12:00 pm CST
Authorize.net is currently experiencing an outage which may be preventing from you from getting new orders or processing orders. We're monitoring the situation, which you can do as well on Twitter:
We will update this page with any new information so please use it as a reference for any updates or questions. Thank you.
12:36 pm CST
I'm sorry we have no new information regarding Authorize.Net's outage but we're keeping a close eye on it.
1:07 pm CST
No official word from Authorize.Net yet but most stores seems to be able to accept and process orders now.
2:30 pm CST
Authorize.Net says the problem has been resolved.