GreatKup Perks Join GreatKup Perks without a physical card. Your digital loyalty card will be created instantly. First name Last name Email Phone Number (optional) Password Your digital loyalty card will be created automatically. Join GreatKup Perks Yes, I would like to receive occasional emails from GreatKup Coffee about new drinks, rewards, events and special offers. Yes, I'd like to receive occasional text messages from GreatKup Coffee about rewards, events and special offers.