Amazon have an API that you can legally use for free. http://docs.aws.amazon.com/AWSECommerceService/latest/DG/Welcome.html http://docs.aws.amazon.com/AWSEComm

Amazon have an API that you can legally use for free. http://docs.aws.amazon.com/AWSECommerceService/latest/DG/Welcome.html http://docs.aws.amazon.com/AWSECommerceService/latest/DG/Wel...