# 4626.fun auth docs

There is no public 4626.fun API key.

- GET /api/v1/* reads are public and rate-limited.
- POST /api/v1/build/* and other write routes need a 4626.fun session cookie or SIWA.
- A 401 means authenticate. Do not invent a bearer token.
- Webhooks: https://4626.fun/developers/webhooks
- API docs: https://4626.fun/developers/api