> For clean Markdown of any page, append .md to the page URL. > For a complete documentation index, see https://poly-ai.ferndocs.com/api-reference/runtime-data/concurrent-calls-api/llms.txt. > For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://poly-ai.ferndocs.com/_mcp/server. # Concurrent Calls API ## Docs - [Concurrent Calls API](https://poly-ai.ferndocs.com/api-reference/runtime-data/concurrent-calls-api/overview.md): Track concurrent conversations over time for capacity planning and monitoring.