Stand-In Authorization
MercuryStand-In is a unique merchant service that Mercury Payment Systems developed to keep credit card processing functional during outages in the authorization network.

Imagine payment processing screeching to a halt just when sales traffic is at its peak. Checkout lines get longer. Customers get angry. Staff gets frustrated. Problems escalate.

Not with Mercury. MercuryStand-In™ facilitates continuous credit card processing.

If a credit card processing outage occurs, we turn on our unique "stand in" authorization service. We developed this essential merchant service so our customers keep processing if there’s an outage within the authorization network. We "stand in"—so business continues as usual.