Unified Payments Interface (UPI) means the instant payment by smartphone developed by NPCI and RBI.This is a single payment id for all the online payment transactions. In digital india,our government give more focus to digital payments and transactions by different payment applications.Here we introduce one of the famous payment application.Kerala ‘s own first upi payment app introduced by aceware technology. We located in kochi,near Kaloor stadium. The upi payment app kerala known as acepay .The main feature of this upi app is single qr code for all the payment activities.we provide exciting coupons and rewards for each transaction.the fastest and smartest way for all the upi payment transactions.