Yes, you can reverse or initiate a refund to send the payment back to your client's bank, elisa10. I'll share more details about this.
Please note that refunds for online customer payments are processed within 3 to 14 days.
You can go to these articles for additional information about the refund process:
I'd also suggest reaching out to our QuickBooks Payments live support team so they can double-check the status of the refund. Here's an article on how to reach out to them: Get help with QuickBooks products and services.
For further assistance with online customer payments, I recommend reviewing these resources:
Please don't hesitate to reply or post questions in the Community if you have concerns about receiving and managing customer payments in QuickBooks. We're always here to provide support and guidance when you need it.