American Express Merchant Website Support Center
Quickly get the information you need to manage your Merchant Account, Payments, and Disputes with ease.
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Live Chat
Click the 'Chat' button once you've logged in to your Merchant Account to chat with a member of our service team.
Mon-Fri, 8:00am to 6:30pm ET
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Our Merchant Customer Care Professionals will assist you Mon-Fri, 8:00am to 8:00pm ET
Authorization Department – 1-800-528-2121 | Available 24/7