Get 0% intro APR for 15 months on balance transfers made within 45 days of account opening with the Barclaycard Ring™ Mastercard®. After that, a variable 14.24% APR will apply. Promotional Balance Transfers that post to your account within 45 days of account opening: either $5 or 2% of the amount of each transfer, whichever is greater. For balance transfers that post to your account at a non-promotional APR after 45 days of account opening: $0. Control Your Card - Instantly secure your accounts by locking your cards with Barclays SecurHold™, plus set transaction limits and block certain purchase categories for you or your authorized users. Available only on the Barclays mobile app. APR for purchases is 14.24% variable APR.