POST /users) Operation parameters Input and output for each operation Authentication methods Contact information， including: Available endpoints (/users) and operations on each endpoint (GET /users，。
OpenAPI Specification (formerly Swagger Specification) is an API description format for REST APIs. An OpenAPI file allows you to describe your entire API， and other information. API specifications can be written in YAML or JSON. The format is easy to learn and readable to both humans and machines. The complete OpenAPI Specification can be found on GitHub: OpenAPI 3.0 Specification What Is Swagger? Swagger is a set of open-source tools built around the OpenAPI Specification that can help you design， terms of use， build， an OpenAPI specification and Swagger tools can drive your API development further in various ways: ， and consume REST APIs. The major Swagger tools include: Why Use OpenAPI? The ability of APIs to describe their own structure is the root of all awesomeness in OpenAPI. Once written， document， license。