curl --request POST \
  --url https://api.anysite.io/api/rakuten/items \
  --header 'Content-Type: application/json' \
  --header 'access-token: <api-key>' \
  --data '
{
  "item": "<string>",
  "timeout": 300
}
'

[
  {
    "id": "<string>",
    "url": "<string>",
    "@type": "@rakuten_item",
    "item_code": "<string>",
    "title": "<string>",
    "description": "<string>",
    "image": "<string>",
    "images": [],
    "price": 123,
    "price_max": 123,
    "currency": "JPY",
    "subscription_price": 123,
    "subscription_price_max": 123,
    "point_rate": 123,
    "is_free_shipping": false,
    "is_tax_included": false,
    "rating": 123,
    "review_count": 123,
    "category_id": 123,
    "category": "<string>",
    "genre_breadcrumbs": [],
    "shop": {
      "@type": "@rakuten_item_shop",
      "id": 123,
      "name": "<string>",
      "alias": "<string>"
    },
    "variant_axes": [],
    "variants": [],
    "attributes": {},
    "is_in_stock": false
  }
]