Kindly refer to the following link(s):

About credit cards - Assim Al Hakeem


Online shoping, paying with credit card 


Is using Credit Card a sin and is it Riba?


Reward points from credit cards


Is it sinful to use someone's credit card to buy halal things?



Ruling on using Credit Cards due to necessity (charging the credit card) avoid signing riba documents


Ruling on using Credit Card when its mandatory in some places (renting a car)


Debit card without overdraft System Permissible?


Credit cards are haram but in Canada, US we're forced to use them, what to do?