# haau3 Platform

> Developer documentation for the haau3 platform API (api.haau3.com).

## Docs

- [List scheduling publishers](https://docs.haau3.com/api-reference/scheduling/list-scheduling-publishers.md): Returns the SMART Scheduling Links publishers (sources) the platform ingests. Requires a valid API key.
- [Search appointment slots](https://docs.haau3.com/api-reference/scheduling/search-appointment-slots.md): Returns provider availability slots matching the filters, with pagination. Requires a valid API key.
- [Authentication](https://docs.haau3.com/authentication.md): How haau3 platform API keys work, and the 401 contract.
- [haau3 Platform](https://docs.haau3.com/index.md): Healthcare APIs built for speed and clinical accuracy.
- [Quickstart](https://docs.haau3.com/quickstart.md): Create a free API key and make your first authenticated call to the Scheduling API.
- [SMART Scheduling Links](https://docs.haau3.com/scheduling/smart-scheduling-links.md): How the haau3 Scheduling API aggregates provider availability from SMART Scheduling Links publishers.

## OpenAPI Specs

- [openapi](https://docs.haau3.com/api-reference/openapi.json)