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Api200

API 200 is an open source API gateway to simplify 3rd-party integrations. Import endpoints, set up caching, retries, and mocks. Access all services via one URL. Monitor logs, track errors, and get alerts on API incidents.

From API-200·Updated May 29, 2026·View on GitHub·

API 200 is all-in-one gateway for managing third-party APIs efficiently. Integrate third-party APIs or setup MCP server in minutes with auto-generated code, docs, auth, caching and error handling – so you can focus on what really matters. The project is written primarily in TypeScript, distributed under the Other license, first published in 2025. Key topics include: alternative, api, api-gateway, api-integration, api-management.

Latest release: v0.3.0
May 10, 2025View Changelog →
<img src="assets/banner.png" alt="API 200 Logo" style="width:100%; display:block;"> <p align="center" style="margin-top: 20px"> The Open Source API Integration Platform. <br> <a href="https://documenso.com"><strong>Learn more »</strong></a> <br /> <br /> <a href="https://api200.co">Website</a> · <a href="https://github.com/API-200/api200/issues">Issues</a> · <a href="https://github.com/API-200/api200/wiki/Roadmap">Roadmap</a> </p>

About API 200

API 200 is all-in-one gateway for managing third-party APIs efficiently. Integrate third-party APIs or setup MCP server in minutes with
auto-generated code, docs, auth, caching and error handling – so you can focus on what really matters.

<div align="center"> <img src="assets/features.png" style="width: 80%;" /> </div>

Key Features

Fast API Setup:

  • Authentication management
  • Response caching
  • Automatic retries
  • Mock responses
  • Response transformation
  • Fallback responses
  • Custom headers

Schema Watching: Get notified when one of your APIs changes response schema

Incident Detection: Dedicated tab for incidents automatically detected by the system

In-browser Swagger Integration

Import Endpoints from OpenAPI and Postman

Endpoint Monitoring: Convenient charts with your endpoint's statistics

Comprehensive Logging

MCP Support (read more)

Features in Progress:

  • More authentication methods

Quickstart

Get started immediately with our managed version of API 200. Users can go to our cloud platform and start integrating
API endpoints instantly without any setup or infrastructure management. Visit API200.co to begin.

MCP

To configure the API200 MCP server with Claude Desktop (or any other client):

  1. Open Claude Desktop settings
  2. Navigate to Developer settings
  3. Add a new custom tool with the following configuration (can be found on the Credentials tab):
json
{ "mcpServers": { "api200": { "command": "npx", "args": [ "api200-mcp@latest" ], "env": { "USER_KEY": "your-api-key-here" } } } }

Self-Hosted Setup

Prerequisites

  • Docker
  • Docker Compose
  • Node.js
  • npm

Installation

bash
# Clone the repository and install dependencies git clone https://github.com/API-200/api200-selfhosted cd api200-selfhosted npm i # Run setup script # For localhost (admin privileges recommended): sudo node setup.js # OR for non-localhost: node setup.js # Start services docker-compose up -d

⚠️ Note: Localhost setup requires host file modification (127.0.0.1 kong), needing admin privileges.

Access Your Installation

  • Frontend: http://<your-hostname-or-ip>:3000
  • API Handler: http://<your-hostname-or-ip>:8080

Community and Support 🤝

  • Check out the Discussions for ideas and feedback
  • Report bugs or request features through Issues
  • ⭐ Star our repository to help us raise awareness

Contact us

For support, custom implementations, or any other inquiries:
Contact us

Tech Stack

<p align="left"> <a href="https://koajs.com/"><img src="https://img.shields.io/badge/Koa-33333D?logo=koa&logoColor=white&style=flat-square" alt="Koa"></a> <a href="https://redis.io/"><img src="https://img.shields.io/badge/Redis-DC382D?logo=redis&logoColor=white&style=flat-square" alt="Redis"></a> <a href="https://nextjs.org/"><img src="https://img.shields.io/badge/Next.js-000000?logo=nextdotjs&logoColor=white&style=flat-square" alt="Next.js"></a> <a href="https://supabase.com/"><img src="https://img.shields.io/badge/Supabase-3ECF8E?logo=supabase&logoColor=white&style=flat-square" alt="Supabase"></a> </p>
  • Koa - Backend Framework
  • Redis - Caching Layer
  • Supabase - Database & Auth
  • Next.js - Frontend Framework
  • shadcn/ui - Component Library

License

API 200 is licensed under Sustainable Use License. See
the LICENSE file for more details.

Contributors

Showing top 2 contributors by commit count.

View all contributors on GitHub →

This article is auto-generated from API-200/api200 via the GitHub API.Last fetched: 6/24/2026