curl --request GET \
  --url https://api.satsuma.ai/cart \
  --header 'Authorization: <api-key>'

{
  "data": [
    {
      "id": "<string>",
      "user_id": "<string>",
      "merchant_id": "<string>",
      "location_id": "<string>",
      "items": [
        {
          "id": "<string>",
          "cart_id": "<string>",
          "product_id": "<string>",
          "product_name": "<string>",
          "quantity": 123,
          "created_at": "2023-11-07T05:31:56Z",
          "updated_at": "2023-11-07T05:31:56Z"
        }
      ],
      "created_at": "2023-11-07T05:31:56Z",
      "updated_at": "2023-11-07T05:31:56Z"
    }
  ],
  "messages": [
    {
      "context": "<string>",
      "text": "<string>",
      "data": {}
    }
  ],
  "total": 123
}