Audio Ads

{
  "format_id": {
    "agent_url": "https://creative.adcontextprotocol.org",
    "id": "audio_30s"
  },
  "type": "audio",
  "assets": [
    {
      "asset_id": "audio_file",
      "asset_type": "audio",
      "asset_role": "hero_audio",
      "required": true,
      "requirements": {
        "duration": "30s",
        "format": ["MP3", "M4A"],
        "bitrate_min": "128kbps",
        "max_file_size_mb": 5
      }
    }
  ]
}

{
  "format_id": {
    "agent_url": "https://creative.adcontextprotocol.org",
    "id": "audio_30s_companion"
  },
  "type": "audio",
  "assets": [
    {
      "asset_id": "audio_file",
      "asset_type": "audio",
      "asset_role": "hero_audio",
      "required": true,
      "requirements": {
        "duration": "30s",
        "format": ["MP3", "M4A"],
        "bitrate_min": "128kbps"
      }
    },
    {
      "asset_id": "companion_banner",
      "asset_type": "image",
      "asset_role": "companion_banner",
      "required": false,
      "requirements": {
        "width": 640,
        "height": 640,
        "file_types": ["jpg", "png", "webp"],
        "notes": "Displays during audio playback on screen-enabled devices"
      }
    }
  ]
}

{
  "format_id": {
    "agent_url": "https://creative.adcontextprotocol.org",
    "id": "podcast_midroll_60s"
  },
  "type": "audio",
  "assets": [
    {
      "asset_id": "audio_file",
      "asset_type": "audio",
      "asset_role": "hero_audio",
      "required": true,
      "requirements": {
        "duration": "60s",
        "format": ["MP3", "M4A"],
        "bitrate_min": "128kbps",
        "max_file_size_mb": 10
      }
    }
  ]
}

{
  "format_id": {
    "agent_url": "https://creative.adcontextprotocol.org",
    "id": "audio_dynamic_30s"
  },
  "type": "audio",
  "assets": [
    {
      "asset_id": "intro_audio",
      "asset_type": "audio",
      "asset_role": "intro",
      "required": true,
      "requirements": {
        "duration": "5s",
        "format": ["MP3"]
      }
    },
    {
      "asset_id": "product_audio",
      "asset_type": "audio",
      "asset_role": "product_message",
      "required": true,
      "requirements": {
        "duration": "15s",
        "format": ["MP3"]
      }
    },
    {
      "asset_id": "cta_audio",
      "asset_type": "audio",
      "asset_role": "call_to_action",
      "required": true,
      "requirements": {
        "duration": "10s",
        "format": ["MP3"]
      }
    }
  ],
  "delivery": {
    "method": "server_side_stitching"
  }
}

{
  "format_id": {
    "agent_url": "https://creative.adcontextprotocol.org",
    "id": "audio_30s"
  },
  "assets": {
    "audio_file": {
      "asset_type": "audio",
      "url": "https://cdn.brand.com/audio_spring_30s.mp3",
      "duration": 30,
      "format": "audio/mpeg"
    },
    "impression_tracker": {
      "asset_type": "url",
      "url_type": "tracker",
      "url": "https://track.brand.com/imp?buy={MEDIA_BUY_ID}&station={APP_BUNDLE}&cb={CACHEBUSTER}"
    },
    "landing_url": {
      "asset_type": "url",
      "url_type": "clickthrough",
      "url": "https://brand.com/spring?campaign={MEDIA_BUY_ID}"
    }
  }
}

{
  "format_id": {
    "agent_url": "https://creative.adcontextprotocol.org",
    "id": "audio_30s_vast"
  },
  "assets": {
    "vast_url": {
      "asset_type": "url",
      "url_type": "tracker",
      "url": "https://adserver.brand.com/vast?cb={CACHEBUSTER}"
    },
    "impression_tracker": {
      "asset_type": "url",
      "url_type": "tracker",
      "url": "https://track.brand.com/vast_imp?buy={MEDIA_BUY_ID}"
    }
  }
}

{
  "format_id": {
    "agent_url": "https://creative.adcontextprotocol.org",
    "id": "audio_30s_companion"
  },
  "assets": {
    "audio_file": {
      "asset_type": "audio",
      "url": "https://cdn.brand.com/audio_spring_30s.mp3",
      "duration": 30,
      "format": "audio/mpeg"
    },
    "companion_banner": {
      "asset_type": "image",
      "url": "https://cdn.brand.com/companion_640x640.png",
      "width": 640,
      "height": 640
    },
    "landing_url": {
      "asset_type": "url",
      "url_type": "clickthrough",
      "url": "https://brand.com/audio_offer"
    }
  }
}