Submit an audio file for asynchronous transcription.

This endpoint expects a multipart form containing a file.

filefileRequired

Audio file (MP3/WAV/MP4/WebM/etc.).

languagestring or nullOptional

Target language (ISO-639-1). Supported: en, ja, ko, zh. Defaults to ‘ja’.

with_timestampsbooleanOptionalDefaults to false

Include per-segment timestamps in the GET response. Adds tokenizer + silero-VAD work; disabled by default for the lighter text-only path.

Successful Response

job_idstring

The unique ID of the created job

422

Unprocessable Entity Error