Overview

広告配信の標準:
- VAST → Video (動画ファイル + コンパニオン + トラッキング)
- MRAID → リッチメディア/インタラクティブディスプレイ
- Native → コンテンツスタイル広告
- SI → 会話型エージェント（エンドポイント + モダリティ + ブランドアセット）

{
  "endpoint": {
    "transports": [
      { "type": "mcp", "url": "https://delta.com/mcp" },
      { "type": "a2a", "url": "https://delta.com/.well-known/agent.json" }
    ],
    "preferred": "mcp"
  },
  "capabilities": {
    "modalities": {
      "voice": { "provider": "elevenlabs", "voice_id": "delta_v1" },
      "video": { "formats": ["mp4", "webm"], "max_duration_seconds": 60 },
      "avatar": { "provider": "d-id", "avatar_id": "delta_avatar" }
    },
    "components": {
      "standard": ["text", "link", "image", "product_card", "carousel", "action_button"],
      "extensions": {
        "chatgpt_apps_sdk": { "app_id": "delta-travel" }
      }
    },
    "commerce": {
      "acp_checkout": true
    }
  },
  "brand_manifest_url": "https://delta.com/.well-known/brand-manifest.json"
}

ブランドの宣言:     voice, avatar, standard components, chatgpt_apps_sdk
ホストのサポート:    voice, standard components, chatgpt_apps_sdk
セッションで利用:    voice, standard components, chatgpt_apps_sdk

User: "I want to talk to Delta about flights"

Host: "I can connect you with Delta's assistant. Would you like me to
       share your info so they can personalize your experience?

       [x] Share my name and email with Delta
       [x] Share my shipping address (for accurate pricing)

       By continuing, you agree to Delta's Privacy Policy [link]"

User: "Yes, share my info"

{
  "identity": {
    "consent_granted": true,
    "consent_timestamp": "2026-01-18T10:30:00Z",
    "consent_scope": ["name", "email", "shipping_address"],
    "privacy_policy_acknowledged": {
      "brand_policy_url": "https://delta.com/privacy",
      "brand_policy_version": "2026-01"
    },
    "user": {
      "email": "[email protected]",
      "name": "Jane Smith",
      "locale": "en-US",
      "shipping_address": {
        "street": "123 Main St",
        "city": "New York",
        "state": "NY",
        "postal_code": "10001",
        "country": "US"
      }
    }
  }
}

{
  "identity": {
    "consent_granted": false,
    "anonymous_session_id": "anon_xyz789"
  }
}

{
  "ui_elements": [
    {
      "type": "product_card",
      "data": {
        "title": "Boston Flight - Jan 25",
        "price": "$199",
        "image_url": "https://delta.com/images/bos.jpg",
        "cta": { "label": "Book Now", "action": "checkout" }
      }
    }
  ]
}

{
  "supported_components": {
    "standard": ["text", "link", "image", "product_card", "carousel", "action_button"],
    "extensions": {
      "chatgpt_apps_sdk": "1.0",
      "maps": true,
      "forms": true
    }
  }
}

{
  "type": "app_handoff",
  "apps": {
    "chatgpt": { "app_id": "delta-travel", "deep_link": "flights/boston" },
    "web": { "url": "https://delta.com/book?dest=BOS" }
  }
}

{
  "type": "action_button",
  "data": {
    "label": "Add to Cart",
    "action": "acp_checkout",
    "payload": { "sku": "DL-BOS-125", "quantity": 1 }
  }
}

{
  "type": "integration_actions",
  "data": {
    "actions": [
      { "type": "mcp", "label": "Add as MCP Tool", "highlighted": true },
      { "type": "a2a", "label": "Connect via A2A" }
    ]
  }
}

{
  "context": "User wants to fly to Boston next Tuesday morning on flight 632 at 6 AM.",
  "identity": {
    "consent_granted": true,
    "user": {
      "email": "[email protected]",
      "name": "Jane Smith",
      "shipping_address": { /* ... */ }
    }
  },
  "media_buy_id": "delta_q1_premium_upgrade",
  "placement": "chatgpt_search",
  "offering_id": "delta_chatgpt_3313",
  "supported_capabilities": { /* what host supports */ }
}

{
  "session_id": "sess_abc123",
  "response": {
    "message": "Hi Jane! I found DL632 departing at 6:15 AM next Tuesday. Great news—as a SkyMiles Gold member, you qualify for our free Premium Economy upgrade on this flight.",
    "ui_elements": [
      {
        "type": "product_card",
        "data": {
          "title": "DL632 to Boston - Tue Jan 27",
          "subtitle": "6:15 AM → 9:42 AM (3h 27m)",
          "price": "$199",
          "badge": "Free Premium Economy Upgrade",
          "image_url": "https://delta.com/images/premium-economy.jpg",
          "cta": { "label": "Book with Upgrade", "action": "checkout" }
        }
      }
    ]
  }
}

Brand Agent → Host: terminate_session(handoff_transaction)
Host → ACP: Delta でチェックアウト開始
ACP → User: 購入フローを実施