To refund a payment link transaction:

1. Sign in to the Merchant Back Office.
2. Go to the Management > Payment orders menu.
3. Find the payment link you want to refund.
4. Click
5. Click on See the link detail.
6. Copy the Transaction UUID.
7. Go to the Management > Transactions menu.
8. Click the Captured transactions tab.
9. Paste the UUID into the search field UUID Transaction.
10. Search for and double-click the concerned transaction.
11. Click Refund button.
12. Change the Amount to refund if necessary.
13. Click Perform refund.