If you're asking because this month's repayment looks tight, I'd call your lender before you put it on a card. You'll still owe the money on the card, and the fees and interest can leave you with a bigger problem next month.
Don't assume your home loan accepts credit card payments. The payment methods your lender allows, the bill payment service's restrictions and your card issuer's rules all matter. A BPAY number on its own doesn't mean a credit card is accepted.

