curl --request POST \
  --url https://api.novacpayment.com/api/v1/transaction/verify \
  --header 'Authorization: <api-key>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "transactionReference": "<string>",
  "amount": 123,
  "transactionType": "<string>"
}
'