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.
Body Time Series
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Body Time Series

The Body Time Series endpoints are used for querying body fat and weight data over a period of time either by specifying a date and time period, or a date range.

The endpoints available in this section are