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  • FAQ Topics
  • Testing and Generic Queries
  • JS Checkout
  • All in One SDK
  • Checksum
  • Callback and Webhook URL
  • Ecommerce Plugins
  • Custom Checkout
  • Refund
  • Disputes
  • UPI Solution
  • Subscription
  • Payment Links
  • Standard EMI/ No Cost EMI
  • Auto Debit
  • Custom UI SDK
  • Bank Offers
  • Settlement
  • Merchant Dashboard
  • DIY Onboarding

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    • All in One SDK
    1. Do Paytm All-in-One SDK supports both Android & iOS?+
    2. Where do I find the Android/iOS SDK?-

      Please vist Paytm All-in-One SDK page.

    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?+
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