Please complete the following things in your Google Checkout account:

1. Settings -&gt; Integration -&gt; &lt;b&gt;check&lt;/b&gt; &lt;i&gt;My company will only post digitally signed carts&lt;/i&gt;

2. Settings -&gt; Integration -&gt; &lt;b&gt;check&lt;/b&gt; the radio button for HTML (name/value pairs)

3. Settings -&gt; Integration -&gt; Enter this API callback url:

({{callback_url))}

&lt;b&gt;Also note&lt;/b&gt;, payments will not be logged at order time unless you do this:

1. Settings -&gt; Preferences -&gt; Automatically authorize and charge the buyers credit card

If you choose to manually review orders before charging them, the order status and invoice payment will not be updated in SPBAS until you login into Google Checkout and press the &lt;b&gt;Charge&lt;/b&gt; button.