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Realtime WebSocket referenceOpenAI SDK-compatible realtime transcription

OpenAI realtime server events

Reference for the OpenAI GA transcription events AllModels returns on /oai/realtime: session, speech detection, transcript delta, and error events.

The raw document is available at /audio/docs/asyncapi.yaml and from the API at api.allmodels.io/asyncapi.yaml.

Reference for the OpenAI GA transcription events AllModels returns on /oai/realtime: session, speech detection, transcript delta, and error events.

OpenAI SDK-compatible realtime transcription

Address

/oai/realtime

Description

GA OpenAI Realtime transcription events across supported STT providers.

Authorization

http
AuthorizationBearer <token>

AllModels API key supplied as the Authorization Bearer token.

Messages

OpenAI realtime client events RECEIVE

Reference for the OpenAI GA transcription events a client sends on /oai/realtime: session updates and input audio buffer append, commit, and clear.

Speech Engine client frames RECEIVE

Reference for the frames a client device sends in an ElevenLabs-compatible Speech Engine conversation: audio input, pong, and typed user messages.