Earn cashback benefits when you purchase online and in-store: You will also earn additional credit card advantages, such as purchase protection and extended warranty coverage. Mobile check deposit: You may use your American Express card to make mobile check deposits using Cash App. AMEX Referral Program: When you refer friends to Cash App using your unique code (it updates any time), you will receive a $1 bonus for each person who signs up. This is a great way to make additional money free! International: Cash App is also accessible in countries other than the United States using American Express, including Canada and Australia. Cash-out: You may quickly cash out your profits (including referral incentives) using your American Express card! This includes cashing out at any ATM or requesting a check by mail, whatever you want. Multiple withdrawal methods: With American Express, you are not restricted to just one mode of withdrawal.