It pays to read the details! Bank One Delaware offers a Platinum Visa Credit Card to qualifying persons with an introductory 0% fixed APR on all purchases and balance transfers and, after the 12-month introductory period, a low variable APR on purchases and balance transfers at a current annual rate of 8.99%. However, the default rate is 24.99% APR. A default occurs if the minimum payment is not received by the due date on the billing statement or if your balance ever exceeds your credit limit. Find the difference in just one month's interest on an average daily balance of $ 1,000 if the payment is not received by the due date.