Wire transfer payments are only available after a payment of $5,000 is made. Once a payment of $5,000 is made, you can go to the billing page, select the 'Billing settings' tab and click on "Add new payment method" button. On the "Add payment method" popup, select the "Other" tab and then select the Wire transfer option as your payment method. Now you can click the "Add Balance" button and make a payment with Wire transfer.