# What I Wish developer docs > Section index for the public API of What I Wish, a free gift-list app. No account, no API key, no token. - [API docs](https://whatiwish.app/docs): basics, errors, rate limits, every public endpoint with curl examples - [OpenAPI 3.1 spec](https://whatiwish.app/openapi.json): machine-readable contract, paths under /api/v1/ - [API catalog](https://whatiwish.app/.well-known/api-catalog): RFC 9727 linkset pointing at the spec and the docs - [Authentication notes](https://whatiwish.app/auth.md): why there is none for the public operations - [Agent instructions](https://whatiwish.app/agent.txt): when to use the product and how to call it - [Site index](https://whatiwish.app/llms.txt): the whole site for assistants