> For clean Markdown of any page, append .md to the page URL.
> For a complete documentation index, see https://docs.withpersona.com/2021-05-14/api-reference/versioning/changelog/2021/8/18/llms.txt.
> For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://docs.withpersona.com/_mcp/server.

## API version: v2021-08-18

### Documents

* 💥 **Format of Generic Document responses**: Generic Document responses no longer include the `extraction-results` field. Use `extraction-responses` instead.

### Inquiries

* 💥 **Format of Inquiry Session responses**: Inquiry Session responses no longer include the `browser-fingerprint` field. You can now find this value in the new `device` field under the top-level `relationships` field of a serialized Inquiry Session.