Data APIs.
Refined.

{
  "status": "success",
  "data": {
    "name": "Organic Whole Milk 2L",
    "price": 1.65,
    "currency": "GBP",
    "clubcard_price": 1.30,
    "in_stock": true,
    "category": "Fresh Milk",
    "nutrition": {
      "calories_per_100ml": 64,
      "protein": "3.4g",
      "fat": "3.6g"
    }
  }
}