How to set up accountStep 1: For Android devices, open WhatsApp and click on the three dots appearing on the top right-hand side of the app. For iOS, click on the ‘Settings’ option on the bottom right-hand corner.Step 2: Select the ‘Payments’ option. Select ‘Add Payment Method’. You will be asked to accept the WhatsApp Payment policies. Click on ‘Accept and Continue’.Step 3: You will get the list of banks; select the bank from which you wish to make the payments. Further, if you have two bank accounts with one bank, select the bank account, with which you want to make the payments.While selecting the bank, ensure that the WhatsApp mobile number is the same one linked to your savings bank account. This is because an SMS will be sent on this number for verification purpose.Step 4: Once the verification is completed, you will be required to set up a UPI PIN for making future payments.