There are many reasons linked to Cash App payment failed issues. An interrupted, slow, or sluggish internet connection is one of them. So, always make sure that everything is fine with your Wi-Fi connection. Also, ensure that you enter the correct details when sending the payment. Correct details such as your card number, account number, CVV code, and OTP matter a lot for successful transactions on Cash App. Lastly, keep in mind your available balance, which should be sufficient to cover the transaction amount as well as any applicable fees.