Through the Web Portal

  • Hover your mouse over your username and click "Billing" on the dropdown menu that appears

  • Click on "Edit Billing"

With your Billing Management link 

  • Open the email containing your login credentials (This should have been sent to you upon signup)

  • Follow the billing management link provided just under your credentials in the email

  • Select "Billing Information" on the linked page, then select "Edit"