Why UPI didn’t work for this foreign tourist travelling in India, and some useful tips

An American traveler's fourth trip to India was hampered by an inability to use UPI, India's digital payment system, despite having cash and international cards. His phone's international eSIM failed to process QR code payments, leading to rejections at tourist sites and vendors. The issue highlighted a growing reliance on local phone numbers for digital transactions.

Why UPI didn’t work for this foreign tourist travelling in India, and some useful tips
An American traveler's fourth trip to India was hampered by an inability to use UPI, India's digital payment system, despite having cash and international cards. His phone's international eSIM failed to process QR code payments, leading to rejections at tourist sites and vendors. The issue highlighted a growing reliance on local phone numbers for digital transactions.