If targeted
This from the Amex page-
OFFER DETAILS
Get a one-time $20 statement credit by using your enrolled Card to spend a total of $20 or more online at Amazon.com by 8/31/2014.
TERMS
Offer valid only for purchases on Amazon.com or smile.amazon.com. Amazon Payments are excluded. Not valid at non-US or non-English versions of Amazon.com or websites affiliated with or linked to Amazon.com. Must add offer to Card and use same Card to redeem. Your transaction must be made directly with Amazon.com to qualify. Items ordered during the offer period but shipped after 8/31/14 may not count towards your qualifying purchases for the offer. Offer is non-transferable. Limit 1 statement credit per American Express online account. Enrollment is limited. Statement credit will appear on your billing statement within 90 days after 8/31/14, provided that American Express receives information from the merchant about your qualifying purchase. Statement credit may be reversed if qualifying purchase is returned/cancelled. If American Express does not receive information that identifies your transaction as qualifying for the offer, you will not receive the statement credit. For example, transactions not made directly with the merchant will not qualify. Also, in most cases, you will not receive the statement credit for transactions made with electronic wallets or via third parties. If you use Membership Rewards points for all or any portion of a transaction through the “Shop with Points at Amazon.com” program, the amount of that transaction that you cover with points will not qualify for the offer. Amazon.com is not a sponsor of this promotion. POID: BD4Q:0002
