Google Checkout is a payment system that can be used in the cart to accept credit cards. To register for an account, click here.
Once you have registered, you will need to activate Google Checkout in the admin area of the cart and enter in your account information.
1) Go to Cart Settings >> Payment Methods
2) Scroll down to Enable/Add Gateway. Under Enable/Add Gateway select Google Checkout and hit 'Enable gateway' .
3) Next, you will want to enter your Google checkout account information, including vendor ID and merchant key available from the Google Checkout API link.
4) After inserting all of your account information, take note of the 'Callback Url' field. This data needs to be inserted into your API settings at Google.
5) Once you are done, scroll down and hit 'Save changes' at the bottom of the page.
