> ## Documentation Index
> Fetch the complete documentation index at: https://docs.adcontextprotocol.org/llms.txt
> Use this file to discover all available pages before exploring further.

# Carousel Ads

> Canonical image-carousel creative contracts for multi-card advertising.

Use `image_carousel` when one creative contains an ordered set of cards. Card count, fields, image constraints, and optional hero assets live in canonical parameters and slots.

```json theme={null}
{
  "format_option_id": "product_carousel",
  "format_kind": "image_carousel",
  "params": {
    "min_cards": 3,
    "max_cards": 10,
    "slots": [
      { "asset_group_id": "cards", "asset_type": "card", "required": true, "min": 3, "max": 10 },
      { "asset_group_id": "landing_page_url", "asset_type": "url", "required": false }
    ]
  }
}
```

```json theme={null}
{
  "format_kind": "image_carousel",
  "assets": {
    "cards": [
      {
        "asset_type": "card",
        "headline": "Trail Pro",
        "media": { "asset_type": "image", "url": "https://cdn.acmeoutdoor.example/trail-pro.jpg" },
        "landing_page_url": { "asset_type": "url", "url": "https://acmeoutdoor.example/trail-pro" }
      },
      {
        "asset_type": "card",
        "headline": "Summit Pack",
        "media": { "asset_type": "image", "url": "https://cdn.acmeoutdoor.example/summit-pack.jpg" },
        "landing_page_url": { "asset_type": "url", "url": "https://acmeoutdoor.example/summit-pack" }
      },
      {
        "asset_type": "card",
        "headline": "Alpine Shell",
        "media": { "asset_type": "image", "url": "https://cdn.acmeoutdoor.example/alpine-shell.jpg" },
        "landing_page_url": { "asset_type": "url", "url": "https://acmeoutdoor.example/alpine-shell" }
      }
    ]
  }
}
```

For catalog-composed collections where the seller reads product rows and renders tiles, use `sponsored_placement` rather than a buyer-authored carousel bundle.

See [Catalogs](/dist/docs/3.2.0-beta.0/creative/catalogs) and [Canonical formats](/dist/docs/3.2.0-beta.0/creative/canonical-formats).