A string of characters that, when entered into the designated field within the Starbucks application, unlocks a discount or special offer. For instance, a user might input a specified sequence during checkout to receive a percentage off their total order.
These alphanumeric keys provide a direct method for consumers to access savings and promotions. Historically, they have served as effective tools for driving app adoption, incentivizing repeat purchases, and boosting overall customer engagement with the Starbucks brand. They represent a mutually beneficial arrangement: consumers gain access to cost savings, while Starbucks strengthens its customer loyalty and increases app usage.