If your web application's success depends on how quickly and easily users can make transactions, then PayPal is a solution you can't afford to overlook. This book helps you determine which PayPal option is best for your situation, and provides step-by-step instructions for implementing the payment method you choose#8212;whether you're accepting money via the Web or mobile devices for products and services, donations, or anything else. You'll find sample code written primarily in Php and Objective-C, as well as use cases for executing options with PayPal's Api. By the end of this book, you'll have a clear understanding of PayPal and how you can get the most out of its powerful features, no matter how much Api programming experience you have.Learn how ...