Unified Payments Interface
Unified Payments Interface, commonly referred to as UPI, is an Indian instant payment system as well as protocol developed by the National Payments Corporation of India (NPCI) in 2016.
This page is auto-translated from [/nishio/Unified Payments Interface](https://scrapbox.io/nishio/Unified Payments Interface) using DeepL. If you looks something interesting but the auto-translated English is not good enough to understand it, feel free to let me know at @nishio_en. I'm very happy to spread my thought to non-Japanese readers.