> For the complete documentation index, see [llms.txt](https://docs.heyamica.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.heyamica.com/api-system.md).

# API System

- [External API for Agents](https://docs.heyamica.com/api-system/api-reference.md)