UPI Chalega - Easy, Safe, Instant | Download UPIUPI is a digital payment method which allows you to send and receive money from one bank account to another using your mobile phone. It is the easiest way to transfer funds easily, safely and instantly without any hassles. Using features like UPI LITE, UPI AUTOPAY, Interoperability (any UPI app to any UPI app payment transfers), you can ensure seamless UPI payments anywhere, anytime.