eli5:How does UPI actually work?

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Sorry for not writing the full form it’s Unified Payments Interface. It’s a technology through which you can transfer money directly from one bank account to another using qr codes and a smartphone.

Though appreciate all the other answers as well

In: 1

You’re going to have to be more specific. That acronym could mean a lot of things. I know it as [United Press International](https://en.wikipedia.org/wiki/United_Press_International), the newswire service.

UPI is a large news agency that provides news, photos, video, and audio services to various news providers. Those companies pay a subscription for using the service, and then credit UPI when they run the material on their shows, newspapers, or web sites. That’s why you often see the same photo in news stories by different reporters, with “Photo courtesy of UPI” or something similar under it.

And I just now realized that you might have meant something different. If you don’t mean United Press International, you’ll have to specify what you do mean.