Programmatically make Amazon purchase?

Question

Is anyone aware of an Amazon API that allows you to purchase items programmatically?

I looked at tons of their web services (Product Advertising, MWS, etc.), and non

Answer 1

http://www.zinc.io/ shows that it is, in fact, possible to do this.

I've read around the net that you could do this by sending crafted _GET responses, although I, myself, am currently trying to figure out which ones to send.