Please refer to the frequently asked questions related to UPI and its integration.


  1. What is the difference between UPI collect and UPI InApp?-

    Please refer to UPI InApp document.

  2. Which UPI apps are supported on iOS for intent flow?+
  3. I am unable to see UPI payment option on my checkout page in staging environment. What should I do?+
  4. How do I check which all UPI apps are installed in a user's device?+
  5. Will I receive b2b callback for all UPI channels?+
  6. How do I make sure that the user proceeds with the correct UPI ID?+
  7. How can I leverage user's saved VPAs at Paytm's end?+
Note: In case of queries on any other solution, please refer to the FAQs page.