If you need to use a payment gateway (such as Authorize.net, First Data, QuickBooks Merchant Services, PayPal Pro, etc.), here is what you need to do to set it up:

• In your CoreCommerce admin panel, hover over the Settings link in the upper right corner
• Click on Payment Settings
• Click on Credit Card to expand the credit card section
• Under Configure Gateway, select the gateway you wish to use form the drop-down menu
• Fill in the fields that appear with your gateway/merchant information, then save the page