SnapOtter/apps/docs/tools/audio/audio-metadata.md

description

description
View, edit, or strip audio metadata tags (ID3).

Audio Metadata

View, edit, or strip audio metadata tags such as title, artist, and album (ID3 and similar tag formats).

API Endpoint

POST /api/v1/tools/audio/audio-metadata

Accepts multipart form data with an audio file and a JSON settings field.

Parameters

Parameter	Type	Required	Default	Description
strip	boolean	No	false	Remove all existing metadata tags
title	string	No	-	Set the title tag (max 500 characters)
artist	string	No	-	Set the artist tag (max 500 characters)
album	string	No	-	Set the album tag (max 500 characters)

Example Request

Edit metadata tags:

curl -X POST http://localhost:1349/api/v1/tools/audio/audio-metadata \
  -H "Authorization: Bearer si_your-api-key" \
  -F "file=@audio.mp3" \
  -F 'settings={"title": "My Song", "artist": "Artist Name", "album": "Album Name"}'

Strip all metadata:

curl -X POST http://localhost:1349/api/v1/tools/audio/audio-metadata \
  -H "Authorization: Bearer si_your-api-key" \
  -F "file=@audio.mp3" \
  -F 'settings={"strip": true}'

Example Response

{
  "jobId": "a1b2c3d4-e5f6-7890-abcd-ef1234567890",
  "downloadUrl": "/api/v1/download/a1b2c3d4-e5f6-7890-abcd-ef1234567890/audio.mp3",
  "originalSize": 4500000,
  "processedSize": 4480000,
  "metadata": {
    "container": "mp3",
    "durationS": 245.3,
    "bitrateKbps": 192,
    "tags": {
      "title": "My Song",
      "artist": "Artist Name",
      "album": "Album Name"
    }
  }
}

Notes

• The response includes a metadata object with container format, duration, bitrate, and current tags.
• When strip is true, all tag fields are ignored and every existing tag is removed.
• Only the tags you provide are updated; unspecified tags remain unchanged.
• Output format matches the input format.