No, but that's on purpose. I've created documentation that includes the data contracts for JSON along with information on how to use the REST services from .NET. JSON is a lot smaller than XML and results in much faster querying, and less bandwidth being
used by your app. You can find the documentation here:
http://msdn.microsoft.com/en-us/library/jj819168.aspx
http://msdn.microsoft.com/en-us/library/jj870778.aspx
Also, JSON data contracts are less likely to break when the service is updated with new features which isn't the case when trying to serialize data the data against classes generated from an XSD.
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