The Google Fit APIs, including the Google Fit REST API, will be deprecated in 2026. As of May 1, 2024, developers cannot sign up to use these APIs.

We recommend migrating to the Google Health API for cloud-based integrations or Health Connect for step tracking and mobile-first Android apps. For instructions on which API or platform to migrate to, visit the Fit migration guide.

Use Bluetooth sensors

Your app can find available Bluetooth Low Energy (BLE) devices and insert sensor data into the Google Fit platform.

Android 4.3 (API level 18) and higher have built-in platform support for Bluetooth Low Energy (BLE) for devices in the central role. They provide APIs that apps can use to find devices, query for services, and transmit information.
To get data from a BLE device into the Google Fit platform, use the insertData(DataSet) method to manually insert data from local sensors.

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Use Bluetooth sensors