The OpenAPI Specification Repository

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

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

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

Onmyoji Auto Script | 阴阳师脚本

A flexible JSON/YAML linter for creating automated style guides, with baked in support for OpenAPI (v3.1, v3.0, and v2.0), Arazzo v1.0, as well as AsyncAPI v2.x.

OAS-driven Frontend-NoCode Administration Console

vacuum is the worlds fastest OpenAPI 3, OpenAPI 2 / Swagger linter and quality analysis tool. Built in go, it tears through API specs faster than you can think. vacuum is compatible with Spectral rulesets and generates compatible reports.

libopenapi is a fully featured, high performance OpenAPI 3.2, 3.1, 3.0, Overlays and Arazzo parser, library, validator and toolkit for go applications.

😎 A list of awesome projects related to OpenAPI 3.0.x, curated by the community

Port OpenAPI Specs to Postman Collections, inject test suite and run via Newman 👨🏽‍🚀

OpenAPI/Swagger 3.0 Parser and Swift code generator

OpenAPI Spec Validator is a CLI, pre-commit hook and python package that validates OpenAPI Specs against the OpenAPI 2.0 (aka Swagger), OpenAPI 3.0 and OpenAPI 3.1 specification.

Openapi-core is a Python library that adds client-side and server-side support for the OpenAPI v3.0 and OpenAPI v3.1 specification.

PHP-code generator for Laravel framework, with complete support of JSON-API data format

A set of packages and tools for working with OpenAPI, Swagger, Arazzo and Overlay Specification documents.

API Generator - instantly generate REST and GraphQL APIs (openapi (OAS) 3.0.0)

An object oriented approach to generating OpenAPI specs, implemented in PHP.

RESTest: Automated Black-Box Testing of RESTful Web APIs

Tool which generates full picture of coverage of API tests based on OAS (Swagger) v2 and v3

OpenAPI - Getting started, and the specification explained

Generate Automatic Interactive Documentation for Your Rails API

Concise DSL for generating OpenAPI Specification 3 (OAS3) JSON documentation for Ruby application.

Format an OpenAPI document by ordering, formatting and filtering fields.

OpenAPI (fka Swagger) spec renderer for Sphinx.

Postman collection and environment that will take an Open API Spec, validate component adherence, generate contract tests, and execute them.

OpenAPI schema validator is a Python library that validates schema against OpenAPI Schema Specification v3.0 and v3.1

Enrich your OpenAPI 3.0 JSON with code samples

⚡A lightweight, framework-agnostic OpenAPI 3.x specification builder for Go.

A Plex Media Server OpenAPI Specification maintained by the community