> 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/legacy/conversations-api-v-3-legacy/llms.txt.
> For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://poly-ai.ferndocs.com/_mcp/server.

# Conversations API v3 (legacy)

## Docs

- [Conversations API](https://poly-ai.ferndocs.com/api-reference/legacy/conversations-api-v-3-legacy/overview.md): Retrieve conversation transcripts, metadata, and performance metrics for analytics, compliance, and integration.
- [Create a new debug chat session](https://poly-ai.ferndocs.com/api-reference/legacy/conversations-api-v-3-legacy/debug-chat/create-a-new-debug-chat-session.md): Start a new debug chat session to interactively test an agent variant outside of production traffic. Served from api.{region}.poly.ai.
- [Send a message to a debug chat session](https://poly-ai.ferndocs.com/api-reference/legacy/conversations-api-v-3-legacy/debug-chat/send-a-message-to-a-debug-chat-session.md): Send a user turn into an existing debug chat session and return the agent's response. Served from api.{region}.poly.ai.