What is UPI Tap & Pay and how does it work without scanning QR code?

UPI 'Tap & Pay' on POS allows users to make faster payments by unlocking NFC-enabled smartphone and tapping it on NFC-enabled Point-of-Sale (POS) terminal. It supports payments across multiple account types on UPI, including RuPay Credit Card on UPI. Users can make PIN-less transactions of up to ₹5,000, above which user needs to enter their UPI PIN on POS terminal.