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SnapOtter/apps/docs/tools/audio/merge-audio.md
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description
description
Combine multiple audio files into one sequential track.

Merge Audio

Combine two or more audio files into a single sequential track, concatenated in the order they are uploaded.

API Endpoint

POST /api/v1/tools/audio/merge-audio

Accepts multipart form data with multiple audio files and a JSON settings field.

Parameters

Parameter Type Required Default Description
format string No "mp3" Output format: mp3, wav, flac, m4a

Example Request

curl -X POST http://localhost:1349/api/v1/tools/audio/merge-audio \
  -H "Authorization: Bearer si_your-api-key" \
  -F "file=@intro.mp3" \
  -F "file=@main.mp3" \
  -F "file=@outro.mp3" \
  -F 'settings={"format": "mp3"}'

Example Response

{
  "jobId": "a1b2c3d4-e5f6-7890-abcd-ef1234567890",
  "downloadUrl": "/api/v1/download/a1b2c3d4-e5f6-7890-abcd-ef1234567890/merged.mp3",
  "originalSize": 9500000,
  "processedSize": 9200000
}

Notes

  • Accepts 2 to 10 audio files per request.
  • Files are concatenated in upload order.
  • All input files are re-encoded to the chosen output format and sample rate for seamless joining.
  • Mixed input formats are supported (e.g. one WAV and one MP3).