Support for the legacy Fitbit Web API ends on September 30, 2026
Important: Support for the legacy Fitbit Web API ends on September 30, 2026. After this date the API will continue to operate, but Google will no longer fix bugs or provide API support. On October 30, 2026, the Fitbit Web API will be turned off and will no longer function or sync data to or from Fitbit users. To continue accessing data for your users after this date, migrate to the Google Health API.
Design Guidelines
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Design Guidelines

Overview

Design clocks and apps for Fitbit OS with our system of visual styles and interactive components that are simple to use or modify.

Our Fitbit OS guidelines teach you how to best apply our available styles and components to create experiences that are accessible, clear, and consistent for users.

We're still updating these guidelines for the new design system in Fitbit OS 5.0. Check back soon!