As long as it has a Visa, Mastercard, Discover or American Express logo on it, you can use it as a payment method when you reload using myhopcard.com, the Hop app or 1-844-MYHOPCARD, or at transit agency Customer Service offices (where you can also buy a Hop card). However, you can’t use a commuter benefit card or transit debit card to buy or reload a Hop card at Hop retailers such as grocery stores.