BigCommerce answers those through APIs, which let other software, or an AI assistant, manage your store for you rather than someone working through the admin screens one page at a time. What BigCommerce does BigCommerce is an e-commerce platform with APIs for building and managing online stores, products, catalogs, orders, customers, checkouts, payments, and shipping. BigCommerce says it powers tens of thousands of online stores and calls its approach open SaaS: a hosted store you do not have to run yourself, but one you can reach into with code. What you can get done Item Master Data Management Keeping your catalog organized, starting with the categories shoppers browse. Price List Management A price list is a set of prices for a particular group, such as wholesale buyers or a regional market.