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
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Developer Blog

Important updates to the Fitbit Web APIs

Sep 26th, 2025

Gordon Crenshaw

Notifying developers that log ids are changing and deprecation of Sleep API v1. Read more

Fitbit dev tools are moving to Google Accounts

Aug 8th, 2025

Maksim Turchyn

Developers must move to Google Accounts to retain access to developer tools and prevent third-party app deletion. Read more

Announcing a new API to share Irregular Rhythm data

Jul 2nd, 2024

Dushyant Vipradas

Google expands heart health initiative, enables sharing Irregular Rhythm data with healthcare providers. Read more

7 New Data Types in Fitbit Web API

Dec 6th, 2022

Bojan Pavic

Our latest data type, Electrocardiogram (ECG), is available! The Fitbit Web API team has worked hard to provide 7 additional data types throughout this year. 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