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

# Overview

Methods for working with the HeyReach blacklist. Add and remove the leads and companies that your campaigns must never contact, and read back what is on the list.

The blacklist is workspace-scoped: each workspace keeps its own leads and companies, and an API key only ever sees and changes its own workspace's entries.