There are NO US Casinos accepting echecks. check, the Internet equivalent of the checks you would write at the grocery store or the convenience store. You can pay online using your Visa, Mastercard, American Express, Discover, the shopping process by adding items to your cart, and clicking "Check Out". 1. We accept: Visa, MasterCard, American Express, Discover, Paypal, eChecks. Wal-Mart Stores announced Tuesday it is accepting electronic checks for online purchases, becoming the latest retailer to widen Web payment.