Guides
Wearable integration, written by the people who did it
Long-form, dated and specific. Each guide covers one thing that costs teams a sprint: provider access, on-device stores, webhook design, migrations and compliance.
How to integrate wearable data into your app (2026 guide)
Build vs buy, the OAuth and webhook plumbing per provider, normalisation, revisions, rate limits and a launch checklist for shipping wearable integrations.
Garmin Health API access: what it takes and what to do meanwhile
Why Garmin data is gated behind a business agreement, what the Health and Activity APIs actually provide, and how to design so Garmin can be added later.
Apple HealthKit vs Google Health Connect for developers
Neither has a cloud API. How the two on-device stores differ in permissions, background delivery, history and what an aggregator can and cannot do for you.
Webhooks vs polling for wearable data: rate limits, revisions and delivery
Why polling wearable APIs fails past a few hundred users, how each vendor implements webhooks differently, and how to design an idempotent consumer.
Google Fit is deprecated: migrating to Health Connect
Google Fit APIs are deprecated in favour of Health Connect. What actually changes — server-pull becomes device-push — and how to migrate without losing history.
DPDP and health data in India: what it means for your wearable integration
What India's DPDP Act means for wearable and health data: consent, purpose limitation, data principal rights, breach duties and how to design for them.
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