[codeonline]

If you had the time and inclination you could even seed their account with mock stat's. I.e. when the link shortened is accessed, correctly log all of the metrics to their account so they have solid metrics indicating its working, but fail the actual consumer requests

[supersparrow]

Logging their metrics correctly is going to take resource. Instead, just set a flag on their account which, if true, means they just see some randomised junk stats.