No, not been having this problem myself today, but it has been down a few times in the last couple of weeks. if you are not sure, then try checking Down Detector. https://downdetector.com/status/fitbit/
Good answer, thefastone, that's the problem that I've seen too, the Fitbit site needed to reinstall the SSL certificate and may be seeing the same problems with the internal data transfer addresses - I couldn't get anything working early this morning but it's OK now.
Best Answer