FIELD: computer engineering.
SUBSTANCE: invention relates to computer engineering. Technical result is achieved by transmitting a purchase approval request from a transaction authorization module to a database module associated with the bank, wherein the purchase approval request contains transaction information; making a decision on the purchase approval request by approving or rejecting the purchase approval request depending on whether the requested purchase satisfies the purchase rules associated with the first transaction identifier in the associated with the bank database module; responding to the transaction authorization module by approving or rejecting the purchase approval request; response from the transaction authorization module to the first transaction authorization request associated with the first transaction identifier; adding transaction information obtained from the transaction authorization module as metadata associated with the first transaction identifier in the database module associated with the bank; transmitting transaction information associated with the first transaction identifier to the central database and transmitting the transaction information associated with the first transaction identifier to a purchasing organization.
EFFECT: faster response to a purchase approval request.
18 cl, 7 dwg
