CarMax
CarMax (NYSE: KMX) is the largest retailer of used cars in the United States, operating an omnichannel business that spans brick-and-mortar stores, carmax.com online purchasing, home delivery, financing, appraisals, and trade-ins. CarMax does not publish a public developer portal, but its engineering organization operates an extensive internal API program built around distinct API roles (Data Access Layer, Business Logic Layer, Server-Driven UI, Backend for Frontend). Public-facing APIs documented by the CarMax Engineering Blog include a Store Locations API and a Vehicle Inventory API, and CarMax has publicly discussed a Server-Driven UI API that controls vehicle search filters across web and mobile. Partner and syndication integrations are handled case by case rather than through a self-service portal.
APIs
CarMax Store Locations API
The CarMax Store Locations API, discussed publicly on the CarMax Engineering Blog, exposes details about all CarMax store locations including addresses, hours, services offered,...
CarMax Vehicle Inventory API
The CarMax Vehicle Inventory API exposes details about all used vehicles currently in CarMax's nationwide inventory, including year/make/model, trim, mileage, price, exterior an...
CarMax Vehicle Search Server-Driven UI API
The CarMax Vehicle Search Server-Driven UI API controls the search filters and list layouts presented across carmax.com and CarMax's mobile apps. It was rewritten approximately ...