American Express, or AmEx, is an American multinational financial services corporation. Founded in 1850, the company is best known for its credit card, charge card, and traveler’s cheque businesses. American Express has a global footprint with the US as its most important market. American Express SafeKey refers to AmEx’ 3D-Secure product and acts similar to MasterCard SecureCode and Verified by Visa. Online merchants accepting American Express can tap into consumers with spending capability. AmEx merchant charges are normally above MasterCard and Visa credit card rates (depending on merchant profile and location). American Express cards can be used fraudulently and (without SafeKey) the merchants bares liability for chargebacks. Merchants willing to accept American Express payments in their ecommerce shop should turn to their local AmEx office and investigate whether their Payment Service Provider supports American Express online.