1. A computer-method of a supplier/buyer (S/B) network providing catalog updates, comprising; receiving, by the S/B network, a request for an update of product information of a catalog; receiving, by the S/B network, a profile request of at least one supplier from a buyer; confirming, by the S/B network, that the at least one supplier supports product updates; if the at least one supplier supports product information updates, then the S/B network receiving the request for a product information update from the buyer, and requesting the product information update from the at least one supplier; receiving, by the S/B network, the product information update from the at least one supplier; and updating, by the S/B network the catalog based on the product information update.