OpenAI API reverse proxy with a 'be back soon' sign
A free reverse proxy that clones OpenAI's API surface so you can query GPT-3.5 without an official key.

What it does
This is a self-hosted reverse proxy that exposes an OpenAI-compatible /v1/chat/completions endpoint for gpt-3.5-turbo. You point existing OpenAI client libraries at your local instance, swap the base URL and API key, and keep the rest of your code unchanged. The authors also operate a separate hosted fallback you can access through their Discord community.
The interesting bit The draw is free, keyless access to GPT-3.5 through an interface that mirrors OpenAI’s official API endpoints. While the self-hosted code is on ice, the authors are pointing users toward a Discord-gated hosted API instead.
Key highlights
- Drop-in compatibility with official OpenAI SDKs and libraries
- Supports streaming responses
- Self-hosted mode requires no API key
- Runs via Docker, local Node.js, or Termux on Android
- Licensed under AGPL-3.0
Caveats
- The authors explicitly state the project is “a bit outdated and isn’t working right now,” with no committed fix timeline
- The self-hosted route is unavailable in some regions without a U.S. VPN
- Accessing the hosted fallback requires joining a Discord server and generating a key via a bot command
Verdict Worth watching if you want a keyless, self-hosted OpenAI alternative once maintenance resumes; steer clear if you need something stable and production-ready today.
Frequently asked
- What is PawanOsman/OpenCursor?
- A free reverse proxy that clones OpenAI's API surface so you can query GPT-3.5 without an official key.
- Is OpenCursor open source?
- Yes — PawanOsman/OpenCursor is open source, released under the MIT license.
- What language is OpenCursor written in?
- PawanOsman/OpenCursor is primarily written in TypeScript.
- How popular is OpenCursor?
- PawanOsman/OpenCursor has 5.9k stars on GitHub.
- Where can I find OpenCursor?
- PawanOsman/OpenCursor is on GitHub at https://github.com/PawanOsman/OpenCursor.