UPDATE: As of 11:32 am CST, my iPhone app is now working. I’m assuming that means the cards work, too. Thanks PayPal.
Using the power of Twitter, I contacted @AskPayPal and here’s how they responded: AskPayPal
@daddyclaxton Thank you for the report! We are currently experiencing some issues, and we are working to resolve them ASAP! ^OK
Very responsive. Very succinct. And while it’s not helping my card work, I at least know they’re doing what they can.