sessions
Post Session Message
Start the next turn of an existing session.
409 while a turn is active (the lock-by-insert unique index); 402-class SessionGateError with a machine-readable reason on gate failure — nothing is persisted in either case (decision 15: no fake "queued" state).
post/sessions/{session_id}/messages
Path parameters
session_idstring uuid required
Headers
X-Posthog-Session-Idstring nullable
X-Client-Mobilestring nullable
Request body
Response
Successful Response
Changes
No recorded changes to this endpoint across all 1 revision of this API.