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OpenAPI Specification

openapi: 3.2.0
info:
  title: ACRCloud Audio Files Metadata API
  description: Specification of the ACRCloud automatic content recognition (ACR) APIs. The Identification API recognizes music, custom audio, live channels, and humming from a short audio sample or a precomputed fingerprint using HMAC-SHA1 signed requests. The Console API (api-v2.acrcloud.com) manages buckets, audio files, file-scanning containers, and broadcast-monitoring projects using bearer-token access tokens, and the external Metadata API enriches tracks with third-party music metadata.
  termsOfService: https://www.acrcloud.com/terms/
  contact:
    name: ACRCloud Support
    email: support@acrcloud.com
    url: https://www.acrcloud.com
  version: '1.0'
servers:
- url: https://identify-eu-west-1.acrcloud.com
  description: Identification API (EU West region; other regions use identify-{region}.acrcloud.com)
- url: https://api-v2.acrcloud.com
  description: Console API and bucket/file/project management
- url: https://eu-api-v2.acrcloud.com
  description: External Metadata API (region-specific host)
tags:
- name: Metadata
  description: Look up enriched third-party music metadata.
paths:
  /api/external-metadata/tracks:
    get:
      operationId: getExternalMetadataTracks
      tags:
      - Metadata
      summary: Look up enriched track metadata.
      description: Returns enriched music metadata for a track resolved by ISRC, ACR ID, source URL, or free-text query, including platform-specific external IDs and links across Spotify, Deezer, YouTube, and Apple Music.
      security:
      - bearerAuth: []
      parameters:
      - name: isrc
        in: query
        schema:
          type: string
      - name: acr_id
        in: query
        schema:
          type: string
      - name: source_url
        in: query
        schema:
          type: string
      - name: query
        in: query
        schema:
          type: string
      - name: platforms
        in: query
        description: Comma-separated platforms (max 5). Default spotify,deezer,youtube,applemusic.
        schema:
          type: string
      - name: include_works
        in: query
        schema:
          type: integer
      - name: format
        in: query
        schema:
          type: string
          enum:
          - text
          - json
          default: text
      responses:
        '200':
          description: Track metadata.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/MetadataTrack'
components:
  schemas:
    MetadataTrack:
      type: object
      properties:
        name:
          type: string
        isrc:
          type: string
        duration_ms:
          type: integer
        release_date:
          type: string
        artists:
          type: array
          items:
            type: object
            properties:
              name:
                type: string
        album:
          type: object
          properties:
            name:
              type: string
            upc:
              type: string
            label:
              type: string
        genres:
          type: array
          items:
            type: string
        external_metadata:
          type: object
          description: Platform-specific IDs, links, and preview URLs.
        works:
          type: array
          items:
            type: object
            description: Composition details and contributors (when include_works=1).
  securitySchemes:
    acrSignature:
      type: apiKey
      in: query
      name: signature
      description: HMAC-SHA1 request signing for the Identification API. The client sends access_key, timestamp, signature_version=1, data_type, and a Base64 signature. The signature is HMAC-SHA1 of the string "POST\n/v1/identify\n {access_key}\n{data_type}\n1\n{timestamp}" keyed with the access_secret.
    bearerAuth:
      type: http
      scheme: bearer
      description: 'Console API access token created in the ACRCloud console developer settings and sent as "Authorization: Bearer {token}".'