All in One SDK FAQs

1. Do Paytm All-in-One SDK supports both Android & iOS?-

   Yes, Paytm All-in-One SDK supports both Android & iOS.

2. Where do I find the Android/iOS SDK?+
3. How will the checksum be generated for All-in-One android and iOS integration?+
4. How will the checksum be verified for All-in-One android and iOS integration?+
5. Do you have any sample app for checking the All-in-One SDK flow?+
6. What we need to pass in callback URL? Does the callback URL in SDK and in initiate transaction API need to be same?+
7. How to handle the error message "App invoke not allowed" while invoking the app?+
8. User is not getting redirected to the merchant iOS app post successful payment on Paytm app (App invoke flow), user remains stuck on the Paytm app. What should I do?+
9. I have multiple MID's, how to add multiple entries in URL scheme in iOS?+
10. Can app invoke be restricted in All-in-one SDK?+
11. How do I test Paytm app invoke in staging environment?+
12. How to integrate All-in-One SDK flow for apps built on hybrid platforms?+
13. How can I enable auto read OTP feature on my app?+
14. Where can I find the latest All-in-One SDK version details?+
15. Is Merchant Gift voucher (MGV) supported in All-in-One SDK?+
16. Can All-in-One SDK be supported through m-web?+
17. If Paytm App is not available in a user device, then the user is redirected to web view. Would UPI intent be support in that case?+
18. If merchant integrates All in One SDK in the android app ,but the payment page/ cashier page is opened in web view . Will the All in One SDK be supported?+
19. Is the UI customizable?+
20. Will a user be asked to login once All-in-one SDK is invoked?+