This is an ideal affiliate program for bloggers and website owners with financially related content or high quality traffic coming in from search engines and social networks. American Expres is by far one of the most handsomely paying affiliate programs on the world wide web, as well as a stable source of affiliate income. If your site gets high quality traffic and converts visitors into sales, this might be your calling.
To register as an affiliate, you have to inquire directly with American express by filling out their site application and having a representative contact you by e-mail or telephone. Their affiliate program is "in-house."
Apply here to be an American Express Payment Gateway Publisher