curl -X GET 'https://api.yativo.com/api/v1/giftcards?country=US' \
  -H 'Authorization: Bearer YOUR_ACCESS_TOKEN'

{
  "status": "success",
  "status_code": 200,
  "message": "Operators retrieved successfully",
  "data": [
    {
      "id": 1,
      "name": "Amazon US",
      "brand": "Amazon",
      "country": "US",
      "currency": "USD",
      "min_amount": 1,
      "max_amount": 500,
      "fixed_amounts": [10, 25, 50, 100],
      "category": "Shopping"
    }
  ]
}