PhonePe Pvt Ltd, India’s leading digital payments provider with more than 175 million users, is the largest of a plethora of local startups that relied on the bank to process transactions. Leading business-to-business software platform Udaan asked buyers and sellers on its platform to refrain from using the Udaan Pay QR code, powered by Yes Bank. Others that depended on Yes Bank included Microsoft’s Kaizala mobile chat app and online travel providers MakeMyTrip and Cleartrip, according to the website of the country’s official online payments infrastructure operator.

https://www.bloomberg.com/news/articles/2020-03-06/indian-bank-meltdown-takes-out-walmart-s-leading-payments-app?sref=EcccZSTc