Realtime WebRTC SDP exchange

Negotiates a WebRTC peer connection with the realtime provider on behalf of the client. Implements the OpenAI GA /realtime/calls contract: the request body is multipart/form-data with sdp (client SDP offer) and session (JSON session description containing model).

Bifrost forwards the offer to the upstream provider, returns the upstream SDP answer to the client, and pipes RTP media between the two peers for the lifetime of the session.

Inference auth applies (Bearer/Basic/Virtual Key/API Key).

POST /v1/realtime/calls

Error

A valid request URL is required to generate request examples

200

"<string>"

Authorizations

BearerAuthBasicAuthVirtualKeyAuthApiKeyAuth

Authorization · string · header · required

Bearer token authentication. Use your provider API key or Bifrost authentication token. Virtual keys (prefixed with sk-bf-) can also be passed here.

Body

multipart/form-dataapplication/sdp

sdp · string · required

Client-generated SDP offer

session · string · required

JSON-encoded session descriptor. session.model is required and must be in provider/model form.

Response

200

application/sdp

SDP answer from the upstream realtime provider

The response is of type string.