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

Prepare for the Fitbit App Gallery with Developer Preview 3 + Compete in the #Made4Fitbit App Challenge

Nov 8th, 2017

Joseph Kristoffer

Are you #Made4Fitbit? Enjoy our latest update to the Fitbit SDK Developer Preview and show us what you’ve got in our first-ever App Challenge. Read more

Feast on Fitbit OS Developer Preview 4 🦃

Nov 22nd, 2017

Joseph Kristoffer

Enjoy a smoother experience through Thanksgiving and beyond with today’s refreshed Fitbit OS Developer Preview firmware. Read more

Announcing Fitbit OS SDK 3.1

Mar 18th, 2019

Jon Barlow

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

Advanced Image Processing

Jul 7th, 2020

Matthew Clark

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 Fitbit OS SDK 6.0

Jul 20th, 2021

Jon Barlow

Fitbit OS firmware version 5.2 has recently been released for Fitbit Sense and Fitbit Versa 3 and today we’re announcing Fitbit OS SDK 6.0. Read more