curl --request POST \
  --url https://gateway.varchev.com/ipg/payment/payments/{paymentId}/refund \
  --header 'Authorization: Bearer <token>' \
  --header 'organizationId: <organizationid>'

{
  "data": {
    "result": {
      "code": 123,
      "description": "<string>"
    },
    "paymentId": "<string>",
    "timestamp": "<string>",
    "paymentBrand": "<string>",
    "paymentMode": "<string>",
    "firstName": "<string>",
    "lastName": "<string>",
    "amount": "<string>",
    "descriptor": "<string>",
    "currency": "<string>",
    "card": {
      "bin": "<string>",
      "last4Digits": "<string>",
      "holder": "<string>",
      "expiryMonth": "<string>",
      "expiryYear": "<string>"
    },
    "transactionStatus": "<string>",
    "merchantTransactionId": "<string>",
    "remark": "<string>",
    "status": {
      "detail": "<string>"
    }
  }
}