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 'Software Updates'
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Developer Blog : tagged 'Software Updates'

“Ready, Set, Go!” with the Fitbit SDK

Take your first steps with the Fitbit SDK. Ready your Studio, set your smartwatches to “hack,” and flex your creative muscles. Read more

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