Needless to say, you shouldn't use bitly or other unvetted truncation services simply because you should disassociate yourself from services routinely used for spam and other nefarious activities.
The update breaks the free service (and that provides in our free finance plugin). The free service will be migrated to Fatly next week.
Version 2 of Shortt includes a full and compete RESTful API which gives you full and compete control over your entire system.
If you choose to use your own branded domain (recommended), we now install a full standalone 'website'.