AWS::ApiGateway::GatewayResponse - AWS CloudFormation
SyntaxPropertiesReturn valuesExamplesSee also

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AWS::ApiGateway::GatewayResponse

The AWS::ApiGateway::GatewayResponse resource creates a gateway response for your API. When you delete a stack containing this resource, your custom gateway responses are reset. For more information, see API Gateway Responses in the API Gateway Developer Guide.

Syntax

To declare this entity in your AWS CloudFormation template, use the following syntax:

JSON

{
  "Type" : "AWS::ApiGateway::GatewayResponse",
  "Properties" : {
      "ResponseParameters" : {Key: Value, ...},
      "ResponseTemplates" : {Key: Value, ...},
      "ResponseType" : String,
      "RestApiId" : String,
      "StatusCode" : String
    }
}

YAML

Type: AWS::ApiGateway::GatewayResponse
Properties:
  ResponseParameters: 
    Key: Value
  ResponseTemplates: 
    Key: Value
  ResponseType: String
  RestApiId: String
  StatusCode: String

Properties

ResponseParameters

Response parameters (paths, query strings and headers) of the GatewayResponse as a string-to-string map of key-value pairs.

Required: No

Type: Object of String

Pattern: [a-zA-Z0-9]+

Update requires: No interruption

ResponseTemplates

Response templates of the GatewayResponse as a string-to-string map of key-value pairs.

Required: No

Type: Object of String

Pattern: [a-zA-Z0-9]+

Update requires: No interruption

ResponseType

The response type of the associated GatewayResponse.

Required: Yes

Type: String

Allowed values: DEFAULT_4XX | DEFAULT_5XX | RESOURCE_NOT_FOUND | UNAUTHORIZED | INVALID_API_KEY | ACCESS_DENIED | AUTHORIZER_FAILURE | AUTHORIZER_CONFIGURATION_ERROR | INVALID_SIGNATURE | EXPIRED_TOKEN | MISSING_AUTHENTICATION_TOKEN | INTEGRATION_FAILURE | INTEGRATION_TIMEOUT | API_CONFIGURATION_ERROR | UNSUPPORTED_MEDIA_TYPE | BAD_REQUEST_PARAMETERS | BAD_REQUEST_BODY | REQUEST_TOO_LARGE | THROTTLED | QUOTA_EXCEEDED | WAF_FILTERED

Update requires: Replacement

RestApiId

The string identifier of the associated RestApi.

Required: Yes

Type: String

Update requires: Replacement

StatusCode

The HTTP status code for this GatewayResponse.

Required: No

Type: String

Update requires: No interruption

Return values

Fn::GetAtt

The Fn::GetAtt intrinsic function returns a value for a specified attribute of this type. The following are the available attributes and sample return values.

For more information about using the Fn::GetAtt intrinsic function, see Fn::GetAtt.

Id

The ID for the gateway response. For example: abc123.

Examples

404 Response

The following example returns a 404 status code for resource not found instead of missing authentication token for a CORS request (applicable to unsecured/unrestricted APIs).

JSON

{
    "AWSTemplateFormatVersion": "2010-09-09",
    "Resources": {
        "RestApi": {
            "Type": "AWS::ApiGateway::RestApi",
            "Properties": {
                "Name": "myRestApi"
            }
        },
        "GatewayResponse": {
            "Type": "AWS::ApiGateway::GatewayResponse",
            "Properties": {
                "ResponseParameters": {
                    "gatewayresponse.header.Access-Control-Allow-Origin": "'*'",
                    "gatewayresponse.header.Access-Control-Allow-Headers": "'*'"
                },
                "ResponseType": "MISSING_AUTHENTICATION_TOKEN",
                "RestApiId": {
                    "Ref": "RestApi"
                },
                "StatusCode": "404"
            }
        }
    }
}

YAML

AWSTemplateFormatVersion: 2010-09-09
Resources:
  RestApi:
    Type: AWS::ApiGateway::RestApi
    Properties:
      Name: myRestApi
  GatewayResponse:
    Type: AWS::ApiGateway::GatewayResponse
    Properties:
      ResponseParameters:
        gatewayresponse.header.Access-Control-Allow-Origin: "'*'"
        gatewayresponse.header.Access-Control-Allow-Headers: "'*'"
      ResponseType: MISSING_AUTHENTICATION_TOKEN
      RestApiId: !Ref RestApi
      StatusCode: '404'

Parameterized Response

The following example creates a response for an API based on the supplied parameters.

JSON

{
    "Parameters": {
        "apiName": {
            "Type": "String"
        },
        "responseParameter1": {
            "Type": "String"
        },
        "responseParameter2": {
            "Type": "String"
        },
        "responseType": {
            "Type": "String"
        },
        "statusCode": {
            "Type": "String"
        }
    },
    "Resources": {
        "RestApi": {
            "Type": "AWS::ApiGateway::RestApi",
            "Properties": {
                "Name": {
                    "Ref": "apiName"
                }
            }
        },
        "GatewayResponse": {
            "Type": "AWS::ApiGateway::GatewayResponse",
            "Properties": {
                "ResponseParameters": {
                    "gatewayresponse.header.k1": {
                        "Ref": "responseParameter1"
                    },
                    "gatewayresponse.header.k2": {
                        "Ref": "responseParameter2"
                    }
                },
                "ResponseType": {
                    "Ref": "responseType"
                },
                "RestApiId": {
                    "Ref": "RestApi"
                },
                "StatusCode": {
                    "Ref": "statusCode"
                }
            }
        }
    }
}

YAML

Parameters:
    apiName :
        Type : String
    responseParameter1:
        Type : String
    responseParameter2:
        Type : String
    responseType:
        Type : String
    statusCode:
        Type : String
Resources :
    RestApi:
        Type: AWS::ApiGateway::RestApi
        Properties:
            Name: !Ref apiName
    GatewayResponse:
        Type: AWS::ApiGateway::GatewayResponse
        Properties:
            ResponseParameters:
                gatewayresponse.header.k1 : !Ref responseParameter1
                gatewayresponse.header.k2 : !Ref responseParameter2
            ResponseType: !Ref responseType
            RestApiId: !Ref RestApi
            StatusCode: !Ref statusCode

See also