freeapis

Fitbit

Fitbit Information

Authentication
OAuth
HTTPS
Yes
CORS
Unknown
Documentation / URL
https://dev.fitbit.com/

Overview

Fitbit API provides health/activity data — OAuth-based (unauthenticated requests return 401, verified).

Quick Start

Requires OAuth token:

curl "https://api.fitbit.com/1/user/-/profile.json" \
  -H "Authorization: Bearer YOUR_TOKEN"

Authentication

  • Register an app at dev.fitbit.com → OAuth 2.0 flow → access token.
  • Send it as Authorization: Bearer (missing → 401, verified).

Rate Limits & Notes

  • Free with app registration (check the docs).
  • Profile, activities, sleep, heart rate.

FAQ

Is Fitbit free? Free with OAuth registration.

Why 401? OAuth token required (verified).

What can I access? Health and activity data.

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