Indeed we do. brainCloud has a rich set of cloud data APIs for just such a purpose.
brainCloud data is stored in what we call entities - which is our name for custom JSON-based objects.
While brainCloud supports multiple types of entities, for user data you would want to user our User Entity API.
You will find more backgroun info here - http://getbraincloud.com/apidocs/api-modules/data/
Happy coding and good luck!
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