> For clean Markdown of any page, append .md to the page URL.
> For a complete documentation index, see https://dev.hume.ai/voice/reference/speech-to-speech-evi/chat-webhooks/llms.txt.
> For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://dev.hume.ai/_mcp/server.

# Chat Webhooks


## API Docs

- Chat Webhooks [Chat Ended](https://dev.hume.ai/voice/reference/speech-to-speech-evi/chat-webhooks/chat-ended.md)
- Chat Webhooks [Chat Started](https://dev.hume.ai/voice/reference/speech-to-speech-evi/chat-webhooks/chat-started.md)
- Chat Webhooks [Tool Call](https://dev.hume.ai/voice/reference/speech-to-speech-evi/chat-webhooks/tool-call.md)

## OpenAPI Specification

The raw OpenAPI 3.1 specification for this API is available at:
- [OpenAPI JSON](https://dev.hume.ai/voice/reference/speech-to-speech-evi/chat-webhooks/openapi.json)
- [OpenAPI YAML](https://dev.hume.ai/voice/reference/speech-to-speech-evi/chat-webhooks/openapi.yaml)