You can pay online using Bookkeeper Services. First, log in to Bookkeeper Services using your account number and password. Choose the invoices you wish to pay and click Pay Selected Invoices. All unpaid invoices listed on your account will be selected by default. Use the checkboxes to the left to deselect some invoices if needed. Select either Electronic Check or Credit Card payment. Note that accounts outside the U.S. can only pay online by credit card. Continue to follow the on-screen directions to complete your payment.