Harness the power of Apple Pay in your iOS apps and integrate it with global payment gateways About This Book Be it adding an Apple Pay button to your app or calculating sales tax with Apple Pay- this book gives you all the information you need to build a fully-functional Apply Pay application Paying within iOS Apps made easier and secure with this no nonsense and powerful guide Escape tedious payment options by creating compelling product card screens that present the Pay button, which your customers can tap to quickly order your products Who This Book Is For This book is for anyone who wants to integrate Apple Pay in their applications. Basic familiarity with programming and the Xcode developer tools is expected. What You Will Learn Design a product card that includes the Apple Pay button Implement the Apple Pay workflow in an efficient way Use NSDecimalNumber objects to perform financial calculations accurately Manage custom order information in the Apple Pay workflow and your custom order management system Extract payment information from a payment token Implement a secure, server-side payment-processor program Find out everything you wanted to know about Apple Pay in iOS 9 Table of Contents Chapter 1: Getting Started with Apple Pay Chapter 2: Payment Request Workflow Chapter 3: Payment Authorization Workflow Chapter 4: Payment Processing Workflow Chapter 5: Designing an Order Management Server Chapter 6: Apple Pay API Summary