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.
Active Zone Minutes Time Series
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Active Zone Minutes (AZM) Time Series

The Active Zone Minutes (AZM) Time Series endpoints are used for querying the user's heart-pumping activity throughout the day. Developers can request the following API endpoints when integrating the AZM data type:

If your application has been granted intraday access, the following endpoints can be used. See Intraday.