Payment Gateways: Authorize.Net
System > Configuration > Payment Methods > Authorize.Net
Authorize.Net is a payment gateway that gives merchants the ability to accept credit card and electronic check payments quickly and inexpensively. This article explains how to set up Authorize.Net for your Magento Go store.
For field descriptions, see Configuration: Payment Gateways - Authorize.Net
Step 1: Open an Authorize.Net Merchant Account
Step 2: Configure Authorize.Net in Magento Go
Before processing a refund, Authorize.Net requires a waiting period of up to 24-48 hours after the order is placed.