can someone else use your credit card
A one-time privilege gets stretched. If you authorize someone to act on your behalf, you can't then go to the credit card company and say you refuse to pay for what was charged, says Lawless. In other words, you will be on the hook for any charges racked up by the person using your account. A sample Capital One credit card agreement, under the section, Your Promise to Pay plainly states: If you let someone else use your Card, you are responsible for all transactions that person makes..