Amazon E-Commerce Service -develop yourself and develop us

When I was trying to create a music shopping website. I was trying figure out the best possible API. I found that Amazon E-commerce API best suits my requirements. Amazon E-commerce API provides functionalities like Product search, Shopping cart , Payment processing etc... Amazon E-commerce API helps the associates who use their API to generate income by referals. This is promoting more business to Amazon. Amazon also offers lot of other webservices which are very helpful.