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.
Developer Blog
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Developer Blog

Announcing Fitbit OS SDK 5.0

Today we’re proudly announcing the new SDK 5.0 for Fitbit Sense and Fitbit Versa 3! Now developers can begin building new projects or updating existing projects to support these two incredible new devices. Read more

Announcing Fitbit OS SDK 4.2

This update for the Fitbit OS SDK adds some fantastic new capabilities, support for six additional languages, and some enhancements to existing APIs. Read more

Advanced Image Processing

Fitbit Community MVP Matthew Clark explains how he overcame the challenges of processing images for Fitbit's Always-on display on Versa 2. Read more

Announcing the Fitbit Developer Community MVP Program

This new annual program enables our dedicated and passionate community members to help Fitbit grow and support the Fitbit OS development community, and increase engagement while building closer ties to our beloved developers. Read more

Announcing Fitbit OS SDK 4.1

This update for the Fitbit OS SDK adds a new API for calendar access, Always-on Display API, detecting a user’s primary goal, and some rather useful enhancements to the Document API. Read more