... Asking because we've shipped 220+ health tech projects at Momentum and the answer is almost always the same: wearable integrations. Not the AI. Not the UX. Not the business model. The data layer. Garmin, Whoop, Apple Health, Oura - every provider has a different auth flow, different data format, different rate limits, different webhook structure. Garmin sends XML. Whoop sends JSON but paginates differently than Oura