VTEX is the first and only fully integrated commerce, marketplace and OMS solution that offers fastest time-to-revenue and no upgrades. VTEX is a SaaS (Software as a Service) e-commerce platform that offers all tecnology needed to retailers sell online. VTEX is a multi-tenant single-instance platform that uses a cloud infrastructure as a service as a unique ecommerce solution that provides auto-. Rating 9/10 · Review by Jenny ChangWhat is VTEX? VTEX is a versatile, cloud-based e-commerce platform designed to help online.