To sign-up and add a Starbucks card towards your account, you need to have a least balance of $five around the card. According to the lack of locating a way to perform what I request about, I think Amazon supplies no technique to validate the worth on their gift cards https://ilovebookmark.com/story16989025/the-smart-trick-of-check-gift-card-balance-coles-that-nobody-is-discussing