Have you run into a situation where your payment gateway is not processing transactions? Check here first to see direct links as to the status of your payment gateway and if they are currently functional. These are direct links to your payment gateway that give status updates on current operation.
Note: Some payment gateways do not have this option available to check their status.
Authorize.Net - https://status.authorize.net/
Bluepay - https://status.bluepay.com/
Stripe - https://status.stripe.com/