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SEOmoz only has one API that provides access to their Linkscape index - it does not include social data such as Like's, +'s and Tweets. Also, it seems like you have development resources available to utilize the APIs of the major social platforms.  Have you considered going straight to the source? Facebook OpenGraph API - http://developers.facebook.com/ Google+ API - https://developers.google.com/+/api/ Twitter API - https://dev.twitter.com/docs