HealthAPI

A REST API that exposes Apple Health data including steps, heart rate, sleep, workouts and energy, solving the problem of aggregating and plumbing health data for AI and application use. It sells to software developers and product teams building AI agents and health applications, as well as individual consumers who use Apple Health. It is delivered as an iPhone app that syncs HealthKit data and a key-based API with pre-aggregated daily summaries and raw history accessible to any REST client.

Key features

• Sync Apple Health data
• REST API with API key
• Daily summary endpoint
• Steps tracking and aggregation
• Heart rate tracking
• Sleep tracking
• Workouts tracking
• Active energy tracking
• Pre-aggregated deduplicated timezone-aware data
• Full-resolution raw samples
• Daily rollups and trends
• Deduplication across iPhone and Apple Watch
• Plain English query via AI
• Works with ChatGPT and Claude
• Works with any REST client
• Encrypted in transit
• Export or delete data via API
• Sign in with Apple
• Rate-limited plans (100/1000 requests per day)