You can access all this sensor directly, here is the associated API:
https://dev.fitbit .com/build/reference/device-api/accelerometer
There are also APIs for Gyroscope, Orientation and Barometer.
Best AnswerIs access to the X,Y,Z data restricted to those using the SDK in conjunction with the Ionic or is the data accessible using the SDK acelerometer API with any Fitbit tracker please. Need to access this data for non-profit research, any assistance greatly appreciated.
Best Answer