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POST
/
api
/
velma-2-stt-batch-english-vfast
Transcribe an English audio file
curl --request POST \
  --url https://platform.modulate.ai/api/velma-2-stt-batch-english-vfast \
  --header 'Content-Type: multipart/form-data' \
  --header 'X-API-Key: <api-key>' \
  --form upload_file='@example-file'
{
  "text": "Hello, how are you doing today?",
  "duration_ms": 2000
}

Authorizations

​
X-API-Key
string
header
required

API key used for authentication and usage tracking.

Body

multipart/form-data
​
upload_file
file
required

Audio file to transcribe. Must be non-empty. Supported formats: .aac, .aiff, .flac, .mov, .mp3, .mp4, .ogg, .opus, .wav, .webm. Maximum file size: 100 MB.

Response

Transcription completed successfully.

​
text
string
required

The complete transcribed text from the audio file. Text includes automatic capitalization and punctuation. May be an empty string if no speech was recognized.

Example:

"Hello, how are you doing today?"

​
duration_ms
integer
required

The total duration of the processed audio in milliseconds.

Required range: x >= 0
Example:

14253