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

# API

- [API Overview](https://support.holidayhero.com/api/api-overview.md)
- [Connect API](https://support.holidayhero.com/api/connect-api.md)
- [Messaging Integration](https://support.holidayhero.com/api/connect-api/messaging-integration.md)
- [Guest API](https://support.holidayhero.com/api/guest-api.md)
- [MCP](https://support.holidayhero.com/api/mcp.md): The connected guest experience.
- [Activity](https://support.holidayhero.com/api/mcp/activity.md): An Audit Trail for MCP.