Show HN: HealthAPI – hosted REST API over Apple Health

HealthAPI, a new hosted REST API that syncs Apple Health data, launched on Hacker News, enabling any AI or agent to query health metrics such as steps, heart rate, sleep, and workouts in plain English. The service offers a 7-day free trial followed by $4.99/month (Pro) or $9.99/month (Developer) plans, with annual discounts available in the iPhone app.

Sync Apple Health, get a key, and let any AI answer questions about your health metrics — over a clean REST API. No data plumbing. Install, connect, query. Install the app, grant access once. Steps, heart rate, sleep, workouts and years of history flow up automatically. Open the Console, copy your API key, and check your live usage against your daily limit. Point any AI, agent, or script at the API and ask about your health metrics in plain English. Pre‑aggregated, deduplicated, timezone‑aware — ready to use. Your day, summarized — one request. curl https://healthapi.app/api/v1/query/daily-summary \ -H "Authorization: Bearer hk live •••" → { "date": "2026-06-11", "steps": 11294, "avg heart rate": 62, "workouts": { "type": "Running", "duration minutes": 38 } } Steps, sleep, heart rate, workouts, energy — already aggregated and ready to query. Paste your key into ChatGPT or Claude and ask like you'd ask a coach. requests on the Developer plan — built for agents that poll. Steps and energy come back as one clean total across your iPhone and Apple Watch — matching Apple Health. Encrypted in transit. Export or delete in one call. Sign in with Apple so it follows you to any device. Full‑resolution raw samples plus fast daily rollups — so an AI can reason over your last workout or your last decade. Every plan starts with a 7-day free trial, then $4.99/mo Pro or $9.99/mo Developer , with annual plans available in the app at a discount. No permanent free tier. Subscriptions are purchased inside the iPhone app. Download HealthAPI for iPhone and ask your first question in minutes.