Payday loans are often 300-600%. Or at least were in many states before regulation was passed. See here for details state by state: https://paydayloaninfo.org/

Payday loans are often 300-600%. Or at least were in many states before regulation was passed. See here for details state by state: https://paydayloaninfo.org/state-information https://paydayloaninfo.org/state-information That said, APR of 20%+ on high reward credit cards is not uncommon. I have various cards with various APRs over 20%. I have never paid a penny of interest on them so I don't track which APR is which.. usually the juicier the "reward" of a card, the higher the APR. Which matters not if you fully repay.