AWS Documentation » Amazon API Gateway » Developer Guide » Creating, Deploying, and Invoking a REST API in Amazon API Gateway » API Gateway Extensions to OpenAPI » x-amazon-apigateway-integration Object

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x-amazon-apigateway-integration Object

Specifies details of the backend integration used for this method. This extension is an extended property of the OpenAPI Operation object. The result is an API Gateway integration object.

Properties

Property Name	Type	Description
cacheKeyParameters	An array of string	A list of request parameters whose values are to be cached.
cacheNamespace	string	An API-specific tag group of related cached parameters.
connectionId	string	The ID of a VpcLink for the private integration.
connectionType	string	The integration connection type. The valid value is "VPC_LINK" for private integration or "INTERNET", otherwise.
credentials	string	For AWS IAM role-based credentials, specify the ARN of an appropriate IAM role. If unspecified, credentials will default to resource-based permissions that must be added manually to allow the API to access the resource. For more information, see Granting Permissions Using a Resource Policy. Note: when using IAM credentials, please ensure that AWS STS regional endpoints are enabled for the region where this API is deployed for best performance.
contentHandling	string	Request payload encoding conversion types. Valid values are 1) CONVERT_TO_TEXT, for converting a binary payload into a Base64-encoded string or converting a text payload into a utf-8-encoded string or passing through the text payload natively without modification, and 2) CONVERT_TO_BINARY, for converting a text payload into Base64-decoded blob or passing through a binary payload natively without modification.
httpMethod	string	The HTTP method used in the integration request. For Lambda function invocations, the value must be POST.
passthroughBehavior	string	Specifies how a request payload of unmapped content type is passed through the integration request without modification. Supported values are when_no_templates, when_no_match, and never. For more information, see Integration.passthroughBehavior.
requestParameters	x-amazon-apigateway-integration.requestParameters Object	Specifies mappings from method request parameters to integration request parameters. Supported request parameters are querystring, path, header, and body.
requestTemplates	x-amazon-apigateway-integration.requestTemplates Object	Mapping templates for a request payload of specified MIME types.
responses	x-amazon-apigateway-integration.responses Object	Defines the method's responses and specifies desired parameter mappings or payload mappings from integration responses to method responses.
timeoutInMillis	integer	Integration timeouts between 50 ms and 29,000 ms.
type	string	The type of integration with the specified backend. The valid value is http or http_proxy: for integration with an HTTP backend;; aws_proxy: for integration with AWS Lambda functions; aws; for integration with AWS Lambda functions or other AWS services, such as Amazon DynamoDB, Amazon Simple Notification Service or Amazon Simple Queue Service; mock: for integration with API Gateway without invoking any backend. For more information about the integration types, see integration:type.
uri	string	The endpoint URI of the backend. For integrations of the aws type, this is an ARN value. For the HTTP integration, this is the URL of the HTTP endpoint including the https or http scheme.

x-amazon-apigateway-integration Example

The following example integrates an API's POST method with a Lambda function in the backend. For demonstration purposes, the sample mapping templates shown in requestTemplates and responseTemplates of the examples below are assumed to apply to the following JSON-formatted payload: { "name":"value_1", "key":"value_2", "redirect": {"url" :"..."} } to generate a JSON output of { "stage":"value_1", "user-id":"value_2" } or an XML output of <stage>value_1</stage>.

"x-amazon-apigateway-integration" : {
    "type" : "aws",
    "uri" : "arn:aws:apigateway:us-east-1:lambda:path/2015-03-31/functions/arn:aws:lambda:us-east-1:012345678901:function:HelloWorld/invocations",
    "httpMethod" : "POST",
    "credentials" : "arn:aws:iam::012345678901:role/apigateway-invoke-lambda-exec-role",
    "requestTemplates" : {
                "application/json" : "#set ($root=$input.path('$')) { \"stage\": \"$root.name\", \"user-id\": \"$root.key\" }",
                "application/xml" : "#set ($root=$input.path('$')) <stage>$root.name</stage> "
    },
    "requestParameters" : {
        "integration.request.path.stage" : "method.request.querystring.version",
        "integration.request.querystring.provider" : "method.request.querystring.vendor"
    },
    "cacheNamespace" : "cache namespace",
    "cacheKeyParameters" : [],
    "responses" : {
        "2\\d{2}" : {
            "statusCode" : "200",
            "responseParameters" : {
                "method.response.header.requestId" : "integration.response.header.cid"
            },
            "responseTemplates" : {
                "application/json" : "#set ($root=$input.path('$')) { \"stage\": \"$root.name\", \"user-id\": \"$root.key\" }",
                "application/xml" : "#set ($root=$input.path('$')) <stage>$root.name</stage> "
            }
        },
        "302" : {
            "statusCode" : "302",
            "responseParameters" : {
                "method.response.header.Location" : "integration.response.body.redirect.url"
            }
        },
        "default" : {
            "statusCode" : "400",
            "responseParameters" : {
                "method.response.header.test-method-response-header" : "'static value'"
            }
        }
    }
}
                

Note that double quotes (") of the JSON string in the mapping templates must be string-escaped (\").