Zūm Rails | 7,100 followers on LinkedIn. Zūm Rails unites Payments, Open Banking, & BaaS into one seamless platform to simplify finance and fuel business growth. | Zūm Rails: The All-in-One Payments Platform Zūm Rails combines Payments, Open Banking, and Banking as a Service (BaaS) into a seamless solution that simplifies financial operations and unlocks new opportunities for businesses. Why Choose Zūm Rails? - Simplified Payments & Open Banking Connect to financial accounts instantly and securely with open banking aggregation.