Abstract: Devices, systems, and methods are provided for enhancing delivery option user interfaces. A method may include receiving, at a first device and at a first time, a delivery request from a second device, and determining a location for the delivery request. The method may include determining, based on the first time and the location, a first available delivery time window and a second available delivery time window, each having respective start and end times. The method may include facilitating presentation of first interface data and second interface data at the second device, including a first indication that a third available delivery time window associated with a no-charge delivery begins at the first time and ends at the second end time, and including a second indication of the first available delivery time window.

Abstract: Disclosed is a server and a method for providing a multi-subscription service. The method performed by the server includes receiving a subscription request for a target merchandise from a user terminal, querying another merchandise to which a user account is subscribing in response to the subscription request being received, determining a usage period of the target merchandise for which a subscription is requested based on a usage period of the other merchandise in response to the other merchandise being queried, calculating a payment amount for an initial subscription of the target merchandise based on the determined usage period, requesting a payment of the calculated payment amount by the user terminal, and providing the target merchandise to the user terminal in response to the payment by the user terminal being approved.

Abstract: Devices, systems, and methods are provided for enhancing delivery option user interfaces. A method may include receiving, at a first device and at a first time, a delivery request from a second device, and determining a location for the delivery request. The method may include determining, based on the first time and the location, a first available delivery time window and a second available delivery time window, each having respective start and end times. The method may include facilitating presentation of first interface data and second interface data at the second device, including a first indication that a third available delivery time window associated with a no-charge delivery begins at the first time and ends at the second end time, and including a second indication of the first available delivery time window.