Open source api projects

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

Hyperextensible, Lua-powered Vim-based text editor

Sleek, intuitive API development and testing platform

Headless CMS with REST and GraphQL APIs out of the box

Lightning-fast search for your applications

Self-hosted AI runtime for text, voice, vision, and agents

Powerful API development and testing made effortless

Open-source data platform for effortless content management

LLM API 管理 & 分发系统，支持 OpenAI、Azure、Anthropic Claude、Google Gemini、DeepSeek、字节豆包、ChatGLM、文心一言、讯飞星火、通义千问、360 智脑、腾讯混元等主流模型，统一 API 适配，可用于 key 管理与二次分发。单可执行文件，提供 Docke

REST API for any Postgres database

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

Automate any website workflow with AI and computer vision

Secure password management for individuals and businesses

No-code web scraping, crawling, and extraction platform

High-performance API gateway with built-in LLM support

Free offline machine translation API you can host yourself

Open-source API documentation and testing platform

Visual database for workflow automation across apps

An API documentation generator for JavaScript.

Offline documentation browser. Your personal reference library, searchable in an instant.

Build product integrations with 500+ APIs in hours

Lightning-fast open source search engine for big data

Universal API management for REST, GraphQL, gRPC & async

Telegram Bot API for NodeJS

🕸️ Create REST and GraphQL APIs, scaffold Jamstack webapps, stream changes in real-time.

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

Light, flexible and extensible ASGI framework | Built to scale

Effortless API mocking for seamless development

A RWKV management and startup tool, full automation, only 8MB. And provides an interface compatible with the OpenAI API. RWKV is a large language model that is

Design-first Go framework that generates API code, documentation, and clients. Define once in an elegant DSL, deploy as HTTP and gRPC services with zero drift b

Headless CMS with automatic JSON API. Featuring auto-HTTPS from Let's Encrypt, HTTP/2 Server Push, and flexible server framework written in Go.

Official Notion JavaScript Client

Typesafe APIs Made Simple 🪄

Organize, collaborate, and conquer your tasks

Secure, scalable API key management for developers

QOR is a set of libraries written in Go that abstracts common features needed for business applications, CMSs, and E-commerce systems.

Build reliable AI agents with unified tool integration

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

Static site generator for .NET API documentation.

PRAW, an acronym for "Python Reddit API Wrapper", is a python package that allows for simple access to Reddit's API.

Create stunning data visualizations with ease

Modern command-line HTTP client for the API era

Input OpenAPI. Output SDKs and Docs.

A simple API client (postman like) in your terminal

Catch API bugs before your users do

Group chat for friends and communities, without the baggage

PHP Curl Class makes it easy to send HTTP requests and integrate with web APIs

API Dash is a beautiful AI-powered open-source cross-platform (Desktop & Mobile) API Client built using Flutter which can help you easily create & customize you

Unified API development ecosystem for modern teams

API for Current cases and more stuff about COVID-19 and Influenza

Guia de Back-end: trilhas, cursos, livros, canais, ferramentas e comunidades para você entrar e evoluir na área.

Create, sell, and manage online courses with full control

The open source, cloud native tool for API Mocking and Testing. Microcks is a Cloud Native Computing Foundation incubating project 🚀

ARA Records Ansible and makes it easier to understand and troubleshoot.

📹 Data-driven render automation for After Effects

SonicJS - The edge-native headless CMS for Cloudflare Workers. Sub-100ms response times, zero cold starts, TypeScript-first. Built on D1, R2, and Hono.

An open, scalable, online streaming setup. All-in-one toolkit from ingest to adaptive video playback. Built for developers in need of video tooling.

Self-hosted SERP API for Google, Bing, Yandex, and more

C++ Discord API Bot Library - D++ is Lightweight and scalable for small and huge bots!

Smocker is a simple and efficient HTTP mock server and proxy