Sorry for the Outage!
This service was offline for about 3 days (Sunday, Dec. 18th - Thuesday, Dec. 20th). Sorry for that!
I've received a mail from the monitoring on sunday, but happily
ignored it to do some serious season business (cookies).
It seems that the outage was caused by one unattended update.
And I promise to read my mails more carefully, even when doing
Switched to HTTPS
Both the frontend and the API are now available via HTTPS. Please update