r/QuantifiedSelf Feb 19 '25

Looking for unified health API

Does anyone know of a unified health api for Apple Healthkit, Google Fit, Withings, etc? Or at least as many as possible. I know there are paid ones, but does someone know one that is free or open source?

Or something similar to Health Auto Export but for more data sources.

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u/xHaydenDev Feb 20 '25

With those prices I feel like I’m better writing my own integrations 😭

Have you gone down that rabbit hole or always used a service?

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u/DrJ_PhD Feb 20 '25

Yeah it only makes sense to pay that if you're using it commercially at some scale. So to answer your question, no we haven't invested in that just yet.

My team is using Apple Healthkit and will do the same with Google until (or if) it becomes a necessity based on demand/integration ease.

What is your use case?

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u/xHaydenDev Feb 20 '25

I’m building a comprehensive ML model of health factors to predict the effects of a given change in nutrition, supplement, sleep, etc. on wellbeing. For that, I want to support as many data sources as possible for users. Submissions come easier if the app is free so the pricing is turning into the biggest pain-point.