Home Coupa Registration Coupa Pay Setup Coupa Training Guides Coupa FAQ Coupa Support Contact Coupa is Friendship PCS’s ecommerce solution for purchasing, invoicing and payments. Provided at no cost to suppliers, Coupa offers: Seamless processingFaster paymentsUser-friendly buying channelsQuick and easy electronic invoice submissionAbility to flip purchase orders into invoicesFull-integration capability for high-transaction suppliersOnline, 24/7 access to invoice status in real time, in addition to existing help desk numbersAbility to submit advanced shipment notificationsMinimized invoicing errors FPCS is asking that all vendors sign up for the Coupa portal and use it to submit invoices and receive payments.