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The Web APIs have the ability to expose a finer granularity of data collected throughout the day. This collection of data is called Intraday data. Intraday data is made available for the Activities, Breathing Rate, Heart Rate, HRV and SpO2 data sets by extending the daily detail-level response.

The endpoints available in this section are

A Fitbit developer’s personal Intraday data is automatically available through the “Personal” application type. You do not need to submit a request.

3rd-party developers who want access to retrieve other Fitbit users’ Intraday data through the “Client” or “Server” application type is granted on a case-by-case basis. Applications must demonstrate necessity to create a great user experience. Fitbit is very supportive of non-profit research and personal projects. Commercial applications require thorough review and are subject to additional requirements. Only select applications are granted access and Fitbit reserves the right to limit this access. 3rd-party developers who require intraday access should submit a request by filling out the following form: