http://validic.com/ http://validic.com/ has built an API for many different APIs such as Nike/Fitbit/BodyMedia/etc. You might also want to look into HealthVaul

http://validic.com/ http://validic.com/ has built an API for many different APIs such as Nike/Fitbit/BodyMedia/etc. You might also want to look into HealthVault though I'll warn you it's not too developer friendly if you're more of a Python/Ruby dev rather than .NET/Microsoft dev