You can use API Gateway to import a REST API from an external definition file into API Gateway. Currently, API Gateway supports OpenAPI v2.0 and OpenAPI v3.0 definition files, with exceptions listed in Amazon API Gateway important notes for REST APIs.

Sign in to the API Gateway console at https://console.aws.amazon.com/apigateway. To create your first API, for REST API, choose Build. If you've created an API before, choose Create API, and then choose Build for REST API. Under Create REST API, choose Example API and then choose Create API to create the example API.

To learn more about API Gateway extensions to OpenAPI, see OpenAPI extensions for API Gateway. You can create an HTTP API by importing an OpenAPI 3.0 definition file. To migrate from a REST API to an HTTP API, you can export your REST API as an OpenAPI 3.0 definition file. Then import the API definition as an HTTP API.

Sep 29, 2023 · First and foremost, an API Gateway simplifies the complex world of APIs. Instead of clients having to navigate a maze of different API endpoints, they interact with the API Gateway as a single,...

Jul 8, 2024 · We will go through steps to create an OpenAPI spec, import it into API Gateway to create the API infrastructure, deploy it to a stage, and finally test the API endpoints.

Mar 21, 2025 · API Gateway supports APIs that are described using the OpenAPI specification, version 2.0. Your API can be implemented using any publicly available REST framework such as Django or Jersey. You...

Nov 10, 2020 · Similar to API Gateway HTTP APIs, REST APIs also support importing an OpenAPI document. This document is a standardized way to define APIs and various tools, such as validators and generators, can consume this format.

Jan 26, 2020 · Last week we discussed the why's of OpenAPI and its tooling support. Today, I'll demonstrate and answer the following topics; What is the OpenAPI specification?. Our single source of truth. How to deploy OpenAPI endpoints with Terraform to AWS? How to setup contract testing with OpenAPI? The key principles here are;

Use OpenAPI specifications to build an API Gateway APIs. By following these instructions you will create an S3 bucket, API Gateway API and two Lambdas in your AWS account. Storage of …

Dec 8, 2022 · There are several ways how you can incorporate an OpenAPI definition into API Gateay: from a file, or from inline data that you’ve created programmatically within your CDK code. For the...