1. Log in to official website of mcake card.
2. click the "manage star gift cards" option on the left.
3. enter the card number, password and verification code in the position on the right.
4. click the verify button.
5. after verification, you can check the face value of Starbucks gifts.
after the above steps are completed, you can check the face value of the mcake card. I hope the above information is helpful to you.