openapi

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

OpenAPI (f.k.a Swagger) Specification code generator. Supports C#, PowerShell, Go, Java, Node.js, TypeScript, Python

The first AI agent that builds permissionless integrations through reverse engineering platforms' internal APIs.

PostgreSQL ➕ REST, low-code, simplify and accelerate development, ⚡ instant, realtime, high-performance on any Postgres application, existing or new, MCP server

Connexion is a modern Python web framework that makes spec-first and api-first development easy.

Every API has a secret identity. This finds it, absorbs every feature from every competing tool, then builds the GOAT CLI — designed for AI agents first, with SQLite sync, offline search, and compound insight commands.

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

Huma REST/HTTP API Framework for Golang with OpenAPI 3.1

A simple, secure MCP-to-OpenAPI proxy server

Browser extension that generates API specs for any app or website

Simple, Fast, Code first and Compile time generated OpenAPI documentation for Rust

Generate Pydantic v2 models, dataclasses, TypedDict, and msgspec.Struct from OpenAPI, JSON Schema, GraphQL, Avro, Protobuf, and raw JSON/YAML/CSV.

OpenAPI based HTTP Client code generator

Input OpenAPI. Output SDKs and Docs.

Easy OpenAPI specs and Swagger UI for your Flask API

Single file PHP script that adds a REST API to a SQL database

Library for OpenAPI 3 with spring-boot

A fast, lightweight and more productive microservices framework

Next generation noIM application in your own workspace, not only another Slack/Discord/Rocket.chat

Catch API bugs before your users do

Automated generation of real Swagger/OpenAPI 2.0 schemas from Django REST Framework code.

🕸️ GraphQL Federation Framework for any API services such as REST, OpenAPI, Swagger, SOAP, gRPC and more...

NodeJS library that generates Typescript or Javascript clients based on the OpenAPI specification

RPC-like client, contract, and server implementation for a pure REST API

OpenAPI 3.0 and 3.1 and 3.2 (and Swagger v2) implementation for Go (parsing, converting, validation, and more)

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.

The source for REST API specifications for Microsoft Azure.

API Pix: a API do Arranjo de Pagamentos Instantâneos Brasileiro, Pix, criado pelo Banco Central do Brasil.

Modern data layer for TypeScript apps - type-safe ORM, built-in access control, automatic query services

OpenApi or Swagger integration to Laravel