Thanks to a government-backed platform called UPI (Unified Payment Interface), developers are able to more easily integrate digital payments for India into their apps. Google's Tez uses UPI for bill payments, and social app Truecaller added the functionality in a recent update. The country's most used messaging app shouldn't be too far behind as Facebook-owned WhatsApp could be ready to offer a payment solution based on UPI as early as next month.

Read More