FastAPI framework, high performance, easy to learn, fast to code, ready for production

Swagger UI is a collection of HTML, JavaScript, and CSS assets that dynamically generate beautiful documentation from a Swagger-compliant API.

📘 OpenAPI/Swagger-generated API Reference Documentation

OpenAPI Generator allows generation of API client libraries (SDK generation), server stubs, documentation and configuration automatically given an OpenAPI Spec (v2, v3)

swagger-codegen contains a template-driven engine to generate documentation, API clients and server stubs in different languages by parsing your OpenAPI / Swagger definition.

Swagger Editor

Examples and server integrations for generating the Swagger API Specification, which enables easy access to your REST API

Scalar is an open-source API platform:　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　🌐 Modern Rest API Client　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　📖 Beautiful API References　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　✨ 1st-Class OpenAPI/Swagger Support

Mockoon is the easiest and quickest way to run mock APIs locally. No remote deployment, no account required, open source.

Generate Go client and server boilerplate from OpenAPI 3 specifications

Generate TypeScript types from OpenAPI 3 specs

Turn any OpenAPI2/3 and Postman Collection file into an API server with mocking, transformations and validations.

Language-agnostic HTTP API Testing Tool

Knife4j is a set of Swagger2 and OpenAPI3 All-in-one enhancement solution

Browser extension that generates API specs for any app or website

🌐 Wikipedia for Web APIs. Directory of REST API definitions in OpenAPI 2.0/3.x format

Library for OpenAPI 3 with spring-boot

OpenAPI based HTTP Client code generator

Docker image with Uvicorn managed by Gunicorn for high-performance FastAPI web applications in Python with performance auto-tuning.