Transaction payment processing by multiple data centers

A system comprising:

• one or more processors;
• and
• one or more non-transitory computer-readable media storing instructions executable by the one or more processors, wherein the instructions program the one or more processors to perform acts comprising:
• receiving, by a point-of-sale computing system, an identifier associated with a payment card that is to be used to process a payment for a purchase transaction, the identifier being obtained via a card reader;
• sending over a network, by the point-of-sale computing system to a first data center of a payment service, a first authorization request for a first payment amount corresponding to the purchase transaction;
• receiving, by the first data center, the first authorization request for the first payment amount;
• sending over the network, by the first data center to the point-of-sale computing system, a first authorization for the first payment amount, wherein the first authorization specifies a first data center identifier corresponding to the first data center;
• determining, by the point-of-sale computing system, that the first data center is unavailable after sending the first authorization;
• sending over the network, by the point-of-sale computing system to a second data center of the payment service, a capture request for the first payment amount, wherein the capture request specifies the first data center identifier corresponding to the first data center;
• receiving, by the second data center, the capture request;
• sending, by the second data center to the point-of-sale computing system over the network, an acknowledgement of the capture request, wherein the acknowledgement of the capture request indicates receipt of the capture request by the second data center;
• forwarding, over the network, the capture request from the second data center to the first data center based at least in part on the specification of the first data center identifier by the capture request;
• and
• initiating, by the first data center, a capture of the first payment amount via a payment network.