When you register a Starbucks Card in Canada and make at least one purchase, you will automatically recieve a free beverage on your birthday.
Membership is free, no hidden costs to pay.
All registered Starbucks Card holders get a handcrafted beverage of their choice on their birthday. My Starbucks Rewards will make you feel special all year long, but for this one day you’re extra special.
To qualify, you must make a purchase anytime within 12 months of registering your card. Bring your birthday postcard to any store by the expiration date printed on the card. The birthday postcard will be in your mailbox about 3-7 days before your birthday

My Starbucks Rewards | Starbucks Coffee Company