2FA methods supported by American Express Cards
American Express Cards offers the following two-factor authentication options to help protect your account.
SMS
American Express Cards can send a one-time verification code to your phone via text message.
American Express Cards can deliver a one-time verification code to your email address.
American Express Cards 2FA — Frequently asked questions
Does American Express Cards support an authenticator app?
No. American Express Cards does not currently offer TOTP-based codes, but it does support SMS, Email.
Which two-factor authentication methods does American Express Cards support?
American Express Cards currently supports: SMS, Email.
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