Modernizing the Fitbit Developer Experience.
The Fitbit Web APIs are moving to a new, scalable infrastructure. We will be deprecating the legacy Fitbit Web API in September 2026. To ensure uninterrupted data continuity for your users, you will need to migrate your applications. Detailed migration guides are live on the Google Health API developer site.
Fitbit SDK
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It’s time for a change

The clock face is your new canvas.

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Fitbit Versa 2 - Clock Face by ntpr
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Stronger, fitter apps start with our Web API

Your app goes further with data from over 20 million active Fitbit users.

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Web API Example
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App Gallery

Distribute your apps by uploading to our new App Gallery.
Fitbit App Gallery

Ready. Set. Go.

Gear up to build clocks for Fitbit OS.

Our Guide