An ice machine includes an insulated compartment to store ice, a dispenser having access to the insulated compartment to dispense ice from the insulated compartment, a card reader, and a controller in communication with the card reader and the dispenser. The controller stores permission settings including a public setting and a private setting. The controller is to receive a card number from the card reader. The controller is to determine whether to initiate ice dispensing using the dispenser based on the card number, the public setting and the private setting.