GET

/v1/schemas/openai/chat/realtime%2Ftranscription_sessions

kind inputactivity chathash 4e09f2edextracted Jul 6, 2026version currentsource upstream spec ↗

Request body

5 properties · 0 required · 2 $defs
propertytypedescriptionconstraints
turn_detectionobjectConfiguration for turn detection. Can be set to `null` to turn off. Server VAD means that the model will detect the start and end of speech based on audio volume and respond at the end of user speech.
input_audio_noise_reductionobjectConfiguration for input audio noise reduction. This can be set to `null` to turn off. Noise reduction filters audio added to the input audio buffer before it is sent to VAD and the model. Filtering the audio can improve VAD and turn detection accuracy (reducin…default: null
input_audio_formatenumThe format of input audio. Options are `pcm16`, `g711_ulaw`, or `g711_alaw`. For `pcm16`, input audio must be 16-bit PCM at a 24kHz sample rate, single channel (mono), and little-endian byte order.pcm16 | g711_ulaw | g711_alaw · default: "pcm16"
input_audio_transcriptionAudioTranscriptionConfiguration for input audio transcription. The client can optionally set the language and prompt for transcription, these offer additional guidance to the transcription service.
includeenum[]The set of items to include in the transcription. Current available items are: `item.input_audio_transcription.logprobs`

Validate a payload

before you spend tokens
shell
$ curl -X POST https://modelschemas.com/v1/validate \
    -d '{"provider":"openai","endpointId":"realtime/transcription_sessions","payload":{…}}'
→ {"valid": false, "errors": [{"path": "#", "keyword": "required", …}]}