Persist a voice session transcript message

POST/v1/voice-agents/sessions/{sessionId}/messages

How to call this endpoint

Every ACP API request uses bearer authentication. The examples here show the actual request path, auth header, and body shape that the platform expects.

Path, query, and header parameters

These parameters control which ACP object the endpoint acts on and how the request is processed.

Path parameters
NameLocationTypeRequiredDescription
sessionIdpathstringYesSession ID
Query parameters
None.

Body schema

Content type: application/json · Required

FieldTypeRequiredDescription
roleuser | assistantYes
contentstringYesRaw text content.
eventobjectNo

What the API returns

Each response code below includes the documented payload shape for the ACP API.

201Transcript message createdapplication/json
FieldTypeRequiredDescription
createdbooleanNo
Persist a voice session transcript message
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Response 201
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