@Rich_Laue Fitbit provides API to retried body fat (see here ) However this is not strictly a Web Api issue, indeed it's the Fitbit APP (in this case, the reasoning is the same for other apps) that need to integrate the Health Connect module to provide the data outside (in Health Connect terms we say to write). You can read more here. So it's not Google Health Connect that need to retrieve the data, rather Fitbit that needs to write them. Unfortunately also Fitbit moderators fail to understand this and wrongly closed several feature requests with the same "solution". However Fitbit, despite being Google, badly implemented the Health Connect module, not only it limits the quantities of data it writes(as opposed to Withings for example), it even fails to read every single data from outside and I can't understand why. For example: it could easily implement reading from nutritions apps, from running apps (for example I might run with another device or app and have my run imported in Fitbit and this would be very interesting as I would prefer, like my case, to use my Polar with H10 chest band for excellent data and then import the data in Fitbit, even via Google Fit as a middle point)
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