> 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/control-plane/llms.txt.
> For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://dev.hume.ai/_mcp/server.

# Control Plane


## API Docs

- Control Plane [Control Plane](https://dev.hume.ai/voice/reference/speech-to-speech-evi/control-plane/chat-chat-id-connect.md)
- Control Plane [Send Message](https://dev.hume.ai/voice/reference/speech-to-speech-evi/control-plane/send.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/control-plane/openapi.json)
- [OpenAPI YAML](https://dev.hume.ai/voice/reference/speech-to-speech-evi/control-plane/openapi.yaml)


## AsyncAPI Specification

The raw AsyncAPI 2.6.0 specification for the WebSocket channels is available at:
- [AsyncAPI JSON](https://dev.hume.ai/voice/reference/speech-to-speech-evi/control-plane/asyncapi.json)
- [AsyncAPI YAML](https://dev.hume.ai/voice/reference/speech-to-speech-evi/control-plane/asyncapi.yaml)