"use UPI for e-commerce website to save payment gateway charges"- Quora
This is a common question from people who sell online. If you take orders on WhatsApp, a payment gateway takes a charge on every sale, and your customers would rather pay by UPI anyway. But a plain Google Form can't add up an order or send it to your chat, so you work out each amount by hand before you can ask for the money.
In this article, we will show you how to get each order in your WhatsApp chat, then reply with your UPI ID so that there's no gateway charge.
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