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

# New attributes added in Transactional webhooks

New attributes added for Transactional webhooks in `sent`, `clicked`, `opened`, `proxy_open` and `unsubscribe`.

**Route**: [Transactional webhooks](https://developers.brevo.com/docs/transactional-webhooks)