Setting up Google Checkout ADMIN > Configuration > Sales > Google API > Google Checkout Overview Magento Go allows you to integrate your store with Google Checkout. With Google Checkout, customers can pay for purchases in their shopping cart using the Google Checkout payment processing system. For field descriptions, see Configuration: Google API - Google Checkout . Step 1: Open a Google Checkout Merchant Account The first step is to establish a Google Checkout merchant account. As you go through the process, take note of the following information, which you will need to complete the configuration in Magento Go: Merchant ID Merchant Key For more information about opening a Google Checkout merchant account for your Magento Go store, see the Google Checkout website . Step 2: Configure Google Checkout in Magento Go From the Admin panel, select System > Configuration . From the Configuration panel on the left, under Sales, select the Google API tab. Expand th