If you already have a terminal
Call Authorisations at your local American Express Office with the name of your terminal provider (typically a bank), your Terminal ID and your American Express Merchant number American Express will contact your bank in order to get your terminal set up.
What should I do if my terminal displays a fault message?
Call Authorisations at your local American Express Office with the name of your terminal provider (typically a bank), your Terminal ID and your American Express Merchant number.