Patent ID: 8712865

Claim:
A method for exchanging data relating to an electronic transaction, comprising: (a) receiving at a first entity a transaction definition message, the transaction definition message indicative of the electronic transaction and including at least an identifier of the electronic transaction and an identifier of a second entity; (b) performing, by a device of the first entity, one or more processing steps on at least the transaction definition message including at least (i) determining and reserving an available address from a plurality of predetermined addresses, yielding a reserved address, and (ii) creating an offer message, the offer message indicative of the electronic transaction and including at least a description of the electronic transaction, the reserved address, and the identifier of the second entity; (c) sending, by a first gateway of the first entity, the offer message towards the second entity; (d) receiving, by a second gateway of the first entity, a response message from the second entity; and (e) releasing the reserved address for use in a subsequent offer message.