One way to lower your credit card interest rate is to apply for a new card that offers a 0% intro rate. You can also try negotiating with your bank or credit union to lower the interest rate on your existing credit card, though you’re more likely to get a fee waived than receive a lower interest rate. Still, it doesn’t hurt to try. Below, you can learn more about a variety of strategies you can use to bring down your rates.
https://wallethub.com/edu/cc/lower-interest-rate-on-credit-cards/25574