1. A computer to facilitate the management and electronic ordering of goods and services over an existing electronic financial network, the computer comprising: one or more input/output units; one or more processors; and one or more non-transitory memories encoded with computer programs, the computer program comprising a set of instructions that, when executed by the one or more processors, operates to perform the operations of: associating a plurality of products of one or more products providers with a plurality of product order codes; determining receipt of a purchase order message including a unique transaction card identifier and one or more of the plurality of product order codes, the purchase order being sent from a computer associated with an issuer of the unique transaction card identifier through an existing financial services electronic payment network, the unique transaction card identifier comprising an issuer identifier number; and matching each of the one or more of the plurality of product order codes in the purchase order message with one or more of a plurality of corresponding products of one or more product providers when the purchase order message satisfies rule-based criteria to thereby create a valid product order.