Rest API GitHub Repositories

Open-Source API Development Ecosystem • https://hoppscotch.io • Offline, On-Prem & Cloud • Web, Desktop & CLI • Open-Source Alternative to Postman, Insomnia

🔥 🔥 🔥 A Free & Self-hostable Airtable Alternative

Opensource IDE For Exploring and Testing API's (lightweight alternative to Postman/Insomnia)

⚡️ Express inspired web framework written in Go

The open-source, cross-platform API client for GraphQL, REST, WebSockets, SSE and gRPC. With Cloud, Local and Git storage.

🥧 HTTPie CLI — modern, user-friendly command-line HTTP client for the API era. JSON support, colors, sessions, downloads, plugins & more.

Send push notifications to your phone or desktop using PUT/POST

A cloud-native Go microservices framework with cli tool for productivity.

Blazing fast, instant realtime GraphQL APIs on all your data with fine grained access control, also trigger webhooks on database events.

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

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

Microsoft REST API Guidelines

lightweight, idiomatic and composable router for building Go HTTP services

Parse Server for Node.js / Express

An opinionated GoLang framework for accelerated microservice development. Built in support for databases and observability.

gRPC to JSON proxy generator following the gRPC HTTP spec

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

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

A curated list of free public APIs — searchable, community-maintained, with a free JSON API.

Full Modular Monolith application with Domain-Driven Design approach.

The modern API client that lives in your terminal.

The future of Node.js REST development

Low code web framework for real world applications, in Python and Javascript

Swagger Editor

💨 Fast, Async-ready, Openapi, type hints based framework for building APIs

An interactive command-line HTTP and API testing client built on top of HTTPie featuring autocomplete, syntax highlighting, and more. https://twitter.com/httpie

CakePHP: The Rapid Development Framework for PHP - Official Repository

Generate Go client and server boilerplate from OpenAPI 3 specifications

Headless open-source eCommerce platform on top of PHP/Symfony/API Platform

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