---
title: "Blog, page 6"
description: "Older posts from the Open Wearables blog, page 6: release notes, provider API guides and building with self-hosted health data."
canonical_url: "https://openwearables.io/blog/page/6"
---

# What shipped, and how to build with it.

Blog

Release notes every couple of weeks, guides to the provider APIs and their quirks, and the occasional longer piece on getting health data into a shape you can work with.

[Get started](https://openwearables.io/docs/quickstart) [Book a demo](https://openwearables.io/book)

## Posts

Oura · May 3, 2026 · 10 min read

### Oura API: accessing ring data, sleep, HRV and readiness

The Oura Ring API provides Sleep Score, Readiness Score, HRV, body temperature deviation and SpO2 through a clean REST interface. Here's what it offers and how to build with it.

Polar · May 3, 2026 · 7 min read

### How to access Polar watch data in your health app

Polar's cardio versus muscle load split and ANS Charge from Nightly Recharge enable coaching features that most wearable APIs cannot support. Here's how to use them effectively.

Oura · May 3, 2026 · 5 min read

### How to use Oura ring data in your app

Readiness Score, HRV trends and body temperature deviation are Oura's most actionable signals. Here's how to use them effectively in a coaching or wellness product.

Suunto · May 2, 2026 · 7 min read

### Suunto API: accessing watch data for developers

The Suunto API provides workout data for 80+ sport types with GPS, heart rate, altitude metrics, Training Effect scores and VO2 max. Here's what building with it requires.

Releases · Apr 15, 2026 · 1 min read

### Open Wearables Release 0.4.3: Health Scores, Webhooks

Open Wearables 0.4.3 ships Sleep Score and Resilience Score with open algorithms. First release where the platform produces scored health output. Outgoing webhooks added.

Releases · Mar 23, 2026 · 1 min read

### Open Wearables Release 0.4: Oura Ring, React Native SDK

Open Wearables 0.4 adds Oura Ring support contributed by a community member, React Native SDK, raw payload storage to S3, and production infrastructure improvements.

Releases · Mar 9, 2026 · 1 min read

### Open Wearables Release 0.3: Android, Google Health Connect, Samsung Health

Open Wearables 0.3 adds Google Health Connect and Samsung Health, completing Android platform support. Includes one-click Railway deployment and a Garmin reliability overhaul.

Releases · Feb 16, 2026 · 1 min read

### Open Wearables Release 0.3 Beta: Strava, Apple Health SDK, Data Source Priority

Open Wearables 0.3 beta adds Strava as a provider, matures the Apple Health SDK with invitation code onboarding and refresh tokens, and introduces configurable data source priority.

Releases · Jan 23, 2026 · 1 min read

### Open Wearables Release 0.3 Alpha: Flutter SDK, MCP Server

Open Wearables 0.3 alpha ships the first mobile SDK for Flutter with Apple Health integration and an MCP Server connecting wearable data to LLMs.

Releases · Jan 12, 2026 · 1 min read

### Open Wearables Release 0.2.2: Production Stability, Extended Provider Support

Open Wearables 0.2.2 fixes critical sync issues across Apple Health, Whoop, and Suunto. Adds sleep summaries, AWS XML import guide, and API performance improvements.

Releases · Jan 8, 2026 · 1 min read

### Open Wearables Release 0.2.1: Whoop, Mobile SDK Authentication

Open Wearables 0.2.1 adds Whoop as the fourth provider, user-scoped SDK tokens for mobile apps, and a sleep summaries endpoint.

Releases · Dec 22, 2025 · 1 min read

### Open Wearables Release 0.2: Sleep, Workouts, Timeseries

Open Wearables 0.2 adds Sleep, Workout, and Timeseries endpoints with 59 data types and 870 tests.

The platform

## Looking for the product rather than the post?

### [Platform](https://openwearables.io/platform)

### [Integrations](https://openwearables.io/integrations)

### [Pricing](https://openwearables.io/pricing)