As for security reason, transactions cannot be cancelled or modified directly.
The quickest way to reverse it is to send a charge request for the same amount to those users so they can pay you back. If you don't hear them back or need us to help sending the request, please contact our us. We will try our best to help with below information from you.
- The user ID of the person you paid wrong
- The user ID of the person you meant to pay
- The amount of this transaction
- The transaction ID (we send it via e-mail right after a transaction created)
If you find any unauthorized or disputable transactions, please contact us at the earliest.
Before sending out your payment request, you can quit the process whenever you want.
However, After your post being successfully uploaded to your timeline, you can no longer cancel your request. But don't worry, just have your friends all decline it and resend a right one. You'll be all set!