Own a X/S5? These models use key/pair instead. VanMoof was issuing certificates valid for 7 days only, so kinda pointless exporting.
However it looks like they have started issuing 10 year certificates (might explain why app went down yesterday).
Here’s a gist to export them: https://gist.github.com/magnusnordlander/c8682fda2e15b813e5308624877cce59
@phill 10 years still sounds short, compared to the lifetime of a bike.