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

Changes

Changed in 2 of the 67 revisions of this API.11

Mar 26, 20267856459e2b721See the full diff
- ○
  endpoint added
  endpoint-added
This revision also has 1 change that name no endpoint, such as unreferenced schemas being removed. See the revision's changelog
Mar 26, 2026d09c97c6ca8c1See the full diff
- ▲
  api path removed without deprecation
  api-path-removed-without-deprecation
This revision also has 40 changes that name no endpoint, such as unreferenced schemas being removed. See the revision's changelog

Full history