X-Cart
- Login to the administration area of the shopping cart and go to the 'Payment methods' area:

- Enable the MultiCards payment option and click on 'configure':

- Define your merchant account number, and the Page ID used for this shop in your merchant menu:

- Login to your merchant menu and open the page id properties defined in the shopping cart.
- Set the full location of payment_cc.php as the orderpage location.
- Set the full location of cc_multicard.php as the posturl location.
- Set the following in the Postfields property: total_amount,order_num,user1
- Contact the MultiCards Technical Helpdesk for a review and final test.