If you forget your password then there is basically no way of contacting them. I lost my 2FA phone number, and wanted to know if there is anything I can do to get my account back? There is no contact form, no customer chat/phone number, and their issue tracker is only available if you log in. Finally, I found an email address on some other website, contacted them, then I got an email saying they answered my issue, and if I'm satisfied with their answer?
Of course, I never was able to see their answer because I cannot log in to open the issue tracker. So, in the end I just gave up.