Fixed vs. variable APR
Some credit cards are “rates” - the annual percentage rate does not change, or at least not often. Even the annual percentage rate on a “fixed rate” credit card may, over time. However, credit card companies must tell you before increasing the rates of farmhouse effective annual interest.
Other credit cards are “variable” - the evolution of the annual percentage rate from time to time. The rate is usually with another interest rate, such as premium rates or interest rates. If other changes, the rate on your card may change too. Looking for information on credit card and the application of the credit agreement, how many times your card’s April May modify (the Convention is a treaty - these are the terms and conditions of use of your credit card ).