Abstract: According to one embodiment, an information processing server device for an electronic receipt system includes a communication interface configured to receive electronic receipt data from a plurality of stores, a storage unit for storing electronic receipt data received from the plurality of stores in association with a user ID, and a processor. The processor acquires information from the stored electronic receipt data about items of merchandise purchased within a predetermined period by a user associated with the user ID, and causes a user terminal associated with the user ID to display the information about the items of merchandise purchased during the predetermined period along with a delivery request button. The processor can receive, via the communication interface, a delivery request from the user terminal for one or more items of merchandise, and then transmit, via the communication interface, information relating to the delivery request to a delivery person terminal.

Abstract: According to one embodiment, an information processing apparatus for an electronic receipt system includes a communication interface and a control unit. The communication interface is configured to connect to a store server and a portable terminal. The control unit is configured to generate electronic receipt information based on commodity transaction information received from the store server via the communication interface, acquire position information corresponding to the commodity transaction information, and store the electronic receipt information and the position information in association with each other.