Unified Payments Interface is a real time inter-bank payment system that allows sending or requesting money with the following methods:
- Virtual Payment Address (VPA) or UPI ID: Send or request money from/to bank account mapped using VPA.
- Mobile number: Send or request money from/to the bank account mapped using mobile number.
- Account number & IFSC: Send money to the bank account.
- QR code: Send money by QR code which has enclosed VPA, Account number and IFSC or Mobile number