Insights on wearable data,
health AI, and open source.
Articles on building with wearable data, health scoring algorithms, and the Open Wearables platform.
How to build an AI health coaching app with wearable data
Learn how to build an AI health coaching app that turns wearable health scores into personalized coaching responses using Open Wearables and its MCP server.
How to normalize wearable data across providers
If you are looking for a Terra API alternative, Open Wearables normalizes data from all major wearable providers into a unified schema. Self-hosted, open source, no per-user fees.
How to sync wearable data from multiple devices
Garmin API uses webhook-only delivery, not REST polling. Learn how Open Wearables handles Garmin alongside Polar, Suunto, Whoop, and Apple Health in a unified normalized API.
How to integrate Apple Health data into your app
A practical apple health integration guide using Open Wearables. Learn the two paths: mobile SDK for real-time background sync and XML import for historical HealthKit exports.
Open Wearables 0.5.2: Polar Webhooks, Sport Type Expansion, and HRV Score Integrity
Open Wearables 0.5.2 adds Polar webhook support, expands workout type mappings, new Garmin fields, and stricter HRV scoring.
Wearable API integration: comparing SaaS, custom build, and open source
A technical founder’s guide to choosing a wearable health data API. Compare SaaS vendors, in-house builds, and self-hosted open source by cost, compliance, and engineering effort.
How to customize Open Wearables for your product
Open Wearables is built to be adapted. Learn how to customize health scoring, add provider integrations, and deploy enterprise-grade infrastructure with Momentum's engineering team.
Open Wearables 0.5.1: Oura & Strava Webhooks, Live Sync Status, RMSSD HRV
Open Wearables 0.5.1 ships webhook support for Oura and Strava, live sync status via SSE, RMSSD HRV in Body Summary, and a redesigned Admin Panel dashboard. No breaking changes.
Open Wearables Release 0.5.0: Webhooks, Sleep Fixes, MCP Updates
Open Wearables 0.5.0 ships complete webhook infrastructure, incoming webhooks for Whoop and Suunto, sleep calculation fixes, HRV-CV scoring, and a new MCP Server time-series tool.
Garmin Connect API: developer guide for activities and health metrics
Garmin's Health API uses push-based delivery and OAuth 1.0a, covering 100+ sport types, GPS, Body Battery, HRV, sleep and more. Here's what building with it actually requires.
How to connect Samsung Health to your app
The Samsung Health integration pipeline covers developer program application, OAuth 2.0, token management, data querying and normalization before you ship a single product feature.
Samsung Health API: Galaxy Watch data for developers
Samsung Health Platform provides server-side API access to Galaxy Watch data including heart rate, sleep stages, workouts, stress score, SpO2, HRV and body composition.
Strava API 2026: developer guide to activities, heart rate and GPS data
A practical guide to connecting Strava's API in production: OAuth token refresh, rate limits, webhooks, and how to normalize activity data across multiple providers.
Whoop API: recovery, strain and sleep data for developers
The Whoop API exposes Recovery Score, HRV, Strain and Sleep Performance through a cycle-based model. Here's how it works in practice and what building with it actually requires.
Garmin API push notifications: how callback sync works
Garmin's Health API pushes data to your callback URLs when users sync their devices. Here's how the system works end-to-end and what reliable implementation requires.