Sage Payment Solutions (Sage Exchange) offers your business more ways to accept and process payments, so you can provide your customers with a variety of ways to make payments for products and services.
Note: this payment method is most suitable for North America and allows to accept only the payments in US dollars.
Setup instructions.
1. Sign up for a merchant account at http://www.sagepayments.com
You will receive a Merchant Id and a Merchant Key (M_Key Number). Save them to use on the next step.
2. Open your Control Panel and proceed to System Settings>Payment.
Choose any payment method, click 'Change' link and select "Credit card:Sage Exchange". Fill in the settings form with the id and the key you obtained after registering at Sagepayments site.
Save the form, enable the payment method and click 'Save'.