How To Log In To Your American Express Serve Card

If you are a holder of the American Express Serve prepaid debit card, you can log in to your card account at

The login page will look like this:


  • If you have forgotten your Serve username or password, go here for help.
  • If you are still having trouble logging in, the Serve card customer service phone number is 800-954-0559.
  • If you need to sign for a Serve card account, go here.