eBay4R is a Ruby wrapper for eBay's Web Services SOAP API. Has ease of use and small footprint. Instead of 40-50 line examples eBay gives you in C# and Java, with Ruby and eBay4R, examples are 5 lines or less.
First an API for cars, now there's one for the places that sell them. A new service from GOSO creates a standard interface to report real-time inventory and other car details. Any developer can now tap into this data and let users know where to find that blue Camry.