> For clean Markdown of any page, append .md to the page URL.
> For a complete documentation index, see https://developers.hellosign.com/llms.txt.
> For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://developers.hellosign.com/_mcp/server.

## Documentation Improvements

* Added list of possible Fax status and error codes to [Fax](/api/reference/fax/) documentation.