Onpex, The Online Payment Exchange, gained the first customer for its e-commerce gateway in 2013 after building its system from scratch with modularity in its software and architecture. The flexibility in Onpex’s system means that every customer integrates directly with the core system, a more efficient way to handle transactions flowing in and out. Onpex refers merchants to 12 acquirers including 2 in Asia and 1 in the U.S. In Europe acquirers include Postbank in Germany and EMS in the Netherlands. It was recently approved by Visa Europe as a PCI-DSS validated handler of cardholder data....