Obtaining Google Checkout Merchant Information for GeniusCart

The fields you need to use Google Checkout with GeniusCart are a MERCHANTID and KEY both of which are easy to find.

1) Create your Google Checkout(tm) account if you haven't already
2) Log on to your account
3) Click the "Settings" tab on the top bar
4) Click "Integration"

The information will be displayed on the following page. Your string will look something like

MERCHANTID=ABCDEF KEY=dd8ccc52a689c3db46485ea1a9041da4373a944d

Be sure to check the box to indicate it is an express payment type and edit the review.html template to enable it there as well.