An API can be thought of as an instruction manual for communication between multiple software apparatuses. For example, an API may be used for database communication between web applications. By extracting the implementation and relinquishing data into objects, an API simplifies programming.
A collective list of free APIs
Vim-fork focused on extensibility and usability
FastAPI framework, high performance, easy to learn, fast to code, ready for production
Open-Source API Development Ecosystem • https://hoppscotch.io • Offline, On-Prem & Cloud • Web, Desktop & CLI • Open-Source Alternative to Postman, In...
Get a full fake REST API with zero coding in less than 30 seconds (seriously)
Dear ImGui: Bloat-free Graphical User interface for C++ with minimal dependencies
🚀 Strapi is the leading open-source headless CMS. It’s 100% JavaScript/TypeScript, fully customizable, and developer-first.
A lightning-fast search engine API bringing AI-powered hybrid search to your sites and applications.
LocalAI is the open-source AI engine. Run any model - LLMs, vision, voice, image, video - on any hardware. No GPU required.
A cryptocurrency trading API with more than 100 exchanges in JavaScript / TypeScript / Python / C# / PHP / Go
Payload is the open-source, fullstack Next.js framework, giving you instant backend superpowers. Get a full TypeScript backend and admin panel instant...
🧙♀️ Move Fast and Break Nothing. End-to-end typesafe APIs made easy.
Opiniated RAG for integrating GenAI in your apps 🧠 Focus on your product rather than the RAG. Easy integration in existing products with customisat...
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.
Free ChatGPT&DeepSeek API Key,免费ChatGPT&DeepSeek API。免费接入DeepSeek API和GPT4 API,支持 gpt | deepseek | claude | gemini | grok 等排名靠前的常用...
Beautiful static documentation for your API
The flexible backend for all your projects 🐰 Turn your DB into a headless CMS, admin panels, or apps with a custom UI, instant APIs, auth & more.
Blazing fast, instant realtime GraphQL APIs on all your data with fine grained access control, also trigger webhooks on database events.
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...
网易云音乐 Node.js API service
Web APIs for Django. 🎸
YApi 是一个可本地部署的、打通前后端及QA的、可视化的接口管理平台
REST API for any Postgres database
A complete and graceful API for Wechat. 微信个人号接口、微信机器人及命令行微信,三十行即可自定义个人号机器人。
OpenAPI Generator allows generation of API client libraries (SDK generation), server stubs, documentation and configuration automatically given an Ope...
短信转发器——监控Android手机短信、来电、APP通知,并根据指定规则转发到其他手机:钉钉群自定义机器人、钉钉企业内机器人、企业微信群机器人、飞书机器人、企业...
⚡️IPTV直播源自动更新平台『🤖全自动采集、筛选、测速、生成🚀』:自定义获取频道;IPv4/IPv6;接口验效;推流;多平台支持;工作流、Docker、命令行、GUI多端...
Microsoft REST API Guidelines
Checklist of the most important security countermeasures when designing, testing, and releasing your API
A fast, local first, reactive Database for JavaScript Applications https://rxdb.info/
lightweight, idiomatic and composable router for building Go HTTP services
A WhatsApp client library for NodeJS that connects through the WhatsApp Web browser app
Automate browser based workflows with AI
Security Guide for Developers
Normalizes nested JSON according to a schema
Collection of comprehensive TypeScript libraries for Interaction with the Ethereum JSON RPC API and utility functions.
哔哩哔哩-API收集整理【不断更新中....】
Bitwarden infrastructure/backend (API, database, Docker, etc).
Industry standard API mocking for JavaScript.
🚀「Douyin_TikTok_Download_API」是一个开箱即用的高性能异步抖音、快手、TikTok、Bilibili数据爬取工具,支持API调用,在线批量解析及下载。
Open-source platform for creating safe, isolated production sandboxes for API, integration, and E2E testing.
The Cloud-Native API Gateway and AI Gateway
Organize world's knowledge, explore connections and curate learning paths
收集免费的接口服务,做一个api的搬运工
Amplication brings order to the chaos of large-scale software development by creating Golden Paths for developers - streamlined workflows that drive c...
An API documentation generator for JavaScript.
🔥 The open-source no-code platform for web scraping, crawling, search and AI data extraction • Turn websites into structured APIs in minutes 🔥
iii (pronounced “three eye”) unifies your existing backend stack with a single engine and three primitives: Function, Trigger, and Worker.
🚀🎉📚 APITable, an API-oriented low-code platform for building collaborative apps and better than all other Airtable open-source alternatives.