Go to 
> Transactions > Payment History
The ‘Payment History’ page shows every attempted payment by your customers. From here you can either fully or partially Reverse or Refund your successful payments to your customers. You can also, in real time, view transaction details and error messages of successful and unsuccessful transactions.
Reverse or Refund a Payment
Completed payments can be fully or partially reversed or refunded.
Step 1: Navigate to the 'Payment History' page.
Step 2: Find the payment you wish to reverse or refund.
Reverse - Within the first 24 hours of the payment, you will have the option to ‘Reverse’ the payment before it is completed. This cancels the transaction before the payment is removed from the customer bank account.
Refund - After the payment has gone through and is no longer pending, you will have the option to ‘Refund’ the payment and have a charge placed on your account to reimburse the customer for their payment.
