WhatsApp Pay should now have begun in the first region. It appears that WhatsApp Pay is going to be launched across the country.
WhatsApp Pay should make it conceivable to send money by means of Messenger later on. You need to find different suppliers. Since even with Facebook Messenger this is as of now conceivable. Furthermore, there is no compelling reason to discuss the Chinese providers
To start now makes India. There, WhatsApp Pay should already be available to the first users. India is a popular market for this, where users are affine to new technology and offers. And above all, there are also a lot of potential users.
At the beginning, WhatsApp Pay should only serve to exchange money between users. You already know from PayPal with the friends function. Further features will follow little by little.
It is also planned to start in Europe. Facebook opened offices in Europe for this a year ago. But there are no indications for a start in Europe.