I am trying to add the Google Apps Marketplace button mentioned here in my application, but even with the most basic setting this results in a 403 Forbidden error. Is there any specific volume that this button requires, or is there another step I must take to get this to work?
<script type="text/javascript" src="https://apis.google.com/js/platform.js"></script>
<g:additnow applicationid="{my app id}"></g:additnow>
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