OpenAI OAuth: Turning ChatGPT Into an API
EvanZhouDev · reddit · 2026-07-16
The author released the OpenAI OAuth project, claiming it can turn a ChatGPT account into a usable OpenAI-compatible API. By running a single command, users get a local endpoint with no API key required.\n\nFurthermore, it champions a "Sign in with ChatGPT" feature, allowing users to log into AI apps using their ChatGPT accounts and then connect to clients like the Vercel AI SDK. The project is open-source, with the authentication chain passing exclusively between the browser and OpenAI.
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