 @@ func (s *DescribeReservationInput) Validate() error {
 	if s.ReservationId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ReservationId"))
 	}
+	if s.ReservationId != nil && len(*s.ReservationId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ReservationId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -6410,6 +6440,9 @@ func (s *DescribeScheduleInput) Validate() error {
 	if s.ChannelId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ChannelId"))
 	}
+	if s.ChannelId != nil && len(*s.ChannelId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ChannelId", 1))
+	}
 	if s.MaxResults != nil && *s.MaxResults < 1 {
 		invalidParams.Add(request.NewErrParamMinValue("MaxResults", 1))
 	}
@@ -11990,6 +12023,9 @@ func (s *PurchaseOfferingInput) Validate() error {
 	if s.OfferingId == nil {
 		invalidParams.Add(request.NewErrParamRequired("OfferingId"))
 	}
+	if s.OfferingId != nil && len(*s.OfferingId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("OfferingId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -13577,6 +13613,9 @@ func (s *StartChannelInput) Validate() error {
 	if s.ChannelId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ChannelId"))
 	}
+	if s.ChannelId != nil && len(*s.ChannelId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ChannelId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -13964,6 +14003,9 @@ func (s *StopChannelInput) Validate() error {
 	if s.ChannelId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ChannelId"))
 	}
+	if s.ChannelId != nil && len(*s.ChannelId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ChannelId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -14414,6 +14456,9 @@ func (s *UpdateChannelInput) Validate() error {
 	if s.ChannelId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ChannelId"))
 	}
+	if s.ChannelId != nil && len(*s.ChannelId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ChannelId", 1))
+	}
 	if s.EncoderSettings != nil {
 		if err := s.EncoderSettings.Validate(); err != nil {
 			invalidParams.AddNested("EncoderSettings", err.(request.ErrInvalidParams))
@@ -14537,6 +14582,9 @@ func (s *UpdateInputInput) Validate() error {
 	if s.InputId == nil {
 		invalidParams.Add(request.NewErrParamRequired("InputId"))
 	}
+	if s.InputId != nil && len(*s.InputId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("InputId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -14621,6 +14669,9 @@ func (s *UpdateInputSecurityGroupInput) Validate() error {
 	if s.InputSecurityGroupId == nil {
 		invalidParams.Add(request.NewErrParamRequired("InputSecurityGroupId"))
 	}
+	if s.InputSecurityGroupId != nil && len(*s.InputSecurityGroupId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("InputSecurityGroupId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
diff --git a/service/mediapackage/api.go b/service/mediapackage/api.go
index c36d0f0a7ba..d7abfafec40 100644
--- a/service/mediapackage/api.go
+++ b/service/mediapackage/api.go
@@ -1996,6 +1996,9 @@ func (s *DeleteChannelInput) Validate() error {
 	if s.Id == nil {
 		invalidParams.Add(request.NewErrParamRequired("Id"))
 	}
+	if s.Id != nil && len(*s.Id) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Id", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -2046,6 +2049,9 @@ func (s *DeleteOriginEndpointInput) Validate() error {
 	if s.Id == nil {
 		invalidParams.Add(request.NewErrParamRequired("Id"))
 	}
+	if s.Id != nil && len(*s.Id) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Id", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -2096,6 +2102,9 @@ func (s *DescribeChannelInput) Validate() error {
 	if s.Id == nil {
 		invalidParams.Add(request.NewErrParamRequired("Id"))
 	}
+	if s.Id != nil && len(*s.Id) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Id", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -2179,6 +2188,9 @@ func (s *DescribeOriginEndpointInput) Validate() error {
 	if s.Id == nil {
 		invalidParams.Add(request.NewErrParamRequired("Id"))
 	}
+	if s.Id != nil && len(*s.Id) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Id", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -3231,6 +3243,9 @@ func (s *RotateChannelCredentialsInput) Validate() error {
 	if s.Id == nil {
 		invalidParams.Add(request.NewErrParamRequired("Id"))
 	}
+	if s.Id != nil && len(*s.Id) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Id", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -3318,9 +3333,15 @@ func (s *RotateIngestEndpointCredentialsInput) Validate() error {
 	if s.Id == nil {
 		invalidParams.Add(request.NewErrParamRequired("Id"))
 	}
+	if s.Id != nil && len(*s.Id) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Id", 1))
+	}
 	if s.IngestEndpointId == nil {
 		invalidParams.Add(request.NewErrParamRequired("IngestEndpointId"))
 	}
+	if s.IngestEndpointId != nil && len(*s.IngestEndpointId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("IngestEndpointId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -3548,6 +3569,9 @@ func (s *UpdateChannelInput) Validate() error {
 	if s.Id == nil {
 		invalidParams.Add(request.NewErrParamRequired("Id"))
 	}
+	if s.Id != nil && len(*s.Id) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Id", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -3659,6 +3683,9 @@ func (s *UpdateOriginEndpointInput) Validate() error {
 	if s.Id == nil {
 		invalidParams.Add(request.NewErrParamRequired("Id"))
 	}
+	if s.Id != nil && len(*s.Id) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Id", 1))
+	}
 	if s.CmafPackage != nil {
 		if err := s.CmafPackage.Validate(); err != nil {
 			invalidParams.AddNested("CmafPackage", err.(request.ErrInvalidParams))
diff --git a/service/mediatailor/api.go b/service/mediatailor/api.go
index 537cbc547c3..66b3be54227 100644
--- a/service/mediatailor/api.go
+++ b/service/mediatailor/api.go
@@ -403,6 +403,9 @@ func (s *DeletePlaybackConfigurationInput) Validate() error {
 	if s.Name == nil {
 		invalidParams.Add(request.NewErrParamRequired("Name"))
 	}
+	if s.Name != nil && len(*s.Name) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Name", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -453,6 +456,9 @@ func (s *GetPlaybackConfigurationInput) Validate() error {
 	if s.Name == nil {
 		invalidParams.Add(request.NewErrParamRequired("Name"))
 	}
+	if s.Name != nil && len(*s.Name) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Name", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
diff --git a/service/mobile/api.go b/service/mobile/api.go
index b4c751a7234..123464829a6 100644
--- a/service/mobile/api.go
+++ b/service/mobile/api.go
@@ -1185,6 +1185,9 @@ func (s *DeleteProjectInput) Validate() error {
 	if s.ProjectId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ProjectId"))
 	}
+	if s.ProjectId != nil && len(*s.ProjectId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ProjectId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -1258,6 +1261,9 @@ func (s *DescribeBundleInput) Validate() error {
 	if s.BundleId == nil {
 		invalidParams.Add(request.NewErrParamRequired("BundleId"))
 	}
+	if s.BundleId != nil && len(*s.BundleId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("BundleId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -1402,6 +1408,9 @@ func (s *ExportBundleInput) Validate() error {
 	if s.BundleId == nil {
 		invalidParams.Add(request.NewErrParamRequired("BundleId"))
 	}
+	if s.BundleId != nil && len(*s.BundleId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("BundleId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -1481,6 +1490,9 @@ func (s *ExportProjectInput) Validate() error {
 	if s.ProjectId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ProjectId"))
 	}
+	if s.ProjectId != nil && len(*s.ProjectId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ProjectId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
diff --git a/service/mq/api.go b/service/mq/api.go
index b92e1e8dfa5..8dfb6903d0c 100644
--- a/service/mq/api.go
+++ b/service/mq/api.go
@@ -2148,9 +2148,15 @@ func (s *CreateUserRequest) Validate() error {
 	if s.BrokerId == nil {
 		invalidParams.Add(request.NewErrParamRequired("BrokerId"))
 	}
+	if s.BrokerId != nil && len(*s.BrokerId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("BrokerId", 1))
+	}
 	if s.Username == nil {
 		invalidParams.Add(request.NewErrParamRequired("Username"))
 	}
+	if s.Username != nil && len(*s.Username) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Username", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -2211,6 +2217,9 @@ func (s *DeleteBrokerInput) Validate() error {
 	if s.BrokerId == nil {
 		invalidParams.Add(request.NewErrParamRequired("BrokerId"))
 	}
+	if s.BrokerId != nil && len(*s.BrokerId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("BrokerId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -2272,9 +2281,15 @@ func (s *DeleteUserInput) Validate() error {
 	if s.BrokerId == nil {
 		invalidParams.Add(request.NewErrParamRequired("BrokerId"))
 	}
+	if s.BrokerId != nil && len(*s.BrokerId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("BrokerId", 1))
+	}
 	if s.Username == nil {
 		invalidParams.Add(request.NewErrParamRequired("Username"))
 	}
+	if s.Username != nil && len(*s.Username) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Username", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -2331,6 +2346,9 @@ func (s *DescribeBrokerInput) Validate() error {
 	if s.BrokerId == nil {
 		invalidParams.Add(request.NewErrParamRequired("BrokerId"))
 	}
+	if s.BrokerId != nil && len(*s.BrokerId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("BrokerId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -2541,6 +2559,9 @@ func (s *DescribeConfigurationInput) Validate() error {
 	if s.ConfigurationId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ConfigurationId"))
 	}
+	if s.ConfigurationId != nil && len(*s.ConfigurationId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ConfigurationId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -2660,9 +2681,15 @@ func (s *DescribeConfigurationRevisionInput) Validate() error {
 	if s.ConfigurationId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ConfigurationId"))
 	}
+	if s.ConfigurationId != nil && len(*s.ConfigurationId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ConfigurationId", 1))
+	}
 	if s.ConfigurationRevision == nil {
 		invalidParams.Add(request.NewErrParamRequired("ConfigurationRevision"))
 	}
+	if s.ConfigurationRevision != nil && len(*s.ConfigurationRevision) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ConfigurationRevision", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -2754,9 +2781,15 @@ func (s *DescribeUserInput) Validate() error {
 	if s.BrokerId == nil {
 		invalidParams.Add(request.NewErrParamRequired("BrokerId"))
 	}
+	if s.BrokerId != nil && len(*s.BrokerId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("BrokerId", 1))
+	}
 	if s.Username == nil {
 		invalidParams.Add(request.NewErrParamRequired("Username"))
 	}
+	if s.Username != nil && len(*s.Username) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Username", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -2932,6 +2965,9 @@ func (s *ListConfigurationRevisionsInput) Validate() error {
 	if s.ConfigurationId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ConfigurationId"))
 	}
+	if s.ConfigurationId != nil && len(*s.ConfigurationId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ConfigurationId", 1))
+	}
 	if s.MaxResults != nil && *s.MaxResults < 1 {
 		invalidParams.Add(request.NewErrParamMinValue("MaxResults", 1))
 	}
@@ -3114,6 +3150,9 @@ func (s *ListUsersInput) Validate() error {
 	if s.BrokerId == nil {
 		invalidParams.Add(request.NewErrParamRequired("BrokerId"))
 	}
+	if s.BrokerId != nil && len(*s.BrokerId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("BrokerId", 1))
+	}
 	if s.MaxResults != nil && *s.MaxResults < 1 {
 		invalidParams.Add(request.NewErrParamMinValue("MaxResults", 1))
 	}
@@ -3342,6 +3381,9 @@ func (s *RebootBrokerInput) Validate() error {
 	if s.BrokerId == nil {
 		invalidParams.Add(request.NewErrParamRequired("BrokerId"))
 	}
+	if s.BrokerId != nil && len(*s.BrokerId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("BrokerId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -3445,6 +3487,9 @@ func (s *UpdateBrokerRequest) Validate() error {
 	if s.BrokerId == nil {
 		invalidParams.Add(request.NewErrParamRequired("BrokerId"))
 	}
+	if s.BrokerId != nil && len(*s.BrokerId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("BrokerId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -3565,6 +3610,9 @@ func (s *UpdateConfigurationRequest) Validate() error {
 	if s.ConfigurationId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ConfigurationId"))
 	}
+	if s.ConfigurationId != nil && len(*s.ConfigurationId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ConfigurationId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -3699,9 +3747,15 @@ func (s *UpdateUserRequest) Validate() error {
 	if s.BrokerId == nil {
 		invalidParams.Add(request.NewErrParamRequired("BrokerId"))
 	}
+	if s.BrokerId != nil && len(*s.BrokerId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("BrokerId", 1))
+	}
 	if s.Username == nil {
 		invalidParams.Add(request.NewErrParamRequired("Username"))
 	}
+	if s.Username != nil && len(*s.Username) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Username", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
diff --git a/service/pinpoint/api.go b/service/pinpoint/api.go
index f4a8c811378..76152a5e386 100644
--- a/service/pinpoint/api.go
+++ b/service/pinpoint/api.go
@@ -9839,6 +9839,9 @@ func (s *CreateCampaignInput) Validate() error {
 	if s.ApplicationId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ApplicationId"))
 	}
+	if s.ApplicationId != nil && len(*s.ApplicationId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ApplicationId", 1))
+	}
 	if s.WriteCampaignRequest == nil {
 		invalidParams.Add(request.NewErrParamRequired("WriteCampaignRequest"))
 	}
@@ -9914,6 +9917,9 @@ func (s *CreateExportJobInput) Validate() error {
 	if s.ApplicationId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ApplicationId"))
 	}
+	if s.ApplicationId != nil && len(*s.ApplicationId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ApplicationId", 1))
+	}
 	if s.ExportJobRequest == nil {
 		invalidParams.Add(request.NewErrParamRequired("ExportJobRequest"))
 	}
@@ -9989,6 +9995,9 @@ func (s *CreateImportJobInput) Validate() error {
 	if s.ApplicationId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ApplicationId"))
 	}
+	if s.ApplicationId != nil && len(*s.ApplicationId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ApplicationId", 1))
+	}
 	if s.ImportJobRequest == nil {
 		invalidParams.Add(request.NewErrParamRequired("ImportJobRequest"))
 	}
@@ -10064,6 +10073,9 @@ func (s *CreateSegmentInput) Validate() error {
 	if s.ApplicationId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ApplicationId"))
 	}
+	if s.ApplicationId != nil && len(*s.ApplicationId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ApplicationId", 1))
+	}
 	if s.WriteSegmentRequest == nil {
 		invalidParams.Add(request.NewErrParamRequired("WriteSegmentRequest"))
 	}
@@ -10255,6 +10267,9 @@ func (s *DeleteAdmChannelInput) Validate() error {
 	if s.ApplicationId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ApplicationId"))
 	}
+	if s.ApplicationId != nil && len(*s.ApplicationId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ApplicationId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -10316,6 +10331,9 @@ func (s *DeleteApnsChannelInput) Validate() error {
 	if s.ApplicationId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ApplicationId"))
 	}
+	if s.ApplicationId != nil && len(*s.ApplicationId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ApplicationId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -10377,6 +10395,9 @@ func (s *DeleteApnsSandboxChannelInput) Validate() error {
 	if s.ApplicationId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ApplicationId"))
 	}
+	if s.ApplicationId != nil && len(*s.ApplicationId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ApplicationId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -10438,6 +10459,9 @@ func (s *DeleteApnsVoipChannelInput) Validate() error {
 	if s.ApplicationId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ApplicationId"))
 	}
+	if s.ApplicationId != nil && len(*s.ApplicationId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ApplicationId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -10499,6 +10523,9 @@ func (s *DeleteApnsVoipSandboxChannelInput) Validate() error {
 	if s.ApplicationId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ApplicationId"))
 	}
+	if s.ApplicationId != nil && len(*s.ApplicationId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ApplicationId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -10560,6 +10587,9 @@ func (s *DeleteAppInput) Validate() error {
 	if s.ApplicationId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ApplicationId"))
 	}
+	if s.ApplicationId != nil && len(*s.ApplicationId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ApplicationId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -10621,6 +10651,9 @@ func (s *DeleteBaiduChannelInput) Validate() error {
 	if s.ApplicationId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ApplicationId"))
 	}
+	if s.ApplicationId != nil && len(*s.ApplicationId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ApplicationId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -10685,9 +10718,15 @@ func (s *DeleteCampaignInput) Validate() error {
 	if s.ApplicationId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ApplicationId"))
 	}
+	if s.ApplicationId != nil && len(*s.ApplicationId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ApplicationId", 1))
+	}
 	if s.CampaignId == nil {
 		invalidParams.Add(request.NewErrParamRequired("CampaignId"))
 	}
+	if s.CampaignId != nil && len(*s.CampaignId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("CampaignId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -10755,6 +10794,9 @@ func (s *DeleteEmailChannelInput) Validate() error {
 	if s.ApplicationId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ApplicationId"))
 	}
+	if s.ApplicationId != nil && len(*s.ApplicationId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ApplicationId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -10819,9 +10861,15 @@ func (s *DeleteEndpointInput) Validate() error {
 	if s.ApplicationId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ApplicationId"))
 	}
+	if s.ApplicationId != nil && len(*s.ApplicationId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ApplicationId", 1))
+	}
 	if s.EndpointId == nil {
 		invalidParams.Add(request.NewErrParamRequired("EndpointId"))
 	}
+	if s.EndpointId != nil && len(*s.EndpointId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("EndpointId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -10889,6 +10937,9 @@ func (s *DeleteEventStreamInput) Validate() error {
 	if s.ApplicationId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ApplicationId"))
 	}
+	if s.ApplicationId != nil && len(*s.ApplicationId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ApplicationId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -10950,6 +11001,9 @@ func (s *DeleteGcmChannelInput) Validate() error {
 	if s.ApplicationId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ApplicationId"))
 	}
+	if s.ApplicationId != nil && len(*s.ApplicationId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ApplicationId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -11014,9 +11068,15 @@ func (s *DeleteSegmentInput) Validate() error {
 	if s.ApplicationId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ApplicationId"))
 	}
+	if s.ApplicationId != nil && len(*s.ApplicationId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ApplicationId", 1))
+	}
 	if s.SegmentId == nil {
 		invalidParams.Add(request.NewErrParamRequired("SegmentId"))
 	}
+	if s.SegmentId != nil && len(*s.SegmentId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("SegmentId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -11084,6 +11144,9 @@ func (s *DeleteSmsChannelInput) Validate() error {
 	if s.ApplicationId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ApplicationId"))
 	}
+	if s.ApplicationId != nil && len(*s.ApplicationId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ApplicationId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -11148,9 +11211,15 @@ func (s *DeleteUserEndpointsInput) Validate() error {
 	if s.ApplicationId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ApplicationId"))
 	}
+	if s.ApplicationId != nil && len(*s.ApplicationId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ApplicationId", 1))
+	}
 	if s.UserId == nil {
 		invalidParams.Add(request.NewErrParamRequired("UserId"))
 	}
+	if s.UserId != nil && len(*s.UserId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("UserId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -11218,6 +11287,9 @@ func (s *DeleteVoiceChannelInput) Validate() error {
 	if s.ApplicationId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ApplicationId"))
 	}
+	if s.ApplicationId != nil && len(*s.ApplicationId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ApplicationId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -13537,6 +13609,9 @@ func (s *GetAdmChannelInput) Validate() error {
 	if s.ApplicationId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ApplicationId"))
 	}
+	if s.ApplicationId != nil && len(*s.ApplicationId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ApplicationId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -13598,6 +13673,9 @@ func (s *GetApnsChannelInput) Validate() error {
 	if s.ApplicationId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ApplicationId"))
 	}
+	if s.ApplicationId != nil && len(*s.ApplicationId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ApplicationId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -13659,6 +13737,9 @@ func (s *GetApnsSandboxChannelInput) Validate() error {
 	if s.ApplicationId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ApplicationId"))
 	}
+	if s.ApplicationId != nil && len(*s.ApplicationId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ApplicationId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -13720,6 +13801,9 @@ func (s *GetApnsVoipChannelInput) Validate() error {
 	if s.ApplicationId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ApplicationId"))
 	}
+	if s.ApplicationId != nil && len(*s.ApplicationId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ApplicationId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -13781,6 +13865,9 @@ func (s *GetApnsVoipSandboxChannelInput) Validate() error {
 	if s.ApplicationId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ApplicationId"))
 	}
+	if s.ApplicationId != nil && len(*s.ApplicationId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ApplicationId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -13842,6 +13929,9 @@ func (s *GetAppInput) Validate() error {
 	if s.ApplicationId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ApplicationId"))
 	}
+	if s.ApplicationId != nil && len(*s.ApplicationId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ApplicationId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -13903,6 +13993,9 @@ func (s *GetApplicationSettingsInput) Validate() error {
 	if s.ApplicationId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ApplicationId"))
 	}
+	if s.ApplicationId != nil && len(*s.ApplicationId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ApplicationId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -14019,6 +14112,9 @@ func (s *GetBaiduChannelInput) Validate() error {
 	if s.ApplicationId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ApplicationId"))
 	}
+	if s.ApplicationId != nil && len(*s.ApplicationId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ApplicationId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -14087,9 +14183,15 @@ func (s *GetCampaignActivitiesInput) Validate() error {
 	if s.ApplicationId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ApplicationId"))
 	}
+	if s.ApplicationId != nil && len(*s.ApplicationId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ApplicationId", 1))
+	}
 	if s.CampaignId == nil {
 		invalidParams.Add(request.NewErrParamRequired("CampaignId"))
 	}
+	if s.CampaignId != nil && len(*s.CampaignId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("CampaignId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -14172,9 +14274,15 @@ func (s *GetCampaignInput) Validate() error {
 	if s.ApplicationId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ApplicationId"))
 	}
+	if s.ApplicationId != nil && len(*s.ApplicationId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ApplicationId", 1))
+	}
 	if s.CampaignId == nil {
 		invalidParams.Add(request.NewErrParamRequired("CampaignId"))
 	}
+	if s.CampaignId != nil && len(*s.CampaignId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("CampaignId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -14248,12 +14356,21 @@ func (s *GetCampaignVersionInput) Validate() error {
 	if s.ApplicationId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ApplicationId"))
 	}
+	if s.ApplicationId != nil && len(*s.ApplicationId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ApplicationId", 1))
+	}
 	if s.CampaignId == nil {
 		invalidParams.Add(request.NewErrParamRequired("CampaignId"))
 	}
+	if s.CampaignId != nil && len(*s.CampaignId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("CampaignId", 1))
+	}
 	if s.Version == nil {
 		invalidParams.Add(request.NewErrParamRequired("Version"))
 	}
+	if s.Version != nil && len(*s.Version) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Version", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -14334,9 +14451,15 @@ func (s *GetCampaignVersionsInput) Validate() error {
 	if s.ApplicationId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ApplicationId"))
 	}
+	if s.ApplicationId != nil && len(*s.ApplicationId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ApplicationId", 1))
+	}
 	if s.CampaignId == nil {
 		invalidParams.Add(request.NewErrParamRequired("CampaignId"))
 	}
+	if s.CampaignId != nil && len(*s.CampaignId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("CampaignId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -14420,6 +14543,9 @@ func (s *GetCampaignsInput) Validate() error {
 	if s.ApplicationId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ApplicationId"))
 	}
+	if s.ApplicationId != nil && len(*s.ApplicationId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ApplicationId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -14493,6 +14619,9 @@ func (s *GetChannelsInput) Validate() error {
 	if s.ApplicationId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ApplicationId"))
 	}
+	if s.ApplicationId != nil && len(*s.ApplicationId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ApplicationId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -14554,6 +14683,9 @@ func (s *GetEmailChannelInput) Validate() error {
 	if s.ApplicationId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ApplicationId"))
 	}
+	if s.ApplicationId != nil && len(*s.ApplicationId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ApplicationId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -14618,9 +14750,15 @@ func (s *GetEndpointInput) Validate() error {
 	if s.ApplicationId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ApplicationId"))
 	}
+	if s.ApplicationId != nil && len(*s.ApplicationId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ApplicationId", 1))
+	}
 	if s.EndpointId == nil {
 		invalidParams.Add(request.NewErrParamRequired("EndpointId"))
 	}
+	if s.EndpointId != nil && len(*s.EndpointId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("EndpointId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -14688,6 +14826,9 @@ func (s *GetEventStreamInput) Validate() error {
 	if s.ApplicationId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ApplicationId"))
 	}
+	if s.ApplicationId != nil && len(*s.ApplicationId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ApplicationId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -14752,9 +14893,15 @@ func (s *GetExportJobInput) Validate() error {
 	if s.ApplicationId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ApplicationId"))
 	}
+	if s.ApplicationId != nil && len(*s.ApplicationId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ApplicationId", 1))
+	}
 	if s.JobId == nil {
 		invalidParams.Add(request.NewErrParamRequired("JobId"))
 	}
+	if s.JobId != nil && len(*s.JobId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("JobId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -14826,6 +14973,9 @@ func (s *GetExportJobsInput) Validate() error {
 	if s.ApplicationId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ApplicationId"))
 	}
+	if s.ApplicationId != nil && len(*s.ApplicationId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ApplicationId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -14899,6 +15049,9 @@ func (s *GetGcmChannelInput) Validate() error {
 	if s.ApplicationId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ApplicationId"))
 	}
+	if s.ApplicationId != nil && len(*s.ApplicationId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ApplicationId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -14963,9 +15116,15 @@ func (s *GetImportJobInput) Validate() error {
 	if s.ApplicationId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ApplicationId"))
 	}
+	if s.ApplicationId != nil && len(*s.ApplicationId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ApplicationId", 1))
+	}
 	if s.JobId == nil {
 		invalidParams.Add(request.NewErrParamRequired("JobId"))
 	}
+	if s.JobId != nil && len(*s.JobId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("JobId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -15037,6 +15196,9 @@ func (s *GetImportJobsInput) Validate() error {
 	if s.ApplicationId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ApplicationId"))
 	}
+	if s.ApplicationId != nil && len(*s.ApplicationId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ApplicationId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -15117,9 +15279,15 @@ func (s *GetSegmentExportJobsInput) Validate() error {
 	if s.ApplicationId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ApplicationId"))
 	}
+	if s.ApplicationId != nil && len(*s.ApplicationId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ApplicationId", 1))
+	}
 	if s.SegmentId == nil {
 		invalidParams.Add(request.NewErrParamRequired("SegmentId"))
 	}
+	if s.SegmentId != nil && len(*s.SegmentId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("SegmentId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -15206,9 +15374,15 @@ func (s *GetSegmentImportJobsInput) Validate() error {
 	if s.ApplicationId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ApplicationId"))
 	}
+	if s.ApplicationId != nil && len(*s.ApplicationId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ApplicationId", 1))
+	}
 	if s.SegmentId == nil {
 		invalidParams.Add(request.NewErrParamRequired("SegmentId"))
 	}
+	if s.SegmentId != nil && len(*s.SegmentId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("SegmentId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -15291,9 +15465,15 @@ func (s *GetSegmentInput) Validate() error {
 	if s.ApplicationId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ApplicationId"))
 	}
+	if s.ApplicationId != nil && len(*s.ApplicationId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ApplicationId", 1))
+	}
 	if s.SegmentId == nil {
 		invalidParams.Add(request.NewErrParamRequired("SegmentId"))
 	}
+	if s.SegmentId != nil && len(*s.SegmentId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("SegmentId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -15367,12 +15547,21 @@ func (s *GetSegmentVersionInput) Validate() error {
 	if s.ApplicationId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ApplicationId"))
 	}
+	if s.ApplicationId != nil && len(*s.ApplicationId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ApplicationId", 1))
+	}
 	if s.SegmentId == nil {
 		invalidParams.Add(request.NewErrParamRequired("SegmentId"))
 	}
+	if s.SegmentId != nil && len(*s.SegmentId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("SegmentId", 1))
+	}
 	if s.Version == nil {
 		invalidParams.Add(request.NewErrParamRequired("Version"))
 	}
+	if s.Version != nil && len(*s.Version) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Version", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -15453,9 +15642,15 @@ func (s *GetSegmentVersionsInput) Validate() error {
 	if s.ApplicationId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ApplicationId"))
 	}
+	if s.ApplicationId != nil && len(*s.ApplicationId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ApplicationId", 1))
+	}
 	if s.SegmentId == nil {
 		invalidParams.Add(request.NewErrParamRequired("SegmentId"))
 	}
+	if s.SegmentId != nil && len(*s.SegmentId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("SegmentId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -15539,6 +15734,9 @@ func (s *GetSegmentsInput) Validate() error {
 	if s.ApplicationId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ApplicationId"))
 	}
+	if s.ApplicationId != nil && len(*s.ApplicationId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ApplicationId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -15612,6 +15810,9 @@ func (s *GetSmsChannelInput) Validate() error {
 	if s.ApplicationId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ApplicationId"))
 	}
+	if s.ApplicationId != nil && len(*s.ApplicationId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ApplicationId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -15676,9 +15877,15 @@ func (s *GetUserEndpointsInput) Validate() error {
 	if s.ApplicationId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ApplicationId"))
 	}
+	if s.ApplicationId != nil && len(*s.ApplicationId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ApplicationId", 1))
+	}
 	if s.UserId == nil {
 		invalidParams.Add(request.NewErrParamRequired("UserId"))
 	}
+	if s.UserId != nil && len(*s.UserId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("UserId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -15746,6 +15953,9 @@ func (s *GetVoiceChannelInput) Validate() error {
 	if s.ApplicationId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ApplicationId"))
 	}
+	if s.ApplicationId != nil && len(*s.ApplicationId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ApplicationId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -17061,6 +17271,9 @@ func (s *PutEventStreamInput) Validate() error {
 	if s.ApplicationId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ApplicationId"))
 	}
+	if s.ApplicationId != nil && len(*s.ApplicationId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ApplicationId", 1))
+	}
 	if s.WriteEventStream == nil {
 		invalidParams.Add(request.NewErrParamRequired("WriteEventStream"))
 	}
@@ -17136,6 +17349,9 @@ func (s *PutEventsInput) Validate() error {
 	if s.ApplicationId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ApplicationId"))
 	}
+	if s.ApplicationId != nil && len(*s.ApplicationId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ApplicationId", 1))
+	}
 	if s.EventsRequest == nil {
 		invalidParams.Add(request.NewErrParamRequired("EventsRequest"))
 	}
@@ -17315,9 +17531,15 @@ func (s *RemoveAttributesInput) Validate() error {
 	if s.ApplicationId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ApplicationId"))
 	}
+	if s.ApplicationId != nil && len(*s.ApplicationId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ApplicationId", 1))
+	}
 	if s.AttributeType == nil {
 		invalidParams.Add(request.NewErrParamRequired("AttributeType"))
 	}
+	if s.AttributeType != nil && len(*s.AttributeType) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("AttributeType", 1))
+	}
 	if s.UpdateAttributesRequest == nil {
 		invalidParams.Add(request.NewErrParamRequired("UpdateAttributesRequest"))
 	}
@@ -18294,6 +18516,9 @@ func (s *SendMessagesInput) Validate() error {
 	if s.ApplicationId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ApplicationId"))
 	}
+	if s.ApplicationId != nil && len(*s.ApplicationId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ApplicationId", 1))
+	}
 	if s.MessageRequest == nil {
 		invalidParams.Add(request.NewErrParamRequired("MessageRequest"))
 	}
@@ -18471,6 +18696,9 @@ func (s *SendUsersMessagesInput) Validate() error {
 	if s.ApplicationId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ApplicationId"))
 	}
+	if s.ApplicationId != nil && len(*s.ApplicationId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ApplicationId", 1))
+	}
 	if s.SendUsersMessageRequest == nil {
 		invalidParams.Add(request.NewErrParamRequired("SendUsersMessageRequest"))
 	}
@@ -18794,6 +19022,9 @@ func (s *UpdateAdmChannelInput) Validate() error {
 	if s.ApplicationId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ApplicationId"))
 	}
+	if s.ApplicationId != nil && len(*s.ApplicationId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ApplicationId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -18869,6 +19100,9 @@ func (s *UpdateApnsChannelInput) Validate() error {
 	if s.ApplicationId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ApplicationId"))
 	}
+	if s.ApplicationId != nil && len(*s.ApplicationId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ApplicationId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -18944,6 +19178,9 @@ func (s *UpdateApnsSandboxChannelInput) Validate() error {
 	if s.ApplicationId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ApplicationId"))
 	}
+	if s.ApplicationId != nil && len(*s.ApplicationId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ApplicationId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -19019,6 +19256,9 @@ func (s *UpdateApnsVoipChannelInput) Validate() error {
 	if s.ApplicationId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ApplicationId"))
 	}
+	if s.ApplicationId != nil && len(*s.ApplicationId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ApplicationId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -19094,6 +19334,9 @@ func (s *UpdateApnsVoipSandboxChannelInput) Validate() error {
 	if s.ApplicationId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ApplicationId"))
 	}
+	if s.ApplicationId != nil && len(*s.ApplicationId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ApplicationId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -19166,6 +19409,9 @@ func (s *UpdateApplicationSettingsInput) Validate() error {
 	if s.ApplicationId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ApplicationId"))
 	}
+	if s.ApplicationId != nil && len(*s.ApplicationId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ApplicationId", 1))
+	}
 	if s.WriteApplicationSettingsRequest == nil {
 		invalidParams.Add(request.NewErrParamRequired("WriteApplicationSettingsRequest"))
 	}
@@ -19265,6 +19511,9 @@ func (s *UpdateBaiduChannelInput) Validate() error {
 	if s.ApplicationId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ApplicationId"))
 	}
+	if s.ApplicationId != nil && len(*s.ApplicationId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ApplicationId", 1))
+	}
 	if s.BaiduChannelRequest == nil {
 		invalidParams.Add(request.NewErrParamRequired("BaiduChannelRequest"))
 	}
@@ -19343,9 +19592,15 @@ func (s *UpdateCampaignInput) Validate() error {
 	if s.ApplicationId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ApplicationId"))
 	}
+	if s.ApplicationId != nil && len(*s.ApplicationId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ApplicationId", 1))
+	}
 	if s.CampaignId == nil {
 		invalidParams.Add(request.NewErrParamRequired("CampaignId"))
 	}
+	if s.CampaignId != nil && len(*s.CampaignId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("CampaignId", 1))
+	}
 	if s.WriteCampaignRequest == nil {
 		invalidParams.Add(request.NewErrParamRequired("WriteCampaignRequest"))
 	}
@@ -19427,6 +19682,9 @@ func (s *UpdateEmailChannelInput) Validate() error {
 	if s.ApplicationId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ApplicationId"))
 	}
+	if s.ApplicationId != nil && len(*s.ApplicationId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ApplicationId", 1))
+	}
 	if s.EmailChannelRequest == nil {
 		invalidParams.Add(request.NewErrParamRequired("EmailChannelRequest"))
 	}
@@ -19505,9 +19763,15 @@ func (s *UpdateEndpointInput) Validate() error {
 	if s.ApplicationId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ApplicationId"))
 	}
+	if s.ApplicationId != nil && len(*s.ApplicationId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ApplicationId", 1))
+	}
 	if s.EndpointId == nil {
 		invalidParams.Add(request.NewErrParamRequired("EndpointId"))
 	}
+	if s.EndpointId != nil && len(*s.EndpointId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("EndpointId", 1))
+	}
 	if s.EndpointRequest == nil {
 		invalidParams.Add(request.NewErrParamRequired("EndpointRequest"))
 	}
@@ -19589,6 +19853,9 @@ func (s *UpdateEndpointsBatchInput) Validate() error {
 	if s.ApplicationId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ApplicationId"))
 	}
+	if s.ApplicationId != nil && len(*s.ApplicationId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ApplicationId", 1))
+	}
 	if s.EndpointBatchRequest == nil {
 		invalidParams.Add(request.NewErrParamRequired("EndpointBatchRequest"))
 	}
@@ -19664,6 +19931,9 @@ func (s *UpdateGcmChannelInput) Validate() error {
 	if s.ApplicationId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ApplicationId"))
 	}
+	if s.ApplicationId != nil && len(*s.ApplicationId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ApplicationId", 1))
+	}
 	if s.GCMChannelRequest == nil {
 		invalidParams.Add(request.NewErrParamRequired("GCMChannelRequest"))
 	}
@@ -19742,9 +20012,15 @@ func (s *UpdateSegmentInput) Validate() error {
 	if s.ApplicationId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ApplicationId"))
 	}
+	if s.ApplicationId != nil && len(*s.ApplicationId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ApplicationId", 1))
+	}
 	if s.SegmentId == nil {
 		invalidParams.Add(request.NewErrParamRequired("SegmentId"))
 	}
+	if s.SegmentId != nil && len(*s.SegmentId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("SegmentId", 1))
+	}
 	if s.WriteSegmentRequest == nil {
 		invalidParams.Add(request.NewErrParamRequired("WriteSegmentRequest"))
 	}
@@ -19826,6 +20102,9 @@ func (s *UpdateSmsChannelInput) Validate() error {
 	if s.ApplicationId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ApplicationId"))
 	}
+	if s.ApplicationId != nil && len(*s.ApplicationId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ApplicationId", 1))
+	}
 	if s.SMSChannelRequest == nil {
 		invalidParams.Add(request.NewErrParamRequired("SMSChannelRequest"))
 	}
@@ -19901,6 +20180,9 @@ func (s *UpdateVoiceChannelInput) Validate() error {
 	if s.ApplicationId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ApplicationId"))
 	}
+	if s.ApplicationId != nil && len(*s.ApplicationId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ApplicationId", 1))
+	}
 	if s.VoiceChannelRequest == nil {
 		invalidParams.Add(request.NewErrParamRequired("VoiceChannelRequest"))
 	}
diff --git a/service/pinpointemail/api.go b/service/pinpointemail/api.go
index d7a3288cf82..ff363b33b37 100644
--- a/service/pinpointemail/api.go
+++ b/service/pinpointemail/api.go
@@ -3201,6 +3201,9 @@ func (s *CreateConfigurationSetEventDestinationInput) Validate() error {
 	if s.ConfigurationSetName == nil {
 		invalidParams.Add(request.NewErrParamRequired("ConfigurationSetName"))
 	}
+	if s.ConfigurationSetName != nil && len(*s.ConfigurationSetName) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ConfigurationSetName", 1))
+	}
 	if s.EventDestination == nil {
 		invalidParams.Add(request.NewErrParamRequired("EventDestination"))
 	}
@@ -3592,9 +3595,15 @@ func (s *DeleteConfigurationSetEventDestinationInput) Validate() error {
 	if s.ConfigurationSetName == nil {
 		invalidParams.Add(request.NewErrParamRequired("ConfigurationSetName"))
 	}
+	if s.ConfigurationSetName != nil && len(*s.ConfigurationSetName) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ConfigurationSetName", 1))
+	}
 	if s.EventDestinationName == nil {
 		invalidParams.Add(request.NewErrParamRequired("EventDestinationName"))
 	}
+	if s.EventDestinationName != nil && len(*s.EventDestinationName) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("EventDestinationName", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -3656,6 +3665,9 @@ func (s *DeleteConfigurationSetInput) Validate() error {
 	if s.ConfigurationSetName == nil {
 		invalidParams.Add(request.NewErrParamRequired("ConfigurationSetName"))
 	}
+	if s.ConfigurationSetName != nil && len(*s.ConfigurationSetName) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ConfigurationSetName", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -3711,6 +3723,9 @@ func (s *DeleteDedicatedIpPoolInput) Validate() error {
 	if s.PoolName == nil {
 		invalidParams.Add(request.NewErrParamRequired("PoolName"))
 	}
+	if s.PoolName != nil && len(*s.PoolName) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("PoolName", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -3770,6 +3785,9 @@ func (s *DeleteEmailIdentityInput) Validate() error {
 	if s.EmailIdentity == nil {
 		invalidParams.Add(request.NewErrParamRequired("EmailIdentity"))
 	}
+	if s.EmailIdentity != nil && len(*s.EmailIdentity) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("EmailIdentity", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -4352,6 +4370,9 @@ func (s *GetConfigurationSetEventDestinationsInput) Validate() error {
 	if s.ConfigurationSetName == nil {
 		invalidParams.Add(request.NewErrParamRequired("ConfigurationSetName"))
 	}
+	if s.ConfigurationSetName != nil && len(*s.ConfigurationSetName) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ConfigurationSetName", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -4417,6 +4438,9 @@ func (s *GetConfigurationSetInput) Validate() error {
 	if s.ConfigurationSetName == nil {
 		invalidParams.Add(request.NewErrParamRequired("ConfigurationSetName"))
 	}
+	if s.ConfigurationSetName != nil && len(*s.ConfigurationSetName) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ConfigurationSetName", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -4522,6 +4546,9 @@ func (s *GetDedicatedIpInput) Validate() error {
 	if s.Ip == nil {
 		invalidParams.Add(request.NewErrParamRequired("Ip"))
 	}
+	if s.Ip != nil && len(*s.Ip) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Ip", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -4668,6 +4695,9 @@ func (s *GetEmailIdentityInput) Validate() error {
 	if s.EmailIdentity == nil {
 		invalidParams.Add(request.NewErrParamRequired("EmailIdentity"))
 	}
+	if s.EmailIdentity != nil && len(*s.EmailIdentity) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("EmailIdentity", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -5441,6 +5471,9 @@ func (s *PutConfigurationSetDeliveryOptionsInput) Validate() error {
 	if s.ConfigurationSetName == nil {
 		invalidParams.Add(request.NewErrParamRequired("ConfigurationSetName"))
 	}
+	if s.ConfigurationSetName != nil && len(*s.ConfigurationSetName) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ConfigurationSetName", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -5509,6 +5542,9 @@ func (s *PutConfigurationSetReputationOptionsInput) Validate() error {
 	if s.ConfigurationSetName == nil {
 		invalidParams.Add(request.NewErrParamRequired("ConfigurationSetName"))
 	}
+	if s.ConfigurationSetName != nil && len(*s.ConfigurationSetName) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ConfigurationSetName", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -5576,6 +5612,9 @@ func (s *PutConfigurationSetSendingOptionsInput) Validate() error {
 	if s.ConfigurationSetName == nil {
 		invalidParams.Add(request.NewErrParamRequired("ConfigurationSetName"))
 	}
+	if s.ConfigurationSetName != nil && len(*s.ConfigurationSetName) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ConfigurationSetName", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -5642,6 +5681,9 @@ func (s *PutConfigurationSetTrackingOptionsInput) Validate() error {
 	if s.ConfigurationSetName == nil {
 		invalidParams.Add(request.NewErrParamRequired("ConfigurationSetName"))
 	}
+	if s.ConfigurationSetName != nil && len(*s.ConfigurationSetName) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ConfigurationSetName", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -5714,6 +5756,9 @@ func (s *PutDedicatedIpInPoolInput) Validate() error {
 	if s.Ip == nil {
 		invalidParams.Add(request.NewErrParamRequired("Ip"))
 	}
+	if s.Ip != nil && len(*s.Ip) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Ip", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -5780,6 +5825,9 @@ func (s *PutDedicatedIpWarmupAttributesInput) Validate() error {
 	if s.Ip == nil {
 		invalidParams.Add(request.NewErrParamRequired("Ip"))
 	}
+	if s.Ip != nil && len(*s.Ip) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Ip", 1))
+	}
 	if s.WarmupPercentage == nil {
 		invalidParams.Add(request.NewErrParamRequired("WarmupPercentage"))
 	}
@@ -5852,6 +5900,9 @@ func (s *PutEmailIdentityDkimAttributesInput) Validate() error {
 	if s.EmailIdentity == nil {
 		invalidParams.Add(request.NewErrParamRequired("EmailIdentity"))
 	}
+	if s.EmailIdentity != nil && len(*s.EmailIdentity) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("EmailIdentity", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -5930,6 +5981,9 @@ func (s *PutEmailIdentityFeedbackAttributesInput) Validate() error {
 	if s.EmailIdentity == nil {
 		invalidParams.Add(request.NewErrParamRequired("EmailIdentity"))
 	}
+	if s.EmailIdentity != nil && len(*s.EmailIdentity) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("EmailIdentity", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -6013,6 +6067,9 @@ func (s *PutEmailIdentityMailFromAttributesInput) Validate() error {
 	if s.EmailIdentity == nil {
 		invalidParams.Add(request.NewErrParamRequired("EmailIdentity"))
 	}
+	if s.EmailIdentity != nil && len(*s.EmailIdentity) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("EmailIdentity", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -6502,12 +6559,18 @@ func (s *UpdateConfigurationSetEventDestinationInput) Validate() error {
 	if s.ConfigurationSetName == nil {
 		invalidParams.Add(request.NewErrParamRequired("ConfigurationSetName"))
 	}
+	if s.ConfigurationSetName != nil && len(*s.ConfigurationSetName) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ConfigurationSetName", 1))
+	}
 	if s.EventDestination == nil {
 		invalidParams.Add(request.NewErrParamRequired("EventDestination"))
 	}
 	if s.EventDestinationName == nil {
 		invalidParams.Add(request.NewErrParamRequired("EventDestinationName"))
 	}
+	if s.EventDestinationName != nil && len(*s.EventDestinationName) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("EventDestinationName", 1))
+	}
 	if s.EventDestination != nil {
 		if err := s.EventDestination.Validate(); err != nil {
 			invalidParams.AddNested("EventDestination", err.(request.ErrInvalidParams))
diff --git a/service/pinpointsmsvoice/api.go b/service/pinpointsmsvoice/api.go
index b6297396fcd..1e12da39c8a 100644
--- a/service/pinpointsmsvoice/api.go
+++ b/service/pinpointsmsvoice/api.go
@@ -712,6 +712,9 @@ func (s *CreateConfigurationSetEventDestinationInput) Validate() error {
 	if s.ConfigurationSetName == nil {
 		invalidParams.Add(request.NewErrParamRequired("ConfigurationSetName"))
 	}
+	if s.ConfigurationSetName != nil && len(*s.ConfigurationSetName) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ConfigurationSetName", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -818,9 +821,15 @@ func (s *DeleteConfigurationSetEventDestinationInput) Validate() error {
 	if s.ConfigurationSetName == nil {
 		invalidParams.Add(request.NewErrParamRequired("ConfigurationSetName"))
 	}
+	if s.ConfigurationSetName != nil && len(*s.ConfigurationSetName) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ConfigurationSetName", 1))
+	}
 	if s.EventDestinationName == nil {
 		invalidParams.Add(request.NewErrParamRequired("EventDestinationName"))
 	}
+	if s.EventDestinationName != nil && len(*s.EventDestinationName) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("EventDestinationName", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -878,6 +887,9 @@ func (s *DeleteConfigurationSetInput) Validate() error {
 	if s.ConfigurationSetName == nil {
 		invalidParams.Add(request.NewErrParamRequired("ConfigurationSetName"))
 	}
+	if s.ConfigurationSetName != nil && len(*s.ConfigurationSetName) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ConfigurationSetName", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -1050,6 +1062,9 @@ func (s *GetConfigurationSetEventDestinationsInput) Validate() error {
 	if s.ConfigurationSetName == nil {
 		invalidParams.Add(request.NewErrParamRequired("ConfigurationSetName"))
 	}
+	if s.ConfigurationSetName != nil && len(*s.ConfigurationSetName) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ConfigurationSetName", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -1330,9 +1345,15 @@ func (s *UpdateConfigurationSetEventDestinationInput) Validate() error {
 	if s.ConfigurationSetName == nil {
 		invalidParams.Add(request.NewErrParamRequired("ConfigurationSetName"))
 	}
+	if s.ConfigurationSetName != nil && len(*s.ConfigurationSetName) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ConfigurationSetName", 1))
+	}
 	if s.EventDestinationName == nil {
 		invalidParams.Add(request.NewErrParamRequired("EventDestinationName"))
 	}
+	if s.EventDestinationName != nil && len(*s.EventDestinationName) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("EventDestinationName", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
diff --git a/service/polly/api.go b/service/polly/api.go
index f3d801dfb6c..8d0fc83888b 100644
--- a/service/polly/api.go
+++ b/service/polly/api.go
@@ -979,6 +979,9 @@ func (s *DeleteLexiconInput) Validate() error {
 	if s.Name == nil {
 		invalidParams.Add(request.NewErrParamRequired("Name"))
 	}
+	if s.Name != nil && len(*s.Name) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Name", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -1112,6 +1115,9 @@ func (s *GetLexiconInput) Validate() error {
 	if s.Name == nil {
 		invalidParams.Add(request.NewErrParamRequired("Name"))
 	}
+	if s.Name != nil && len(*s.Name) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Name", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -1546,6 +1552,9 @@ func (s *PutLexiconInput) Validate() error {
 	if s.Name == nil {
 		invalidParams.Add(request.NewErrParamRequired("Name"))
 	}
+	if s.Name != nil && len(*s.Name) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Name", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
diff --git a/service/quicksight/api.go b/service/quicksight/api.go
index 29ee8a9b406..2ce0d951e4b 100644
--- a/service/quicksight/api.go
+++ b/service/quicksight/api.go
@@ -1613,6 +1613,9 @@ func (s *CreateGroupInput) Validate() error {
 	if s.Namespace == nil {
 		invalidParams.Add(request.NewErrParamRequired("Namespace"))
 	}
+	if s.Namespace != nil && len(*s.Namespace) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Namespace", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -1703,6 +1706,9 @@ func (s *CreateGroupMembershipInput) Validate() error {
 	if s.Namespace == nil {
 		invalidParams.Add(request.NewErrParamRequired("Namespace"))
 	}
+	if s.Namespace != nil && len(*s.Namespace) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Namespace", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -1865,6 +1871,9 @@ func (s *DeleteGroupInput) Validate() error {
 	if s.Namespace == nil {
 		invalidParams.Add(request.NewErrParamRequired("Namespace"))
 	}
+	if s.Namespace != nil && len(*s.Namespace) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Namespace", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -1949,6 +1958,9 @@ func (s *DeleteGroupMembershipInput) Validate() error {
 	if s.Namespace == nil {
 		invalidParams.Add(request.NewErrParamRequired("Namespace"))
 	}
+	if s.Namespace != nil && len(*s.Namespace) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Namespace", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -2086,6 +2098,9 @@ func (s *DeleteUserInput) Validate() error {
 	if s.Namespace == nil {
 		invalidParams.Add(request.NewErrParamRequired("Namespace"))
 	}
+	if s.Namespace != nil && len(*s.Namespace) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Namespace", 1))
+	}
 	if s.UserName == nil {
 		invalidParams.Add(request.NewErrParamRequired("UserName"))
 	}
@@ -2197,6 +2212,9 @@ func (s *DescribeGroupInput) Validate() error {
 	if s.Namespace == nil {
 		invalidParams.Add(request.NewErrParamRequired("Namespace"))
 	}
+	if s.Namespace != nil && len(*s.Namespace) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Namespace", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -2305,6 +2323,9 @@ func (s *DescribeUserInput) Validate() error {
 	if s.Namespace == nil {
 		invalidParams.Add(request.NewErrParamRequired("Namespace"))
 	}
+	if s.Namespace != nil && len(*s.Namespace) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Namespace", 1))
+	}
 	if s.UserName == nil {
 		invalidParams.Add(request.NewErrParamRequired("UserName"))
 	}
@@ -2430,6 +2451,9 @@ func (s *GetDashboardEmbedUrlInput) Validate() error {
 	if s.DashboardId == nil {
 		invalidParams.Add(request.NewErrParamRequired("DashboardId"))
 	}
+	if s.DashboardId != nil && len(*s.DashboardId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("DashboardId", 1))
+	}
 	if s.IdentityType == nil {
 		invalidParams.Add(request.NewErrParamRequired("IdentityType"))
 	}
@@ -2658,6 +2682,9 @@ func (s *ListGroupMembershipsInput) Validate() error {
 	if s.Namespace == nil {
 		invalidParams.Add(request.NewErrParamRequired("Namespace"))
 	}
+	if s.Namespace != nil && len(*s.Namespace) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Namespace", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -2791,6 +2818,9 @@ func (s *ListGroupsInput) Validate() error {
 	if s.Namespace == nil {
 		invalidParams.Add(request.NewErrParamRequired("Namespace"))
 	}
+	if s.Namespace != nil && len(*s.Namespace) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Namespace", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -2923,6 +2953,9 @@ func (s *ListUserGroupsInput) Validate() error {
 	if s.Namespace == nil {
 		invalidParams.Add(request.NewErrParamRequired("Namespace"))
 	}
+	if s.Namespace != nil && len(*s.Namespace) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Namespace", 1))
+	}
 	if s.UserName == nil {
 		invalidParams.Add(request.NewErrParamRequired("UserName"))
 	}
@@ -3062,6 +3095,9 @@ func (s *ListUsersInput) Validate() error {
 	if s.Namespace == nil {
 		invalidParams.Add(request.NewErrParamRequired("Namespace"))
 	}
+	if s.Namespace != nil && len(*s.Namespace) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Namespace", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -3229,6 +3265,9 @@ func (s *RegisterUserInput) Validate() error {
 	if s.Namespace == nil {
 		invalidParams.Add(request.NewErrParamRequired("Namespace"))
 	}
+	if s.Namespace != nil && len(*s.Namespace) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Namespace", 1))
+	}
 	if s.UserName != nil && len(*s.UserName) < 1 {
 		invalidParams.Add(request.NewErrParamMinLen("UserName", 1))
 	}
@@ -3385,6 +3424,9 @@ func (s *UpdateGroupInput) Validate() error {
 	if s.Namespace == nil {
 		invalidParams.Add(request.NewErrParamRequired("Namespace"))
 	}
+	if s.Namespace != nil && len(*s.Namespace) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Namespace", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -3520,6 +3562,9 @@ func (s *UpdateUserInput) Validate() error {
 	if s.Namespace == nil {
 		invalidParams.Add(request.NewErrParamRequired("Namespace"))
 	}
+	if s.Namespace != nil && len(*s.Namespace) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Namespace", 1))
+	}
 	if s.Role == nil {
 		invalidParams.Add(request.NewErrParamRequired("Role"))
 	}
diff --git a/service/rds/examples_test.go b/service/rds/examples_test.go
index c3ebdef42fe..a610ccea6fb 100644
--- a/service/rds/examples_test.go
+++ b/service/rds/examples_test.go
@@ -1289,7 +1289,7 @@ func ExampleRDS_DescribeDBClusterParameters_shared00() {
 	svc := rds.New(session.New())
 	input := &rds.DescribeDBClusterParametersInput{
 		DBClusterParameterGroupName: aws.String("mydbclusterparametergroup"),
-		Source: aws.String("system"),
+		Source:                      aws.String("system"),
 	}
 
 	result, err := svc.DescribeDBClusterParameters(input)
diff --git a/service/resourcegroups/api.go b/service/resourcegroups/api.go
index 323d41878a7..3343d13d4c7 100644
--- a/service/resourcegroups/api.go
+++ b/service/resourcegroups/api.go
@@ -1670,6 +1670,9 @@ func (s *GetTagsInput) Validate() error {
 	if s.Arn == nil {
 		invalidParams.Add(request.NewErrParamRequired("Arn"))
 	}
+	if s.Arn != nil && len(*s.Arn) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Arn", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -2506,6 +2509,9 @@ func (s *TagInput) Validate() error {
 	if s.Arn == nil {
 		invalidParams.Add(request.NewErrParamRequired("Arn"))
 	}
+	if s.Arn != nil && len(*s.Arn) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Arn", 1))
+	}
 	if s.Tags == nil {
 		invalidParams.Add(request.NewErrParamRequired("Tags"))
 	}
@@ -2590,6 +2596,9 @@ func (s *UntagInput) Validate() error {
 	if s.Arn == nil {
 		invalidParams.Add(request.NewErrParamRequired("Arn"))
 	}
+	if s.Arn != nil && len(*s.Arn) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Arn", 1))
+	}
 	if s.Keys == nil {
 		invalidParams.Add(request.NewErrParamRequired("Keys"))
 	}
diff --git a/service/route53/api.go b/service/route53/api.go
index 7672212114e..e1d4d017913 100644
--- a/service/route53/api.go
+++ b/service/route53/api.go
@@ -6239,6 +6239,9 @@ func (s *AssociateVPCWithHostedZoneInput) Validate() error {
 	if s.HostedZoneId == nil {
 		invalidParams.Add(request.NewErrParamRequired("HostedZoneId"))
 	}
+	if s.HostedZoneId != nil && len(*s.HostedZoneId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("HostedZoneId", 1))
+	}
 	if s.VPC == nil {
 		invalidParams.Add(request.NewErrParamRequired("VPC"))
 	}
@@ -6534,6 +6537,9 @@ func (s *ChangeResourceRecordSetsInput) Validate() error {
 	if s.HostedZoneId == nil {
 		invalidParams.Add(request.NewErrParamRequired("HostedZoneId"))
 	}
+	if s.HostedZoneId != nil && len(*s.HostedZoneId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("HostedZoneId", 1))
+	}
 	if s.ChangeBatch != nil {
 		if err := s.ChangeBatch.Validate(); err != nil {
 			invalidParams.AddNested("ChangeBatch", err.(request.ErrInvalidParams))
@@ -6641,9 +6647,15 @@ func (s *ChangeTagsForResourceInput) Validate() error {
 	if s.ResourceId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ResourceId"))
 	}
+	if s.ResourceId != nil && len(*s.ResourceId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ResourceId", 1))
+	}
 	if s.ResourceType == nil {
 		invalidParams.Add(request.NewErrParamRequired("ResourceType"))
 	}
+	if s.ResourceType != nil && len(*s.ResourceType) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ResourceType", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -7685,6 +7697,9 @@ func (s *CreateVPCAssociationAuthorizationInput) Validate() error {
 	if s.HostedZoneId == nil {
 		invalidParams.Add(request.NewErrParamRequired("HostedZoneId"))
 	}
+	if s.HostedZoneId != nil && len(*s.HostedZoneId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("HostedZoneId", 1))
+	}
 	if s.VPC == nil {
 		invalidParams.Add(request.NewErrParamRequired("VPC"))
 	}
@@ -7823,6 +7838,9 @@ func (s *DeleteHealthCheckInput) Validate() error {
 	if s.HealthCheckId == nil {
 		invalidParams.Add(request.NewErrParamRequired("HealthCheckId"))
 	}
+	if s.HealthCheckId != nil && len(*s.HealthCheckId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("HealthCheckId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -7877,6 +7895,9 @@ func (s *DeleteHostedZoneInput) Validate() error {
 	if s.Id == nil {
 		invalidParams.Add(request.NewErrParamRequired("Id"))
 	}
+	if s.Id != nil && len(*s.Id) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Id", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -7998,6 +8019,9 @@ func (s *DeleteReusableDelegationSetInput) Validate() error {
 	if s.Id == nil {
 		invalidParams.Add(request.NewErrParamRequired("Id"))
 	}
+	if s.Id != nil && len(*s.Id) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Id", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -8198,6 +8222,9 @@ func (s *DeleteVPCAssociationAuthorizationInput) Validate() error {
 	if s.HostedZoneId == nil {
 		invalidParams.Add(request.NewErrParamRequired("HostedZoneId"))
 	}
+	if s.HostedZoneId != nil && len(*s.HostedZoneId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("HostedZoneId", 1))
+	}
 	if s.VPC == nil {
 		invalidParams.Add(request.NewErrParamRequired("VPC"))
 	}
@@ -8316,6 +8343,9 @@ func (s *DisassociateVPCFromHostedZoneInput) Validate() error {
 	if s.HostedZoneId == nil {
 		invalidParams.Add(request.NewErrParamRequired("HostedZoneId"))
 	}
+	if s.HostedZoneId != nil && len(*s.HostedZoneId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("HostedZoneId", 1))
+	}
 	if s.VPC == nil {
 		invalidParams.Add(request.NewErrParamRequired("VPC"))
 	}
@@ -8560,6 +8590,9 @@ func (s *GetAccountLimitInput) Validate() error {
 	if s.Type == nil {
 		invalidParams.Add(request.NewErrParamRequired("Type"))
 	}
+	if s.Type != nil && len(*s.Type) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Type", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -8644,6 +8677,9 @@ func (s *GetChangeInput) Validate() error {
 	if s.Id == nil {
 		invalidParams.Add(request.NewErrParamRequired("Id"))
 	}
+	if s.Id != nil && len(*s.Id) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Id", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -8899,6 +8935,9 @@ func (s *GetHealthCheckInput) Validate() error {
 	if s.HealthCheckId == nil {
 		invalidParams.Add(request.NewErrParamRequired("HealthCheckId"))
 	}
+	if s.HealthCheckId != nil && len(*s.HealthCheckId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("HealthCheckId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -8944,6 +8983,9 @@ func (s *GetHealthCheckLastFailureReasonInput) Validate() error {
 	if s.HealthCheckId == nil {
 		invalidParams.Add(request.NewErrParamRequired("HealthCheckId"))
 	}
+	if s.HealthCheckId != nil && len(*s.HealthCheckId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("HealthCheckId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -9044,6 +9086,9 @@ func (s *GetHealthCheckStatusInput) Validate() error {
 	if s.HealthCheckId == nil {
 		invalidParams.Add(request.NewErrParamRequired("HealthCheckId"))
 	}
+	if s.HealthCheckId != nil && len(*s.HealthCheckId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("HealthCheckId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -9153,6 +9198,9 @@ func (s *GetHostedZoneInput) Validate() error {
 	if s.Id == nil {
 		invalidParams.Add(request.NewErrParamRequired("Id"))
 	}
+	if s.Id != nil && len(*s.Id) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Id", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -9204,9 +9252,15 @@ func (s *GetHostedZoneLimitInput) Validate() error {
 	if s.HostedZoneId == nil {
 		invalidParams.Add(request.NewErrParamRequired("HostedZoneId"))
 	}
+	if s.HostedZoneId != nil && len(*s.HostedZoneId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("HostedZoneId", 1))
+	}
 	if s.Type == nil {
 		invalidParams.Add(request.NewErrParamRequired("Type"))
 	}
+	if s.Type != nil && len(*s.Type) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Type", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -9411,6 +9465,9 @@ func (s *GetReusableDelegationSetInput) Validate() error {
 	if s.Id == nil {
 		invalidParams.Add(request.NewErrParamRequired("Id"))
 	}
+	if s.Id != nil && len(*s.Id) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Id", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -9458,9 +9515,15 @@ func (s *GetReusableDelegationSetLimitInput) Validate() error {
 	if s.DelegationSetId == nil {
 		invalidParams.Add(request.NewErrParamRequired("DelegationSetId"))
 	}
+	if s.DelegationSetId != nil && len(*s.DelegationSetId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("DelegationSetId", 1))
+	}
 	if s.Type == nil {
 		invalidParams.Add(request.NewErrParamRequired("Type"))
 	}
+	if s.Type != nil && len(*s.Type) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Type", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -11283,6 +11346,9 @@ func (s *ListResourceRecordSetsInput) Validate() error {
 	if s.HostedZoneId == nil {
 		invalidParams.Add(request.NewErrParamRequired("HostedZoneId"))
 	}
+	if s.HostedZoneId != nil && len(*s.HostedZoneId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("HostedZoneId", 1))
+	}
 	if s.StartRecordIdentifier != nil && len(*s.StartRecordIdentifier) < 1 {
 		invalidParams.Add(request.NewErrParamMinLen("StartRecordIdentifier", 1))
 	}
@@ -11566,9 +11632,15 @@ func (s *ListTagsForResourceInput) Validate() error {
 	if s.ResourceId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ResourceId"))
 	}
+	if s.ResourceId != nil && len(*s.ResourceId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ResourceId", 1))
+	}
 	if s.ResourceType == nil {
 		invalidParams.Add(request.NewErrParamRequired("ResourceType"))
 	}
+	if s.ResourceType != nil && len(*s.ResourceType) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ResourceType", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -11658,6 +11730,9 @@ func (s *ListTagsForResourcesInput) Validate() error {
 	if s.ResourceType == nil {
 		invalidParams.Add(request.NewErrParamRequired("ResourceType"))
 	}
+	if s.ResourceType != nil && len(*s.ResourceType) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ResourceType", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -12558,6 +12633,9 @@ func (s *ListVPCAssociationAuthorizationsInput) Validate() error {
 	if s.HostedZoneId == nil {
 		invalidParams.Add(request.NewErrParamRequired("HostedZoneId"))
 	}
+	if s.HostedZoneId != nil && len(*s.HostedZoneId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("HostedZoneId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -14274,6 +14352,9 @@ func (s *UpdateHealthCheckInput) Validate() error {
 	if s.HealthCheckId == nil {
 		invalidParams.Add(request.NewErrParamRequired("HealthCheckId"))
 	}
+	if s.HealthCheckId != nil && len(*s.HealthCheckId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("HealthCheckId", 1))
+	}
 	if s.HealthCheckVersion != nil && *s.HealthCheckVersion < 1 {
 		invalidParams.Add(request.NewErrParamMinValue("HealthCheckVersion", 1))
 	}
@@ -14452,6 +14533,9 @@ func (s *UpdateHostedZoneCommentInput) Validate() error {
 	if s.Id == nil {
 		invalidParams.Add(request.NewErrParamRequired("Id"))
 	}
+	if s.Id != nil && len(*s.Id) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Id", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
diff --git a/service/s3/api.go b/service/s3/api.go
index e2ab0c9ac6e..e483cd40700 100644
--- a/service/s3/api.go
+++ b/service/s3/api.go
@@ -7103,6 +7103,9 @@ func (s *AbortMultipartUploadInput) Validate() error {
 	if s.Bucket == nil {
 		invalidParams.Add(request.NewErrParamRequired("Bucket"))
 	}
+	if s.Bucket != nil && len(*s.Bucket) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Bucket", 1))
+	}
 	if s.Key == nil {
 		invalidParams.Add(request.NewErrParamRequired("Key"))
 	}
@@ -8105,6 +8108,9 @@ func (s *CompleteMultipartUploadInput) Validate() error {
 	if s.Bucket == nil {
 		invalidParams.Add(request.NewErrParamRequired("Bucket"))
 	}
+	if s.Bucket != nil && len(*s.Bucket) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Bucket", 1))
+	}
 	if s.Key == nil {
 		invalidParams.Add(request.NewErrParamRequired("Key"))
 	}
@@ -8541,6 +8547,9 @@ func (s *CopyObjectInput) Validate() error {
 	if s.Bucket == nil {
 		invalidParams.Add(request.NewErrParamRequired("Bucket"))
 	}
+	if s.Bucket != nil && len(*s.Bucket) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Bucket", 1))
+	}
 	if s.CopySource == nil {
 		invalidParams.Add(request.NewErrParamRequired("CopySource"))
 	}
@@ -9027,6 +9036,9 @@ func (s *CreateBucketInput) Validate() error {
 	if s.Bucket == nil {
 		invalidParams.Add(request.NewErrParamRequired("Bucket"))
 	}
+	if s.Bucket != nil && len(*s.Bucket) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Bucket", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -9232,6 +9244,9 @@ func (s *CreateMultipartUploadInput) Validate() error {
 	if s.Bucket == nil {
 		invalidParams.Add(request.NewErrParamRequired("Bucket"))
 	}
+	if s.Bucket != nil && len(*s.Bucket) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Bucket", 1))
+	}
 	if s.Key == nil {
 		invalidParams.Add(request.NewErrParamRequired("Key"))
 	}
@@ -9664,6 +9679,9 @@ func (s *DeleteBucketAnalyticsConfigurationInput) Validate() error {
 	if s.Bucket == nil {
 		invalidParams.Add(request.NewErrParamRequired("Bucket"))
 	}
+	if s.Bucket != nil && len(*s.Bucket) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Bucket", 1))
+	}
 	if s.Id == nil {
 		invalidParams.Add(request.NewErrParamRequired("Id"))
 	}
@@ -9730,6 +9748,9 @@ func (s *DeleteBucketCorsInput) Validate() error {
 	if s.Bucket == nil {
 		invalidParams.Add(request.NewErrParamRequired("Bucket"))
 	}
+	if s.Bucket != nil && len(*s.Bucket) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Bucket", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -9790,6 +9811,9 @@ func (s *DeleteBucketEncryptionInput) Validate() error {
 	if s.Bucket == nil {
 		invalidParams.Add(request.NewErrParamRequired("Bucket"))
 	}
+	if s.Bucket != nil && len(*s.Bucket) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Bucket", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -9847,6 +9871,9 @@ func (s *DeleteBucketInput) Validate() error {
 	if s.Bucket == nil {
 		invalidParams.Add(request.NewErrParamRequired("Bucket"))
 	}
+	if s.Bucket != nil && len(*s.Bucket) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Bucket", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -9897,6 +9924,9 @@ func (s *DeleteBucketInventoryConfigurationInput) Validate() error {
 	if s.Bucket == nil {
 		invalidParams.Add(request.NewErrParamRequired("Bucket"))
 	}
+	if s.Bucket != nil && len(*s.Bucket) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Bucket", 1))
+	}
 	if s.Id == nil {
 		invalidParams.Add(request.NewErrParamRequired("Id"))
 	}
@@ -9963,6 +9993,9 @@ func (s *DeleteBucketLifecycleInput) Validate() error {
 	if s.Bucket == nil {
 		invalidParams.Add(request.NewErrParamRequired("Bucket"))
 	}
+	if s.Bucket != nil && len(*s.Bucket) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Bucket", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -10027,6 +10060,9 @@ func (s *DeleteBucketMetricsConfigurationInput) Validate() error {
 	if s.Bucket == nil {
 		invalidParams.Add(request.NewErrParamRequired("Bucket"))
 	}
+	if s.Bucket != nil && len(*s.Bucket) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Bucket", 1))
+	}
 	if s.Id == nil {
 		invalidParams.Add(request.NewErrParamRequired("Id"))
 	}
@@ -10107,6 +10143,9 @@ func (s *DeleteBucketPolicyInput) Validate() error {
 	if s.Bucket == nil {
 		invalidParams.Add(request.NewErrParamRequired("Bucket"))
 	}
+	if s.Bucket != nil && len(*s.Bucket) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Bucket", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -10169,6 +10208,9 @@ func (s *DeleteBucketReplicationInput) Validate() error {
 	if s.Bucket == nil {
 		invalidParams.Add(request.NewErrParamRequired("Bucket"))
 	}
+	if s.Bucket != nil && len(*s.Bucket) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Bucket", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -10226,6 +10268,9 @@ func (s *DeleteBucketTaggingInput) Validate() error {
 	if s.Bucket == nil {
 		invalidParams.Add(request.NewErrParamRequired("Bucket"))
 	}
+	if s.Bucket != nil && len(*s.Bucket) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Bucket", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -10283,6 +10328,9 @@ func (s *DeleteBucketWebsiteInput) Validate() error {
 	if s.Bucket == nil {
 		invalidParams.Add(request.NewErrParamRequired("Bucket"))
 	}
+	if s.Bucket != nil && len(*s.Bucket) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Bucket", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -10446,6 +10494,9 @@ func (s *DeleteObjectInput) Validate() error {
 	if s.Bucket == nil {
 		invalidParams.Add(request.NewErrParamRequired("Bucket"))
 	}
+	if s.Bucket != nil && len(*s.Bucket) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Bucket", 1))
+	}
 	if s.Key == nil {
 		invalidParams.Add(request.NewErrParamRequired("Key"))
 	}
@@ -10575,6 +10626,9 @@ func (s *DeleteObjectTaggingInput) Validate() error {
 	if s.Bucket == nil {
 		invalidParams.Add(request.NewErrParamRequired("Bucket"))
 	}
+	if s.Bucket != nil && len(*s.Bucket) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Bucket", 1))
+	}
 	if s.Key == nil {
 		invalidParams.Add(request.NewErrParamRequired("Key"))
 	}
@@ -10677,6 +10731,9 @@ func (s *DeleteObjectsInput) Validate() error {
 	if s.Bucket == nil {
 		invalidParams.Add(request.NewErrParamRequired("Bucket"))
 	}
+	if s.Bucket != nil && len(*s.Bucket) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Bucket", 1))
+	}
 	if s.Delete == nil {
 		invalidParams.Add(request.NewErrParamRequired("Delete"))
 	}
@@ -10794,6 +10851,9 @@ func (s *DeletePublicAccessBlockInput) Validate() error {
 	if s.Bucket == nil {
 		invalidParams.Add(request.NewErrParamRequired("Bucket"))
 	}
+	if s.Bucket != nil && len(*s.Bucket) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Bucket", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -11241,6 +11301,9 @@ func (s *GetBucketAccelerateConfigurationInput) Validate() error {
 	if s.Bucket == nil {
 		invalidParams.Add(request.NewErrParamRequired("Bucket"))
 	}
+	if s.Bucket != nil && len(*s.Bucket) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Bucket", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -11307,6 +11370,9 @@ func (s *GetBucketAclInput) Validate() error {
 	if s.Bucket == nil {
 		invalidParams.Add(request.NewErrParamRequired("Bucket"))
 	}
+	if s.Bucket != nil && len(*s.Bucket) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Bucket", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -11388,6 +11454,9 @@ func (s *GetBucketAnalyticsConfigurationInput) Validate() error {
 	if s.Bucket == nil {
 		invalidParams.Add(request.NewErrParamRequired("Bucket"))
 	}
+	if s.Bucket != nil && len(*s.Bucket) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Bucket", 1))
+	}
 	if s.Id == nil {
 		invalidParams.Add(request.NewErrParamRequired("Id"))
 	}
@@ -11463,6 +11532,9 @@ func (s *GetBucketCorsInput) Validate() error {
 	if s.Bucket == nil {
 		invalidParams.Add(request.NewErrParamRequired("Bucket"))
 	}
+	if s.Bucket != nil && len(*s.Bucket) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Bucket", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -11531,6 +11603,9 @@ func (s *GetBucketEncryptionInput) Validate() error {
 	if s.Bucket == nil {
 		invalidParams.Add(request.NewErrParamRequired("Bucket"))
 	}
+	if s.Bucket != nil && len(*s.Bucket) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Bucket", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -11605,6 +11680,9 @@ func (s *GetBucketInventoryConfigurationInput) Validate() error {
 	if s.Bucket == nil {
 		invalidParams.Add(request.NewErrParamRequired("Bucket"))
 	}
+	if s.Bucket != nil && len(*s.Bucket) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Bucket", 1))
+	}
 	if s.Id == nil {
 		invalidParams.Add(request.NewErrParamRequired("Id"))
 	}
@@ -11680,6 +11758,9 @@ func (s *GetBucketLifecycleConfigurationInput) Validate() error {
 	if s.Bucket == nil {
 		invalidParams.Add(request.NewErrParamRequired("Bucket"))
 	}
+	if s.Bucket != nil && len(*s.Bucket) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Bucket", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -11745,6 +11826,9 @@ func (s *GetBucketLifecycleInput) Validate() error {
 	if s.Bucket == nil {
 		invalidParams.Add(request.NewErrParamRequired("Bucket"))
 	}
+	if s.Bucket != nil && len(*s.Bucket) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Bucket", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -11810,6 +11894,9 @@ func (s *GetBucketLocationInput) Validate() error {
 	if s.Bucket == nil {
 		invalidParams.Add(request.NewErrParamRequired("Bucket"))
 	}
+	if s.Bucket != nil && len(*s.Bucket) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Bucket", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -11875,6 +11962,9 @@ func (s *GetBucketLoggingInput) Validate() error {
 	if s.Bucket == nil {
 		invalidParams.Add(request.NewErrParamRequired("Bucket"))
 	}
+	if s.Bucket != nil && len(*s.Bucket) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Bucket", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -11950,6 +12040,9 @@ func (s *GetBucketMetricsConfigurationInput) Validate() error {
 	if s.Bucket == nil {
 		invalidParams.Add(request.NewErrParamRequired("Bucket"))
 	}
+	if s.Bucket != nil && len(*s.Bucket) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Bucket", 1))
+	}
 	if s.Id == nil {
 		invalidParams.Add(request.NewErrParamRequired("Id"))
 	}
@@ -12027,6 +12120,9 @@ func (s *GetBucketNotificationConfigurationRequest) Validate() error {
 	if s.Bucket == nil {
 		invalidParams.Add(request.NewErrParamRequired("Bucket"))
 	}
+	if s.Bucket != nil && len(*s.Bucket) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Bucket", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -12070,6 +12166,9 @@ func (s *GetBucketPolicyInput) Validate() error {
 	if s.Bucket == nil {
 		invalidParams.Add(request.NewErrParamRequired("Bucket"))
 	}
+	if s.Bucket != nil && len(*s.Bucket) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Bucket", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -12138,6 +12237,9 @@ func (s *GetBucketPolicyStatusInput) Validate() error {
 	if s.Bucket == nil {
 		invalidParams.Add(request.NewErrParamRequired("Bucket"))
 	}
+	if s.Bucket != nil && len(*s.Bucket) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Bucket", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -12204,6 +12306,9 @@ func (s *GetBucketReplicationInput) Validate() error {
 	if s.Bucket == nil {
 		invalidParams.Add(request.NewErrParamRequired("Bucket"))
 	}
+	if s.Bucket != nil && len(*s.Bucket) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Bucket", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -12271,6 +12376,9 @@ func (s *GetBucketRequestPaymentInput) Validate() error {
 	if s.Bucket == nil {
 		invalidParams.Add(request.NewErrParamRequired("Bucket"))
 	}
+	if s.Bucket != nil && len(*s.Bucket) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Bucket", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -12337,6 +12445,9 @@ func (s *GetBucketTaggingInput) Validate() error {
 	if s.Bucket == nil {
 		invalidParams.Add(request.NewErrParamRequired("Bucket"))
 	}
+	if s.Bucket != nil && len(*s.Bucket) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Bucket", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -12403,6 +12514,9 @@ func (s *GetBucketVersioningInput) Validate() error {
 	if s.Bucket == nil {
 		invalidParams.Add(request.NewErrParamRequired("Bucket"))
 	}
+	if s.Bucket != nil && len(*s.Bucket) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Bucket", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -12480,6 +12594,9 @@ func (s *GetBucketWebsiteInput) Validate() error {
 	if s.Bucket == nil {
 		invalidParams.Add(request.NewErrParamRequired("Bucket"))
 	}
+	if s.Bucket != nil && len(*s.Bucket) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Bucket", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -12581,6 +12698,9 @@ func (s *GetObjectAclInput) Validate() error {
 	if s.Bucket == nil {
 		invalidParams.Add(request.NewErrParamRequired("Bucket"))
 	}
+	if s.Bucket != nil && len(*s.Bucket) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Bucket", 1))
+	}
 	if s.Key == nil {
 		invalidParams.Add(request.NewErrParamRequired("Key"))
 	}
@@ -12759,6 +12879,9 @@ func (s *GetObjectInput) Validate() error {
 	if s.Bucket == nil {
 		invalidParams.Add(request.NewErrParamRequired("Bucket"))
 	}
+	if s.Bucket != nil && len(*s.Bucket) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Bucket", 1))
+	}
 	if s.Key == nil {
 		invalidParams.Add(request.NewErrParamRequired("Key"))
 	}
@@ -12939,6 +13062,9 @@ func (s *GetObjectLegalHoldInput) Validate() error {
 	if s.Bucket == nil {
 		invalidParams.Add(request.NewErrParamRequired("Bucket"))
 	}
+	if s.Bucket != nil && len(*s.Bucket) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Bucket", 1))
+	}
 	if s.Key == nil {
 		invalidParams.Add(request.NewErrParamRequired("Key"))
 	}
@@ -13031,6 +13157,9 @@ func (s *GetObjectLockConfigurationInput) Validate() error {
 	if s.Bucket == nil {
 		invalidParams.Add(request.NewErrParamRequired("Bucket"))
 	}
+	if s.Bucket != nil && len(*s.Bucket) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Bucket", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -13424,6 +13553,9 @@ func (s *GetObjectRetentionInput) Validate() error {
 	if s.Bucket == nil {
 		invalidParams.Add(request.NewErrParamRequired("Bucket"))
 	}
+	if s.Bucket != nil && len(*s.Bucket) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Bucket", 1))
+	}
 	if s.Key == nil {
 		invalidParams.Add(request.NewErrParamRequired("Key"))
 	}
@@ -13519,6 +13651,9 @@ func (s *GetObjectTaggingInput) Validate() error {
 	if s.Bucket == nil {
 		invalidParams.Add(request.NewErrParamRequired("Bucket"))
 	}
+	if s.Bucket != nil && len(*s.Bucket) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Bucket", 1))
+	}
 	if s.Key == nil {
 		invalidParams.Add(request.NewErrParamRequired("Key"))
 	}
@@ -13620,6 +13755,9 @@ func (s *GetObjectTorrentInput) Validate() error {
 	if s.Bucket == nil {
 		invalidParams.Add(request.NewErrParamRequired("Bucket"))
 	}
+	if s.Bucket != nil && len(*s.Bucket) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Bucket", 1))
+	}
 	if s.Key == nil {
 		invalidParams.Add(request.NewErrParamRequired("Key"))
 	}
@@ -13716,6 +13854,9 @@ func (s *GetPublicAccessBlockInput) Validate() error {
 	if s.Bucket == nil {
 		invalidParams.Add(request.NewErrParamRequired("Bucket"))
 	}
+	if s.Bucket != nil && len(*s.Bucket) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Bucket", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -13941,6 +14082,9 @@ func (s *HeadBucketInput) Validate() error {
 	if s.Bucket == nil {
 		invalidParams.Add(request.NewErrParamRequired("Bucket"))
 	}
+	if s.Bucket != nil && len(*s.Bucket) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Bucket", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -14051,6 +14195,9 @@ func (s *HeadObjectInput) Validate() error {
 	if s.Bucket == nil {
 		invalidParams.Add(request.NewErrParamRequired("Bucket"))
 	}
+	if s.Bucket != nil && len(*s.Bucket) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Bucket", 1))
+	}
 	if s.Key == nil {
 		invalidParams.Add(request.NewErrParamRequired("Key"))
 	}
@@ -15462,6 +15609,9 @@ func (s *ListBucketAnalyticsConfigurationsInput) Validate() error {
 	if s.Bucket == nil {
 		invalidParams.Add(request.NewErrParamRequired("Bucket"))
 	}
+	if s.Bucket != nil && len(*s.Bucket) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Bucket", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -15573,6 +15723,9 @@ func (s *ListBucketInventoryConfigurationsInput) Validate() error {
 	if s.Bucket == nil {
 		invalidParams.Add(request.NewErrParamRequired("Bucket"))
 	}
+	if s.Bucket != nil && len(*s.Bucket) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Bucket", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -15684,6 +15837,9 @@ func (s *ListBucketMetricsConfigurationsInput) Validate() error {
 	if s.Bucket == nil {
 		invalidParams.Add(request.NewErrParamRequired("Bucket"))
 	}
+	if s.Bucket != nil && len(*s.Bucket) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Bucket", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -15862,6 +16018,9 @@ func (s *ListMultipartUploadsInput) Validate() error {
 	if s.Bucket == nil {
 		invalidParams.Add(request.NewErrParamRequired("Bucket"))
 	}
+	if s.Bucket != nil && len(*s.Bucket) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Bucket", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -16098,6 +16257,9 @@ func (s *ListObjectVersionsInput) Validate() error {
 	if s.Bucket == nil {
 		invalidParams.Add(request.NewErrParamRequired("Bucket"))
 	}
+	if s.Bucket != nil && len(*s.Bucket) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Bucket", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -16330,6 +16492,9 @@ func (s *ListObjectsInput) Validate() error {
 	if s.Bucket == nil {
 		invalidParams.Add(request.NewErrParamRequired("Bucket"))
 	}
+	if s.Bucket != nil && len(*s.Bucket) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Bucket", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -16547,6 +16712,9 @@ func (s *ListObjectsV2Input) Validate() error {
 	if s.Bucket == nil {
 		invalidParams.Add(request.NewErrParamRequired("Bucket"))
 	}
+	if s.Bucket != nil && len(*s.Bucket) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Bucket", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -16792,6 +16960,9 @@ func (s *ListPartsInput) Validate() error {
 	if s.Bucket == nil {
 		invalidParams.Add(request.NewErrParamRequired("Bucket"))
 	}
+	if s.Bucket != nil && len(*s.Bucket) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Bucket", 1))
+	}
 	if s.Key == nil {
 		invalidParams.Add(request.NewErrParamRequired("Key"))
 	}
@@ -18386,6 +18557,9 @@ func (s *PutBucketAccelerateConfigurationInput) Validate() error {
 	if s.Bucket == nil {
 		invalidParams.Add(request.NewErrParamRequired("Bucket"))
 	}
+	if s.Bucket != nil && len(*s.Bucket) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Bucket", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -18470,6 +18644,9 @@ func (s *PutBucketAclInput) Validate() error {
 	if s.Bucket == nil {
 		invalidParams.Add(request.NewErrParamRequired("Bucket"))
 	}
+	if s.Bucket != nil && len(*s.Bucket) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Bucket", 1))
+	}
 	if s.AccessControlPolicy != nil {
 		if err := s.AccessControlPolicy.Validate(); err != nil {
 			invalidParams.AddNested("AccessControlPolicy", err.(request.ErrInvalidParams))
@@ -18589,6 +18766,9 @@ func (s *PutBucketAnalyticsConfigurationInput) Validate() error {
 	if s.Bucket == nil {
 		invalidParams.Add(request.NewErrParamRequired("Bucket"))
 	}
+	if s.Bucket != nil && len(*s.Bucket) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Bucket", 1))
+	}
 	if s.Id == nil {
 		invalidParams.Add(request.NewErrParamRequired("Id"))
 	}
@@ -18669,6 +18849,9 @@ func (s *PutBucketCorsInput) Validate() error {
 	if s.Bucket == nil {
 		invalidParams.Add(request.NewErrParamRequired("Bucket"))
 	}
+	if s.Bucket != nil && len(*s.Bucket) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Bucket", 1))
+	}
 	if s.CORSConfiguration == nil {
 		invalidParams.Add(request.NewErrParamRequired("CORSConfiguration"))
 	}
@@ -18749,6 +18932,9 @@ func (s *PutBucketEncryptionInput) Validate() error {
 	if s.Bucket == nil {
 		invalidParams.Add(request.NewErrParamRequired("Bucket"))
 	}
+	if s.Bucket != nil && len(*s.Bucket) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Bucket", 1))
+	}
 	if s.ServerSideEncryptionConfiguration == nil {
 		invalidParams.Add(request.NewErrParamRequired("ServerSideEncryptionConfiguration"))
 	}
@@ -18832,6 +19018,9 @@ func (s *PutBucketInventoryConfigurationInput) Validate() error {
 	if s.Bucket == nil {
 		invalidParams.Add(request.NewErrParamRequired("Bucket"))
 	}
+	if s.Bucket != nil && len(*s.Bucket) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Bucket", 1))
+	}
 	if s.Id == nil {
 		invalidParams.Add(request.NewErrParamRequired("Id"))
 	}
@@ -18914,6 +19103,9 @@ func (s *PutBucketLifecycleConfigurationInput) Validate() error {
 	if s.Bucket == nil {
 		invalidParams.Add(request.NewErrParamRequired("Bucket"))
 	}
+	if s.Bucket != nil && len(*s.Bucket) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Bucket", 1))
+	}
 	if s.LifecycleConfiguration != nil {
 		if err := s.LifecycleConfiguration.Validate(); err != nil {
 			invalidParams.AddNested("LifecycleConfiguration", err.(request.ErrInvalidParams))
@@ -18984,6 +19176,9 @@ func (s *PutBucketLifecycleInput) Validate() error {
 	if s.Bucket == nil {
 		invalidParams.Add(request.NewErrParamRequired("Bucket"))
 	}
+	if s.Bucket != nil && len(*s.Bucket) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Bucket", 1))
+	}
 	if s.LifecycleConfiguration != nil {
 		if err := s.LifecycleConfiguration.Validate(); err != nil {
 			invalidParams.AddNested("LifecycleConfiguration", err.(request.ErrInvalidParams))
@@ -19055,6 +19250,9 @@ func (s *PutBucketLoggingInput) Validate() error {
 	if s.Bucket == nil {
 		invalidParams.Add(request.NewErrParamRequired("Bucket"))
 	}
+	if s.Bucket != nil && len(*s.Bucket) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Bucket", 1))
+	}
 	if s.BucketLoggingStatus == nil {
 		invalidParams.Add(request.NewErrParamRequired("BucketLoggingStatus"))
 	}
@@ -19138,6 +19336,9 @@ func (s *PutBucketMetricsConfigurationInput) Validate() error {
 	if s.Bucket == nil {
 		invalidParams.Add(request.NewErrParamRequired("Bucket"))
 	}
+	if s.Bucket != nil && len(*s.Bucket) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Bucket", 1))
+	}
 	if s.Id == nil {
 		invalidParams.Add(request.NewErrParamRequired("Id"))
 	}
@@ -19224,6 +19425,9 @@ func (s *PutBucketNotificationConfigurationInput) Validate() error {
 	if s.Bucket == nil {
 		invalidParams.Add(request.NewErrParamRequired("Bucket"))
 	}
+	if s.Bucket != nil && len(*s.Bucket) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Bucket", 1))
+	}
 	if s.NotificationConfiguration == nil {
 		invalidParams.Add(request.NewErrParamRequired("NotificationConfiguration"))
 	}
@@ -19298,6 +19502,9 @@ func (s *PutBucketNotificationInput) Validate() error {
 	if s.Bucket == nil {
 		invalidParams.Add(request.NewErrParamRequired("Bucket"))
 	}
+	if s.Bucket != nil && len(*s.Bucket) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Bucket", 1))
+	}
 	if s.NotificationConfiguration == nil {
 		invalidParams.Add(request.NewErrParamRequired("NotificationConfiguration"))
 	}
@@ -19373,6 +19580,9 @@ func (s *PutBucketPolicyInput) Validate() error {
 	if s.Bucket == nil {
 		invalidParams.Add(request.NewErrParamRequired("Bucket"))
 	}
+	if s.Bucket != nil && len(*s.Bucket) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Bucket", 1))
+	}
 	if s.Policy == nil {
 		invalidParams.Add(request.NewErrParamRequired("Policy"))
 	}
@@ -19451,6 +19661,9 @@ func (s *PutBucketReplicationInput) Validate() error {
 	if s.Bucket == nil {
 		invalidParams.Add(request.NewErrParamRequired("Bucket"))
 	}
+	if s.Bucket != nil && len(*s.Bucket) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Bucket", 1))
+	}
 	if s.ReplicationConfiguration == nil {
 		invalidParams.Add(request.NewErrParamRequired("ReplicationConfiguration"))
 	}
@@ -19525,6 +19738,9 @@ func (s *PutBucketRequestPaymentInput) Validate() error {
 	if s.Bucket == nil {
 		invalidParams.Add(request.NewErrParamRequired("Bucket"))
 	}
+	if s.Bucket != nil && len(*s.Bucket) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Bucket", 1))
+	}
 	if s.RequestPaymentConfiguration == nil {
 		invalidParams.Add(request.NewErrParamRequired("RequestPaymentConfiguration"))
 	}
@@ -19599,6 +19815,9 @@ func (s *PutBucketTaggingInput) Validate() error {
 	if s.Bucket == nil {
 		invalidParams.Add(request.NewErrParamRequired("Bucket"))
 	}
+	if s.Bucket != nil && len(*s.Bucket) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Bucket", 1))
+	}
 	if s.Tagging == nil {
 		invalidParams.Add(request.NewErrParamRequired("Tagging"))
 	}
@@ -19677,6 +19896,9 @@ func (s *PutBucketVersioningInput) Validate() error {
 	if s.Bucket == nil {
 		invalidParams.Add(request.NewErrParamRequired("Bucket"))
 	}
+	if s.Bucket != nil && len(*s.Bucket) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Bucket", 1))
+	}
 	if s.VersioningConfiguration == nil {
 		invalidParams.Add(request.NewErrParamRequired("VersioningConfiguration"))
 	}
@@ -19752,6 +19974,9 @@ func (s *PutBucketWebsiteInput) Validate() error {
 	if s.Bucket == nil {
 		invalidParams.Add(request.NewErrParamRequired("Bucket"))
 	}
+	if s.Bucket != nil && len(*s.Bucket) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Bucket", 1))
+	}
 	if s.WebsiteConfiguration == nil {
 		invalidParams.Add(request.NewErrParamRequired("WebsiteConfiguration"))
 	}
@@ -19856,6 +20081,9 @@ func (s *PutObjectAclInput) Validate() error {
 	if s.Bucket == nil {
 		invalidParams.Add(request.NewErrParamRequired("Bucket"))
 	}
+	if s.Bucket != nil && len(*s.Bucket) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Bucket", 1))
+	}
 	if s.Key == nil {
 		invalidParams.Add(request.NewErrParamRequired("Key"))
 	}
@@ -20101,6 +20329,9 @@ func (s *PutObjectInput) Validate() error {
 	if s.Bucket == nil {
 		invalidParams.Add(request.NewErrParamRequired("Bucket"))
 	}
+	if s.Bucket != nil && len(*s.Bucket) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Bucket", 1))
+	}
 	if s.Key == nil {
 		invalidParams.Add(request.NewErrParamRequired("Key"))
 	}
@@ -20345,6 +20576,9 @@ func (s *PutObjectLegalHoldInput) Validate() error {
 	if s.Bucket == nil {
 		invalidParams.Add(request.NewErrParamRequired("Bucket"))
 	}
+	if s.Bucket != nil && len(*s.Bucket) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Bucket", 1))
+	}
 	if s.Key == nil {
 		invalidParams.Add(request.NewErrParamRequired("Key"))
 	}
@@ -20455,6 +20689,9 @@ func (s *PutObjectLockConfigurationInput) Validate() error {
 	if s.Bucket == nil {
 		invalidParams.Add(request.NewErrParamRequired("Bucket"))
 	}
+	if s.Bucket != nil && len(*s.Bucket) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Bucket", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -20659,6 +20896,9 @@ func (s *PutObjectRetentionInput) Validate() error {
 	if s.Bucket == nil {
 		invalidParams.Add(request.NewErrParamRequired("Bucket"))
 	}
+	if s.Bucket != nil && len(*s.Bucket) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Bucket", 1))
+	}
 	if s.Key == nil {
 		invalidParams.Add(request.NewErrParamRequired("Key"))
 	}
@@ -20770,6 +21010,9 @@ func (s *PutObjectTaggingInput) Validate() error {
 	if s.Bucket == nil {
 		invalidParams.Add(request.NewErrParamRequired("Bucket"))
 	}
+	if s.Bucket != nil && len(*s.Bucket) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Bucket", 1))
+	}
 	if s.Key == nil {
 		invalidParams.Add(request.NewErrParamRequired("Key"))
 	}
@@ -20879,6 +21122,9 @@ func (s *PutPublicAccessBlockInput) Validate() error {
 	if s.Bucket == nil {
 		invalidParams.Add(request.NewErrParamRequired("Bucket"))
 	}
+	if s.Bucket != nil && len(*s.Bucket) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Bucket", 1))
+	}
 	if s.PublicAccessBlockConfiguration == nil {
 		invalidParams.Add(request.NewErrParamRequired("PublicAccessBlockConfiguration"))
 	}
@@ -21637,6 +21883,9 @@ func (s *RestoreObjectInput) Validate() error {
 	if s.Bucket == nil {
 		invalidParams.Add(request.NewErrParamRequired("Bucket"))
 	}
+	if s.Bucket != nil && len(*s.Bucket) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Bucket", 1))
+	}
 	if s.Key == nil {
 		invalidParams.Add(request.NewErrParamRequired("Key"))
 	}
@@ -22345,6 +22594,9 @@ func (s *SelectObjectContentInput) Validate() error {
 	if s.Bucket == nil {
 		invalidParams.Add(request.NewErrParamRequired("Bucket"))
 	}
+	if s.Bucket != nil && len(*s.Bucket) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Bucket", 1))
+	}
 	if s.Expression == nil {
 		invalidParams.Add(request.NewErrParamRequired("Expression"))
 	}
@@ -23386,6 +23638,9 @@ func (s *UploadPartCopyInput) Validate() error {
 	if s.Bucket == nil {
 		invalidParams.Add(request.NewErrParamRequired("Bucket"))
 	}
+	if s.Bucket != nil && len(*s.Bucket) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Bucket", 1))
+	}
 	if s.CopySource == nil {
 		invalidParams.Add(request.NewErrParamRequired("CopySource"))
 	}
@@ -23688,6 +23943,9 @@ func (s *UploadPartInput) Validate() error {
 	if s.Bucket == nil {
 		invalidParams.Add(request.NewErrParamRequired("Bucket"))
 	}
+	if s.Bucket != nil && len(*s.Bucket) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Bucket", 1))
+	}
 	if s.Key == nil {
 		invalidParams.Add(request.NewErrParamRequired("Key"))
 	}
diff --git a/service/s3/bucket_location_test.go b/service/s3/bucket_location_test.go
index c5984cf26b5..92ef8f45fdf 100644
--- a/service/s3/bucket_location_test.go
+++ b/service/s3/bucket_location_test.go
@@ -114,7 +114,7 @@ func TestPopulateLocationConstraint(t *testing.T) {
 func TestNoPopulateLocationConstraintIfProvided(t *testing.T) {
 	s := s3.New(unit.Session)
 	req, _ := s.CreateBucketRequest(&s3.CreateBucketInput{
-		Bucket: aws.String("bucket"),
+		Bucket:                    aws.String("bucket"),
 		CreateBucketConfiguration: &s3.CreateBucketConfiguration{},
 	})
 	if err := req.Build(); err != nil {
diff --git a/service/s3/s3crypto/decryption_client.go b/service/s3/s3crypto/decryption_client.go
index fcc9268d4d9..7fcd8355916 100644
--- a/service/s3/s3crypto/decryption_client.go
+++ b/service/s3/s3crypto/decryption_client.go
@@ -58,7 +58,7 @@ func NewDecryptionClient(prov client.ConfigProvider, options ...func(*Decryption
 			}).decryptHandler,
 		},
 		CEKRegistry: map[string]CEKEntry{
-			AESGCMNoPadding:                                          newAESGCMContentCipher,
+			AESGCMNoPadding: newAESGCMContentCipher,
 			strings.Join([]string{AESCBC, AESCBCPadder.Name()}, "/"): newAESCBCContentCipher,
 		},
 		PadderRegistry: map[string]Padder{
diff --git a/service/s3/sse_test.go b/service/s3/sse_test.go
index 50ff99cb6f1..459fec7841a 100644
--- a/service/s3/sse_test.go
+++ b/service/s3/sse_test.go
@@ -34,9 +34,9 @@ func TestSSECustomerKeyOverHTTPError(t *testing.T) {
 func TestCopySourceSSECustomerKeyOverHTTPError(t *testing.T) {
 	s := s3.New(unit.Session, &aws.Config{DisableSSL: aws.Bool(true)})
 	req, _ := s.CopyObjectRequest(&s3.CopyObjectInput{
-		Bucket:     aws.String("bucket"),
-		CopySource: aws.String("bucket/source"),
-		Key:        aws.String("dest"),
+		Bucket:                   aws.String("bucket"),
+		CopySource:               aws.String("bucket/source"),
+		Key:                      aws.String("dest"),
 		CopySourceSSECustomerKey: aws.String("key"),
 	})
 	err := req.Build()
diff --git a/service/sagemakerruntime/api.go b/service/sagemakerruntime/api.go
index e727a0a41fd..494f4630520 100644
--- a/service/sagemakerruntime/api.go
+++ b/service/sagemakerruntime/api.go
@@ -159,6 +159,9 @@ func (s *InvokeEndpointInput) Validate() error {
 	if s.EndpointName == nil {
 		invalidParams.Add(request.NewErrParamRequired("EndpointName"))
 	}
+	if s.EndpointName != nil && len(*s.EndpointName) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("EndpointName", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
diff --git a/service/securityhub/api.go b/service/securityhub/api.go
index 41162aca6fa..300ff8a7bb4 100644
--- a/service/securityhub/api.go
+++ b/service/securityhub/api.go
@@ -4813,6 +4813,9 @@ func (s *DeleteInsightInput) Validate() error {
 	if s.InsightArn == nil {
 		invalidParams.Add(request.NewErrParamRequired("InsightArn"))
 	}
+	if s.InsightArn != nil && len(*s.InsightArn) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("InsightArn", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -4972,6 +4975,9 @@ func (s *DisableImportFindingsForProductInput) Validate() error {
 	if s.ProductSubscriptionArn == nil {
 		invalidParams.Add(request.NewErrParamRequired("ProductSubscriptionArn"))
 	}
+	if s.ProductSubscriptionArn != nil && len(*s.ProductSubscriptionArn) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ProductSubscriptionArn", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -5401,6 +5407,9 @@ func (s *GetInsightResultsInput) Validate() error {
 	if s.InsightArn == nil {
 		invalidParams.Add(request.NewErrParamRequired("InsightArn"))
 	}
+	if s.InsightArn != nil && len(*s.InsightArn) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("InsightArn", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -7501,6 +7510,9 @@ func (s *UpdateInsightInput) Validate() error {
 	if s.InsightArn == nil {
 		invalidParams.Add(request.NewErrParamRequired("InsightArn"))
 	}
+	if s.InsightArn != nil && len(*s.InsightArn) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("InsightArn", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
diff --git a/service/serverlessapplicationrepository/api.go b/service/serverlessapplicationrepository/api.go
index eca4dda7639..dbce5f61e60 100644
--- a/service/serverlessapplicationrepository/api.go
+++ b/service/serverlessapplicationrepository/api.go
@@ -1974,9 +1974,15 @@ func (s *CreateApplicationVersionRequest) Validate() error {
 	if s.ApplicationId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ApplicationId"))
 	}
+	if s.ApplicationId != nil && len(*s.ApplicationId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ApplicationId", 1))
+	}
 	if s.SemanticVersion == nil {
 		invalidParams.Add(request.NewErrParamRequired("SemanticVersion"))
 	}
+	if s.SemanticVersion != nil && len(*s.SemanticVersion) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("SemanticVersion", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -2111,6 +2117,9 @@ func (s *CreateCloudFormationChangeSetRequest) Validate() error {
 	if s.ApplicationId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ApplicationId"))
 	}
+	if s.ApplicationId != nil && len(*s.ApplicationId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ApplicationId", 1))
+	}
 	if s.StackName == nil {
 		invalidParams.Add(request.NewErrParamRequired("StackName"))
 	}
@@ -2249,6 +2258,9 @@ func (s *CreateCloudFormationTemplateInput) Validate() error {
 	if s.ApplicationId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ApplicationId"))
 	}
+	if s.ApplicationId != nil && len(*s.ApplicationId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ApplicationId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -2361,6 +2373,9 @@ func (s *DeleteApplicationInput) Validate() error {
 	if s.ApplicationId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ApplicationId"))
 	}
+	if s.ApplicationId != nil && len(*s.ApplicationId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ApplicationId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -2413,6 +2428,9 @@ func (s *GetApplicationInput) Validate() error {
 	if s.ApplicationId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ApplicationId"))
 	}
+	if s.ApplicationId != nil && len(*s.ApplicationId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ApplicationId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -2558,6 +2576,9 @@ func (s *GetApplicationPolicyInput) Validate() error {
 	if s.ApplicationId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ApplicationId"))
 	}
+	if s.ApplicationId != nil && len(*s.ApplicationId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ApplicationId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -2619,9 +2640,15 @@ func (s *GetCloudFormationTemplateInput) Validate() error {
 	if s.ApplicationId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ApplicationId"))
 	}
+	if s.ApplicationId != nil && len(*s.ApplicationId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ApplicationId", 1))
+	}
 	if s.TemplateId == nil {
 		invalidParams.Add(request.NewErrParamRequired("TemplateId"))
 	}
+	if s.TemplateId != nil && len(*s.TemplateId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("TemplateId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -2740,6 +2767,9 @@ func (s *ListApplicationDependenciesInput) Validate() error {
 	if s.ApplicationId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ApplicationId"))
 	}
+	if s.ApplicationId != nil && len(*s.ApplicationId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ApplicationId", 1))
+	}
 	if s.MaxItems != nil && *s.MaxItems < 1 {
 		invalidParams.Add(request.NewErrParamMinValue("MaxItems", 1))
 	}
@@ -2831,6 +2861,9 @@ func (s *ListApplicationVersionsInput) Validate() error {
 	if s.ApplicationId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ApplicationId"))
 	}
+	if s.ApplicationId != nil && len(*s.ApplicationId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ApplicationId", 1))
+	}
 	if s.MaxItems != nil && *s.MaxItems < 1 {
 		invalidParams.Add(request.NewErrParamMinValue("MaxItems", 1))
 	}
@@ -3226,6 +3259,9 @@ func (s *PutApplicationPolicyInput) Validate() error {
 	if s.ApplicationId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ApplicationId"))
 	}
+	if s.ApplicationId != nil && len(*s.ApplicationId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ApplicationId", 1))
+	}
 	if s.Statements == nil {
 		invalidParams.Add(request.NewErrParamRequired("Statements"))
 	}
@@ -3593,6 +3629,9 @@ func (s *UpdateApplicationRequest) Validate() error {
 	if s.ApplicationId == nil {
 		invalidParams.Add(request.NewErrParamRequired("ApplicationId"))
 	}
+	if s.ApplicationId != nil && len(*s.ApplicationId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("ApplicationId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
diff --git a/service/signer/api.go b/service/signer/api.go
index 754a7c7358f..b855be2216a 100644
--- a/service/signer/api.go
+++ b/service/signer/api.go
@@ -1097,6 +1097,9 @@ func (s *DescribeSigningJobInput) Validate() error {
 	if s.JobId == nil {
 		invalidParams.Add(request.NewErrParamRequired("JobId"))
 	}
+	if s.JobId != nil && len(*s.JobId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("JobId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -1330,6 +1333,9 @@ func (s *GetSigningPlatformInput) Validate() error {
 	if s.PlatformId == nil {
 		invalidParams.Add(request.NewErrParamRequired("PlatformId"))
 	}
+	if s.PlatformId != nil && len(*s.PlatformId) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("PlatformId", 1))
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams