Manish Singh / TechCrunch:

WhatsApp, which began testing its payments service in India with 1M users in 2018, receives approval to expand the service, starting with 20M users  —  WhatsApp, which began testing its payments service in India with 1 million users in early 2018, can finally start to expand the feature …

 

source http://www.techmeme.com/201105/p13#a201105p13