PayPal has posted notice of the following disruption in services at their end, which may impede buyers' ability to complete checkout through any PayPal service we support:
Notification: Substantial Impact to PayPal APIs and PayPal Website - Jan 28 - Live Site
Live Site Status Update
Notification: We are experiencing a system issue which may be affecting PayPal APIs and PayPal Website on the PayPal Live Site. We will send an update with additional details within the next 15-30 minutes.
Sent Jan 28, 2015 01:01 PM MST by DBO
Start time: Jan 28, 2015 12:47 PM MST
At this time, there is no alternative work-around.