How to get response after integrating UPI using hyperlink

Question

In my iOS application, I need to accept payments from the user. I am using UPI for the same. I have followed the following document provided by UPI

http://www.npci.org.i

Answer 1

You can use the url parameter to pass your website url with the get method with order id or payment id as parameter. Once the payment is successful, it is mandate the UPI provider to hit the URL. The purpose of the URL should be keep updating the transaction status and trigger then end user an email or SMS with the transaction status.