# Import this cURL into the HTTP Request node
# and add a n8n Binary File
curl --request POST \
  --url https://api.nexara.ru/api/v1/audio/transcriptions \
  --header 'Authorization: Bearer NEXARA_API_KEY' \
  --header 'Content-Type: multipart/form-data'

{
  "task": "transcribe",
  "language": "en",
  "duration": 9.12,
  "text": "The beach was a popular spot on a hot summer day. People were swimming in the ocean, building sandcastles, and playing beach volleyball.",
  "segments": [
    {
      "id": 0,
      "seek": 0,
      "start": 0,
      "end": 3.319999933242798,
      "text": "The beach was a popular spot on a hot summer day.",
      "tokens": [
        50364,
        440,
        7534,
        390,
        257,
        3743,
        4008,
        322,
        257,
        2368,
        4266,
        786,
        13,
        50530
      ],
      "temperature": 0,
      "avg_logprob": 0,
      "compression_ratio": 0,
      "no_speech_prob": 0
    }
  ]
}

​
Supported Formats and Limitations

  • Supported formats: mp3, wav, mp3, m4a, flac, ogg, opus, mp4, mov, avi, mkv. Furthermore, sending files by their URL is supported by the API.
  • Maximum file size: 1GB. If you need more, write to Support.
  • Minimum audio length: 0.3 seconds.
  • Maximum audio length: 10 hours.
  • Rate limit: 10 requests per second.

To save bandwidth, it is recommended to convert video files to audio formats, for example using ffmpeg:

ffmpeg -i input.mp4 -vn -c:a aac -b:a 192k output.m4a

In this example, the video file input.mp4 is converted to output.m4a with a bitrate of 192 kbps.

​
Examples

Click the picker on the right, which is either verbose_json_example, json_example or diarization_example to view the example responses.

# Import this cURL into the HTTP Request node
# and add a n8n Binary File
curl --request POST \
  --url https://api.nexara.ru/api/v1/audio/transcriptions \
  --header 'Authorization: Bearer NEXARA_API_KEY' \
  --header 'Content-Type: multipart/form-data'

Authorizations

​
Authorization
string
header
required

Use your API key as a Bearer token in the Authorization header. Example: Authorization: Bearer nx-yourkey

Body

multipart/form-data

Response

200
application/json

Successful transcription or diarization response. The format depends on the 'response_format' parameter.

The response is of type object.