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 : tagged 'SDK'
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Developer Blog : tagged 'SDK'

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

Announcing Fitbit OS 2.2 - The Versioning!

The latest firmware update for the Fitbit Ionic and Versa smartwatches continues the evolution of Fitbit OS, and provides some great new developer functionality. Read more

Announcing Fitbit OS SDK 4.0

This update for the Fitbit OS SDK adds support for Versa 2 devices, provides developers with advanced cryptographic functionality, multi-view SVG, App Cluster Storage API, and much more! Read more

Announcing Fitbit OS SDK 3.1

We're proud to announce the latest version of the software development kit for Fitbit OS. SDK 3.1 adds support for the new Fitbit Versa Lite, and the ability to localize your apps and clock faces with our new i18n API. Read more