curl --request GET \
  --url https://api.bonifiq.com.br/v1/pvt/Coupons/{code} \
  --header 'Authorization: Basic <encoded-value>'

{
  "ErrorMessage": "<string>",
  "ErrorCode": 123,
  "Result": {
    "CouponCode": "<string>",
    "CreatedDate": "2023-11-07T05:31:56Z",
    "IsUsed": true,
    "CouponValue": 123,
    "CustomerId": 123,
    "ValidDateStart": "2023-11-07T05:31:56Z",
    "ValidDateEnd": "2023-11-07T05:31:56Z",
    "CouponType": 0
  },
  "HasError": true
}