Yes you can use your credit card to pay bills as long as the merchant accepts credit cards a payment option. Paying bills with a credit card has its advantages as well as disadvantages. Advantages include convenience and getting Airline miles or other bonus points and incentives that your card offers. There are also disadvantages that you need to consider before using your credit card to pay bills.
Do you pay off your credit cards in full every month? If you carry a balance on your credit card, the interest that you'll pay on the bill payment charges will more than outweigh any bonus points you may get.
Many people also don't look closely at their bills once they've set up automatic payments, so they're more likely to miss errors entirely. In general, using a credit card to pay bills requires you to be responsible about keeping records and especially about paying the card off every month. You should only consider using a credit card to pay monthly bills if you are sure you can pay off the balance at the end of the month.
Bear in mind, however, that regardless of whether you use online bill pay for the convenience factor, or just to rack up rewards, it's critical to pay off the credit card used each month. Non-discretionary spending like rent, mortgage, utilities, etc, can get out of control in a hurry if allowed to pile up month after month on a credit card. As with everything involving credit, discipline is crucial.
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