POST
/realtime/callsCreate call
Create a new Realtime API call over WebRTC and receive the SDP answer needed to complete the peer connection.
- RetriesRetries up to 2×, 500ms backoff, 30s timeout.
sdpstringrequired
WebRTC Session Description Protocol (SDP) offer generated by the caller.
sessionobjectoptional
Optional session configuration to apply before the realtime session is
created. Use the same parameters you would send in a [`create client secret`](https://developers.openai.com/api/reference/resources/realtime/subresources/client_secrets/methods/create)
request.
201Realtime call created successfully.