American Express Merchant Website Support Center 


Quickly get the information you need to manage your Merchant Account, Payments, and Disputes with ease.

Get Help by Topic 


No need to wait on the phone to chat with support. Learn how to manage your Merchant Account on your own time.

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Live Chat


Click the 'Chat' button once you login to your merchant account to chat with a member of our service team.

Mon-Fri, 8:00am - 6:30pm ET

Call Us



Our Merchant customer care representatives will assist you Mon-Fri, 8:00am to 8:00pm, ET.

Authorization Department – 1-800-528-2121 | Available 24/7