WhatsApp recently update Payment feacture  for quickly send Payment through chat bar.This Version was limited people who had installed latest beta version of WhatsApp.

WhatsApp is first Chat App that allow user to send Payment through UPI.

WhatsApp will processing cashbacks for transactions made through WhatsApp payment portal using UPI. User will be eligible for cashback who have done payment through whatsapp and cashbacks will be receive in directly in Bank account within 2 days. 

This Feacture is limited to UPI Payments, which is currently only for India ,The cashback itself is 10 Rupees.It is not big amount but still better way to get people intrested much like Many Payments App.