When an HTTPS request is sent to an API method, API Gateway invokes your Step Functions API actions. This tutorial shows you how to create an API that uses one resource and the POST method to communicate with the StartExecution API action.

Mar 20, 2017 · As explained by Ka Hou Ieong in How can i call AWS Step Functions by API Gateway?, you can create an AWS Service integration via API Gateway Console, like this: Integration Type: AWS Service; AWS Service: Step Functions; HTTP method: POST; Action Type: Use action name; Action: StartExecution

Learn how to use Amazon API Gateway to create, publish, maintain, and monitor HTTP and REST APIs with Step Functions. To integrate with API Gateway, you define a Task state in Step Functions that directly calls an API Gateway HTTP or API Gateway REST endpoint, without writing code or relying on other infrastructure.

May 18, 2017 · To get the function output from a Step Function, you have to add a second method in API Gateway which will call the Step Function with the DescribeExecution action. The API Gateway client will have to call this periodically …

Jan 15, 2024 · By leveraging API Gateway to trigger Step Functions, developers can initiate intricate workflows through simple HTTP requests, streamlining the execution of tasks that are too complex or lengthy for traditional, single-step functions.

May 29, 2019 · If you want to call a REST API you will have to implement your own logic using a Lambda function. A few months ago, AWS has introduced this option to call HTTP API via AWS API Gateway, "Call API Gateway with Step Functions".

Nov 24, 2020 · To get started with Step Functions and API Gateway using the AWS Management Console: Go to the Step Functions page of the AWS Management Console. Choose Run a sample project and choose Make a call to API Gateway. The Definition section shows the ASL that makes up the example workflow.

The new Step Functions integration with API Gateway provides an additional resource type, arn:aws:states:::apigateway:invoke and can be used with both Standard and Express workflows. It allows customers to call API Gateway REST APIs and API Gateway.

This sample project demonstrates how to use Step Functions to make a call to API Gateway and checks whether the call succeeded. For more information about API Gateway and Step Functions service integrations, see the following:

Sep 8, 2023 · With the api gateway integration with step function, users can invoke a step function execution using an rest api request and get the response back. This blog will cover the steps about the how to call step function from api gateway and automation of the infra creation and setup using the serverless .