I noticed that my application stopped working recently, and Heroku support just told me that moonshado stopped working for several hours in February 2013. There were no explanations.
In particular, Heroku support wrote:
Hey Ben
Moonshado stopped working for several hours in February. You will find your account in February, when we switched you to a free plan, on the 1st, so that you do not incur any additional costs, and in March we completely abandoned the add-on.
Best
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