Cash app refund you may have the chance to cancel a payment if the recipient has not accepted it. For automated instructions over the phone, call 855-351-2274. Please note that there are currently no financial assistance phone numbers available. To request contact via cash.app/help: Scroll down and click "Contact Support" below. Log in. Look for your problem. Click Contact Support. https://www.contactsupport-number.com/blog/how-to-refund-on-cash-app/