GetHealth is a Unified RESTful API to access health data from wearables and devices. It allows users to integrate the sources like Dailymile, Fatsecret, Fitbit, Google Fit, Jawbone, Lifefitness, MapMyFitness, MapMyRun, MapMyWalk, Microsoft Health, Misfit, Moves, PredicctBGL, Runkeeper, Strava, Sony Lifelog, Withings, and 23andMe. It also allows integration to medical devices. There are api calls available for activity, diabetes, weight, nutrition, sleep, and genotype. Furthermore it eases the user authentication process for each source with single-sign on API call. Also it normalizes the data across multiple sources and provides unified data structure.