What is Serve? Serve is a financial account that offers a suite of options to handle your money with ease. It has no credit check, no minimum balance, and no hidden fees. The app allows you to easily manage your Serve account on the go, view your available balance, and access details of all your active and completed transactions. You can add money directly on your mobile device using Mobile Check Capture, request money from other Serve Cardholders, and send money to other Serve Cardholders. Serve partners with American Express and Visa to bring reliability and value to its customers.