Web Services on Rails

http://www.oreilly.com/catalog/websor/index.html

This PDF will show you how your small business or enterprise can publish its APIs (application programming interface) to a developer community just like the behemoths of the Internet--Google, Yahoo!, eBay, and Amazon. We'll look at how Ruby on Rails makes building web service clients and servers simple and fun. Along the way, we'll give working examples and code details so you can see just how everything works.

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