| CPC G06F 21/44 (2013.01) | 19 Claims |
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1. A computer-implemented method comprising:
receiving, by an authorization computer from a transport computer, a request for a value, wherein the request for the value is an International Organization for Standardization (ISO) message used to allow a user to approve, decline, or defer an interaction before the interaction is processed, and wherein the request for the value comprises a primary account number associated with a payment card;
transmitting, by the authorization computer, the request for the value to a user device for approval;
asynchronously transmitting, by the authorization computer to the transport computer, a message comprising an identifier for the request for the value;
receiving, by the authorization computer from the user device, an indication of approval of the request for the value;
responsive to receiving the indication of approval from the user device, determining, by the authorization computer, whether or not the value should be granted; and
transmitting, by the authorization computer to a processor server computer for routing to the transport computer, an authorization code indicating whether or not the value is granted and the identifier for the request for the value, wherein the processor server computer identifies the transport computer for receiving the authorization code using the identifier for the request for the value.
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