# One For All Auth

> Lets Even Realities (Even Hub) apps use a user's Groq AI and Spotify without asking for API keys. The user approves a short code once; the app never sees their keys.

## Docs

- [Developer guide (Markdown)](https://14a.dev/developers.md): integration in 4 steps, SDK reference, errors, raw HTTP API
- [Developer guide (HTML)](https://14a.dev/docs): same content as a web page
- [Register an app](https://14a.dev/developer): get a client ID (requires a free account)
- [SDK](https://14a.dev/sdk/oneforall.js): single-file ES module, no dependencies ([types](https://14a.dev/sdk/oneforall.d.ts))