* Offers hands-on tips and numerous code examples that show Web developers how to leverage content and feeds from today's top Web sites-including Google, eBay, PayPal, Amazon, Yahoo!, and FedEx<br> * Introduces APIs (Application Program Interfaces) in general and uses real-world examples that show how to produce and document them<br> * Explains how to use the popular scripting language PHP to create APIs that interact with unrelated applications over the Web<br> * Examples take readers through each stage of the API process, from basic test implementations to integration with existing sites