A4F

Documentation

API Reference
POST

Audio Transcriptions

/v1/audio/transcriptions

Transcribes audio into the input language.

Interactive Example

Request & Response Example

curl https://api.a4f.co/v1/audio/transcriptions \
  -H "Authorization: Bearer YOUR_A4F_API_KEY" \
  -F file=@/path/to/your/audio.mp3 \
  -F model="provider-3/whisper-1"

Headers

Authorization

string
Required
Bearer token for authentication.

Content-Type

string
Required
Must be multipart/form-data. This is handled by your HTTP client.

Request Body (Multipart Form)

model

string
Required
ID of the transcription model to use. Must be of type audio/transcriptions.

file

file
Required
The audio file object to transcribe.

Response Body (200 OK)

text

string
The transcribed text.

duration

number
The duration of the audio in seconds.

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