Fecha de publicación: 11/06/2020 Fuente: WIPO "apis" Methods and systems for processing an order are disclosed. A unified shopping cart receives a first request from a first tenant interface and second request from a second tenant interface, different from the first tenant interface. Each request includes first request data including a customer identifier, a selection of one or more items, and a desired delivery mode. The first request and the second request are associated with the same customer, and are processed using a unified payment transaction.