WeFitter is a health and fitness data platform ("one API to access wearable data, gamification and AI") operated by Thunderbyte.AI in Groningen, Netherlands. Its REST API aggregates health and activity data from 300+ wearables and fitness apps — Fitbit, Garmin, Google Fit, Apple Health, Withings, Polar, Oura, Whoop, Samsung Health, Huawei and more… - View it on GitHub