To do the same, consider the steps below: Step 1- Visit the PayMatrix website, create an account, or sign in if you already have one. Step 2- You now have to select the Add Biller option under the Bill Payment section. Step 3- Include the necessary bank information. Step 4- After that, you need to enter the desired transfer amount and choose "Wallet." Step 5- Now select "Amazon Pay" as your method of payment and you’re all set.