Easy Step to get Starbucks gift card & promo codes Singapore. How to activate a Starbucks gift card? Starbucks is no doubt everyone's favorite beverage brand all around the world. It consists of many delicious drinks like Caramel Macchiato, White Chocolate Mocha, Café Americano, Flat White and Pumpkin Spice Latte. Starbucks from time to time provides gift cards and discount offers to it's customers, so for once people can enjoy the high end drinks of Starbucks for free. As far as the answer to the above question is concerned, there is really nothing to activate in terms of redemption in the gift card. So, if you are presented with a Starbucks gift card, simply take it into your local Starbucks, order your drink or food, then present the cashier with the card.