amazon certificates

Unfortunately not.

http://www.amazon.com/gp/help/customer/display.html/ref=hp_200138510_tcsfp?nodeId=3122091

Limitations.

• Gift Cards may not be redeemed for the purchase of products at Amazon.co.uk, Amazon.de, Amazon.fr, Amazon.it, Amazon.co.jp, Amazon.ca, or any other website operated by Amazon.com, its affiliates, or any other person or entity, except as indicated by these terms and conditions.