v53

OpenAPI 3.1.0MITraw.githubusercontent.com2026-08-039357238.7 KB

Legs

Inject a message into a running agent session on a leg

Sends a context message or instruction to the running agent. Supported by Deepgram (InjectAgentMessage), Pipecat (TextFrame), and VAPI (control URL). Returns 501 for ElevenLabs.

post/legs/{id}/agent/message

Request body

messagestring required

Context or instruction to inject into the running agent session

Response

Message sent

instance_idstring

Instance identifier

statusstring required