Currently payments can only be made using the ACH network which requires the recipient to have a United States bank account with a routing and account number.
Step 1:
From your Dashboard, start by navigating to your USD account in your "Accounts" tab.
Step 2:
Whilst in your "Accounts" tab click the blue "USD Options" button and choose "Pay."
Step 3:
From this window you can choose the payment type you wish to use.