The commonly accepted payment gateways used by most online casinos are Discover, Visa and MasterCard and several of them tend to miss on the Amex.
There are several players who do have just an American Express card and nothing else. They tend to skip on several sites for the reason that the Amex is not accepted. So, for the many players who did have a similar problem in the past it is going to be exciting where they can play at a reliable gambling destination that is workable for payment within the systems they are already using. There is no need for them to use alternate payment methods if Amex is their only card. They can happily use it there.
Some of them prefer to use their Amex for the many free miles and extra perks they get with that card, regardless of having a Visa or MasterCard. After the site declared the acceptance of American Express gamblers are flocking in to play at the site.
Apart form the American Express deposits, the site is also accepting Visa, MasterCard, Discover, UseMyWallet, EcoCard, Neteller, eWalletXpress, Click2Pay, Echeck, Diners Club, Moneybookers, and Cash Transfer.
So, regardless of whether you have an Amex card or not you can still try your luck in there, because, they accept almost every available payment option to favor every kind of gambler with different card usage.