1. Once you’ve logged in, go to your “Account Tab” in the upper right corner.
2. In your account menu, under the first tab “plan”, you should see “compare plans and choose”, and to the right (in small blue font) “purchase additional credits”.
3. On the following page, you can use the pricing chart to help decide how many credits you need, and proceed to billing.
4. Here, enter your credit card info, and continue to complete the order.