Abstract: Systems and methods for building a product that has a plurality of components. A product builder receives the user request to build the product and communicates with one or more APIs that identify a category of the product, a plurality of components associated with the category of the product, and relationships between the plurality of components. The product builder then displays a first list of components in the category of the product. The product builder receives a user selection of one of components in the first list, and then displays a second list of components that are compatible with the first selected component. The user then selects one of the components in the second list, and so on, until the product is ready to be built. The product builder can then be used to purchase the built product that is specific to the user or direct the user to websites that sell each of the components necessary to build the product.