Board Thread:The Quarters - Q & A/@comment-86.9.69.110-20140227022050/@comment-24459124-20140227032303

Check out the App and Extension Integrations for possible applications that may have accessed your account.

Note: to gain the ability to add that Habit, you needed to input your UUID and API Token to that software. These items are located in the API options. Try to remember where you added those values, and you'll likely find what created the new habit.