Amazon Search API

Amazon products API - Looking for basic overview and information

Your post contains several questions, so I'll try to answer them one at a time:

1. The API you're interested in is the Product Advertising API (PA). It allows you programmatic access to search and retrieve product information from Amazon's catalog. If you're having trouble finding information on the API, that's because the web service has undergone two name changes in recent history: it was also known as ECS and AAWS.
2. The signature process you're referring to is the same HMAC signature that all of the other AWS services use for authentication. All that's required to sign your requests to the Product Advertising API is a function to compute a SHA-1 hash and and AWS developer key. For more information, see the section of the developer documentation on signing requests.
3. As far as I know, there is no support for retrieving RSS feeds of products or tags through PA. If anyone has information suggesting otherwise, please correct me.
4. Either the REST or SOAP APIs should make your use case very straight forward. Amazon provides a fairly basic "getting started" guide available here. As well, you can view the complete API developer documentation here.

Although the documentation is a little hard to find (likely due to all the name changes), the PA API is very well documented and rather elegant. With a modicum of elbow grease and some previous experience in calling out to web services, you shouldn't have any trouble getting the information you need from the API.

Is amazon providing any API to get product list rather than Advertising API

Amazon does provide product advertising apis, below is the wsdl for same -

http://webservices.amazon.com/AWSECommerceService/AWSECommerceService.wsdl?rw_useCurrentProtocol=1

For details you should check Amazon Product advertising API. Please also need that to use it you should be registered as amazon affiliate.

How to get Amazon product information through API

Amazon recently changed their affiliate policy regarding API access. They want you to have three affiliate link transactions within 180 days to be in good standing. They will need to conduct a review of your affiliate site. Until then, the API keys will only be good for generating product links.

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