We're happy to announce that we've launched our public API! Find out full details at http://developer.zappos.com.
A few of the things you can accomplish with our API:
Search : Leverage Zappos robust product search functionality that includes sorting, filtering, and a deep level of categorization/facets
Products : Pull relevant product details (description, default images, different styles, price)
Images : The full set of images for products (different views, sizes, etc.)
Statistics: Find out what is being bought right now!
Brands: Did you know we carry almost 1000 brands? Get more details on specific brands with this API
Reviews: Zappos has thousands of reviews from our amazing customers. Find out what our customer's are saying about our products
The API will be a REST API. In this initial release, it will only return JSON but upcoming releases will support XML.