How to Generate API Key for Paytm Payment Gateway Integration [Guide For Merchants Using Payment Links]

API Key for Paytm Payment Gateway Integration

There are different flows for API key generation for payment gateway integration depending on the types of merchants and where they stand in terms of activating online payments for their businesses. We have segregated these flows into the following 3 scenarios. If you are:

  1. A new merchant
  2. An already onboarded offline merchant
  3. An already onboarded online merchant using link-based payments

Also Read: How to Create Paytm Payment Links from the Business Dashboard

This article is a step-by-step guide for merchants who are already using the Paytm Payment Links and want to start accepting online payments via their business website/app as well.

We will explain how merchants can generate API keys and integrate the Paytm Payment Gateway into a business website/app.

Step #1: Sign in to your business account

Visit to Sign In to your business accountStep-1

Step #2: Click on the Explore Online Payments buttonStep-2-2Step #3: Fill in the basic details of your business website/app

All details will be automatically fetched except for the business website URL/app and click on the Proceed button.


Since the merchant had already submitted the business documents at the time of onboarding as an offline merchant, they do not need to upload the documents again.

However, the Paytm Payment Gateway team will verify the line of business of the merchant. The merchant will see the following screen:


Step #4: Get Production Key

Once the verification process is complete, you can log into the business account to get your API keys under the Developer Settings tab. You will see a highlighter saying Find your production key here. as shown below:


Test API Key will be automatically available to help you test the integration before proceeding with the actual integration.


Once you are confident of taking up the actual integration, you can use the actual keys available under the Production API Details tab.


You can also check out the tutorial video below on the steps involved in generating the API key for payment gateway integration.

Generating API Key is the first step. What follows next is Paytm Payment Gateway integration into your business website/app. Hope this article will help you take the first step towards digitizing payments for your business.

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