Cash App is a peer-to-peer payment app that allows individuals to send and receive money with friends and family. However, sometimes Cash App payments will be declined by your bank. There are a few reasons why this may happen. First, Cash App may not be available in your country. Second, your bank may not allow payment to Cash App. Third, you may have insufficient funds in your account to cover the payment. Fourth, you may have reached your daily spending limit. Finally, the recipient's Cash App account may be unverified. If you experience any of these issues, please contact Cash App support for more help.