Check the card balance before using it
Register the card online if the merchant requires billing address verification
Go to the checkout page on the website
Enter the Amex gift card number in the payment section
Enter the expiration date and security code if requested
Use your own name and billing address if the card is registered
Make sure the purchase total does not exceed the card balance
If the total is higher, pay the remaining amount with another payment method
For split payments, use the gift card first, then another card for the rest
Keep the card details handy until the transaction is complete
Save the receipt after payment
If the card is declined, verify the balance, billing address, and merchant acceptance
Use the card only on websites that accept American Express gift cards