BIP Enterprise automates the delivery of a payment instruction file from the Buyer’s Enterprise Resource Planning (ERP) platform to the BIP platform. On the other hand, BIP Express is designed for small- to mid-size business and companies that do not want to integrate a solution with their in-house systems. Reduce start-up time and system integration by choosing American Express BIP Express. Our password-protected portal keeps information secure while giving you online access to a single electronic payment tool.