E-commerce infrastructure is all of the technological and software components that enable an e-commerce business to operate functionally and effectively online. This infrastructure includes elements such as website design, product management, shopping cart functions, payment processing systems, security protocols, customer data management, inventory tracking and logistics integration.

The main purpose of e-commerce infrastructure is to create an online platform where users can easily navigate, find and review products, and make purchases with confidence. This infrastructure also provides the necessary tools for sellers to effectively list their products, manage orders and maintain customer relationships.