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HttpApi

The object describing an event source with type HttpApi.

If an OpenApi definition for the specified path and method exists on the API, SAM will add the Lambda integration and security section (if applicable) for you.

If no OpenApi definition for the specified path and method exists on the API, SAM will create this definition for you.

Syntax

To declare this entity in your AWS Serverless Application Model (AWS SAM) template, use the following syntax.

YAML

  [ApiId](#sam-function-httpapi-apiid): String
  [Auth](#sam-function-httpapi-auth): HttpApiFunctionAuth
  [Method](#sam-function-httpapi-method): String
  [Path](#sam-function-httpapi-path): String
  [PayloadFormatVersion](#sam-function-httpapi-payloadformatversion): String
  [RouteSettings](#sam-function-httpapi-routesettings): [RouteSettings](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-resource-apigatewayv2-stage.html#cfn-apigatewayv2-stage-routesettings)
  [TimeoutInMillis](#sam-function-httpapi-timeoutinmillis): Integer

Properties

ApiId Identifier of an AWS::Serverless::HttpApi resource defined in this template.
If not defined, a default AWS::Serverless::HttpApi resource is created called ServerlessHttpApi using a generated OpenApi document containing a union of all paths and methods defined by Api events defined in this template that do not specify an ApiId.
This cannot reference an AWS::Serverless::HttpApi resource defined in another template.
Type: String
Required: No
AWS CloudFormation compatibility: This property is unique to AWS SAM and doesn't have an AWS CloudFormation equivalent.

Auth Auth configuration for this specific Api+Path+Method.
Useful for overriding the API's DefaultAuthorizer or setting auth config on an individual path when no DefaultAuthorizer is specified.
Type: HttpApiFunctionAuth
Required: No
AWS CloudFormation compatibility: This property is unique to AWS SAM and doesn't have an AWS CloudFormation equivalent.

Method HTTP method for which this function is invoked.
If no Path and Method are specified, SAM will create a default API path that routes any request that doesn't map to a different endpoint to this Lambda function. Only one of these default paths can exist per API.
Type: String
Required: No
AWS CloudFormation compatibility: This property is unique to AWS SAM and doesn't have an AWS CloudFormation equivalent.

Path Uri path for which this function is invoked. Must start with /.
If no Path and Method are specified, SAM will create a default API path that routes any request that doesn't map to a different endpoint to this Lambda function. Only one of these default paths can exist per API.
Type: String
Required: No
AWS CloudFormation compatibility: This property is unique to AWS SAM and doesn't have an AWS CloudFormation equivalent.

PayloadFormatVersion Specifies the format of the payload sent to an integration.
NOTE: PayloadFormatVersion requires SAM to modify your OpenAPI definition, so it only works with inline OpenApi defined in the DefinitionBody property.
Type: String
Required: No
Default: 2.0
AWS CloudFormation compatibility: This property is unique to AWS SAM and doesn't have an AWS CloudFormation equivalent.

RouteSettings The per-route route settings for this HTTP API. For more information about route settings, see AWS::ApiGatewayV2::Stage RouteSettings in the API Gateway Developer Guide.
Note: If RouteSettings are specified in both the HttpApi resource and event source, AWS SAM merges them with the event source properties taking precedence.
Type: RouteSettings
Required: No
AWS CloudFormation compatibility: This property is passed directly to the [RouteSettings](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-resource-apigatewayv2-stage.html#cfn-apigatewayv2-stage-routesettings) property of an AWS::ApiGatewayV2::Stage resource.

TimeoutInMillis Custom timeout between 50 and 29,000 milliseconds.
NOTE: TimeoutInMillis requires SAM to modify your OpenAPI definition, so it only works with inline OpenApi defined in the DefinitionBody property.
Type: Integer
Required: No
Default: 5000
AWS CloudFormation compatibility: This property is unique to AWS SAM and doesn't have an AWS CloudFormation equivalent.

Examples

Default HttpApi Event

HttpApi Event that uses the default path. All unmapped paths and methods on this API will route to this endpoint.

YAML

Events:
  HttpApiEvent:
    Type: HttpApi

HttpApi

HttpApi Event that uses a specific path and method.

YAML

Events:
  HttpApiEvent:
    Type: HttpApi
    Properties:
      Path: /
      Method: GET

HttpApi Authorization

HttpApi Event that uses an Authorizer.

YAML

Events:
  HttpApiEvent:
    Type: HttpApi
    Properties:
      Path: /authenticated
      Method: GET
      Auth:
        Authorizer: OpenIdAuth
        AuthorizationScopes:
          - scope1
          - scope2