OpenAPI

OpenAPI Specification

https://swagger.io/docs/specification/about/

What Is OpenAPI? OpenAPI Specification (formerly Swagger Specification) is an API description format for REST APIs. An OpenAPI file allows you to describe your entire API, including:

Available endpoints (/users) and operations on each endpoint (GET /users, POST /users) Operation parameters Input and output for each operation Authentication methods Contact information, license, terms of use and other information.