The api set provides a REST based interface for Best Buy retailers entire product catalog which is updated regularly and access to information like pricing, availability, specifications, descriptions and images for nearly a million current and historical products.
Products can be searched using some 70 different product attributes like: productid, name, type, sku id, regular price etc. There is a search function using keyword which is in beta state.
It also has a bias function where the user can specify how important or unimportant a particular search attribute is to him/her by attaching certain weight to the search results.
The api can also be used to search the availability of stores within the specified distance with a particular product in stock. It also includes Napster’s product catalog.
Another important feature which can be used by Shopster is the review api which allows retrieval of review information like reviewer, rating, date submitted, and review commentary.
Disadvantages:
* only access to best buy company info- not necessarily a disadvantage.
* popular only in US.