text: If your concern is also about accidental payment of the Cash App, then you don't need to contact the Cash App help desk in the first place.How long does cash app take to respondBecause? Why you can request a refund with the help of the steps mentioned below: Open the Cash App application on your phone. Touch the clock icon available on the home screen. Scroll down to find and select the wrong payment that you sent to someone and you can contact us on our website.