curl --request GET \
  --url https://api.getsly.ai/v1/v1/ucp/checkouts \
  --header 'Authorization: Bearer <token>'

{
  "data": [
    {
      "id": "<string>",
      "merchant_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "status": "created",
      "items": [
        {
          "sku": "<string>",
          "quantity": 123,
          "unit_price": "<string>",
          "currency": "<string>",
          "description": "<string>"
        }
      ],
      "total": "<string>",
      "currency": "<string>",
      "style": "modal",
      "expires_at": "2023-11-07T05:31:56Z",
      "created_at": "2023-11-07T05:31:56Z",
      "session_url": "<string>",
      "success_url": "<string>",
      "cancel_url": "<string>",
      "metadata": {}
    }
  ],
  "pagination": {
    "page": 123,
    "limit": 123,
    "total": 123,
    "totalPages": 123
  }
}