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Popular Developer Topics/Articles
Testing and Generic Queries
I want payment gateway integration for my website/app?
Where do I get the test/production credentials e.g. MID, merchant key etc?
How to get API keys? I am a registered Paytm business merchant.
What is Checksum?
What is the usage of merchant key and is it used as parameter for the checksum generation?
Why am I getting mismatch/Invalid checksum in the response from Paytm?
Callback and Webhook URL
What is callback URL?
I am not getting any response on configured webhook, what should I do?
Will I get the response on callback URL in real time?
What is Refund Reference ID and why is this needed?
What are the Constraints on refunds?
How is refunds are managed in Payment link?
How does auto-collect work for subscriptions?
Does Paytm send any notifications to the users?
When should I call Pre-Notify API?
What is Payment Links?
Can my customers make multiple partial payments on a link?
Can I create a link for a specific amount?
How merchants can see a list of all chargebacks/ disputes?
Should merchants reply to the disputes email to share proofs?
Is due date for all the disputes same?
For what paymodes can I configure offers?
Which checkout flows support bank offers?
I want the best offer to be applied on a transaction without specifying the offer code. How can I achieve this?
What is JS Checkout?
How to configure JS code?
I have generated JS and pasted in the file and getting an error on script load is not defined
Custom UI SDK
Is Custom UI SDK supported for merchant apps build on hybrid platform?
Do we need to specify the same callback URL in backend API and in SDK?
Do you provide any sample app for checking how different methods can be integrated?
All in One SDK
Do Paytm All-in-One SDK supports both Android & iOS?
Where do I find the Android/iOS SDK?
How will the checksum be generated for All-in-One android and iOS integration?
What are the checkout flows on which standard EMI payment mode is supported?
Is EMI subvention i.e. no cost EMI supported on JS checkout?
Is EMI subvention i.e. no cost emi supported on app invoke solution?
What is Auto Debit flow?
Is Client ID and Merchant ID different?
What is Client ID and secret key?
What is the use of Paytm payment plugin and where can I find the latest version?
While customer trying to pay from my website, it start loading, nothing happens. How to fix this?
What information is required from Paytm to integrate any plugins?
Is calling Fetch payment options mandatory?
How do I handle pending transactions at my end?
How to handle insufficient wallet balance scenario?
What is the difference between UPI collect and UPI InApp?
Which UPI apps are supported on iOS for intent flow?
I am unable to see UPI payment option on my checkout page in staging environment. What should I do?
When will my collection be settled into my account?
How can I get the settlement data?
What kind of reconciliation tools are provided for merchants receiving settlement of their funds?
What to do when I am not abe to login to Paytm dashboard?
What to do when I am not able to generate test MID and key on Paytm dashboard?
What to do when I am not able to view the individual transaction in test mode?
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