Credit Card Payment With Bitcoin How to Start Payment Step 1: Go to Changelly website Click Here. Step 2: First off, go to the home page and select USD on the left and a crypto you want to buy on the right. Put in the amount of USD you are about to exchange. Bitcoin Payment Address : 1Np4gsjLQ54dC2JJyXYGPKxcZMzGyRn9jQ