PayPal APIs · Up and Running by Russell, Matthew A. -- Read -- Imperial Library of Trantor

Index

PayPal APIs: Up and Running Preface

Notes About the Second Edition Intended Audience How This Book Is Organized Conventions Used in This Book Using Code Examples Safari® Books Online How to Contact Us

1. PayPal API Overview

Overview of PayPal API Requests Google App Engine Primer

Building and Deploying Your First App Fetching URLs

Making PayPal API Requests with App Engine

Obtaining API Credentials for the Sandbox Environment Making API Requests with 3-Token Credentials

URL encoding and decoding Request and response format Making a PayPal Request with GAE

Recommended Exercises

2. Express Checkout (Including Mobile Express Checkout)

Checkout Process Workflows

Generic Checkout Workflow Express Checkout Workflow

Express Checkout Flow PayPal Express Checkout API Operations

SetExpressCheckout GetExpressCheckoutDetails DoExpressCheckoutPayment

Implementing a Checkout Experience for Tweet Relevance

Selecting a Payment Model Injecting an Express Checkout Entry Point into Tweet Relevance

Mobile Express Checkout (MEC) Recommended Exercises

3. Express Checkout for Digital Goods

Everyone Wins with Digital Goods Transactions Implementing a Digital Goods Checkout for Tweet Relevance

The User Experience Implementation Details

Recommended Exercises

4. Adaptive Payments (Simple, Parallel, and Chained Payments)

Overview of Adaptive Payments Common Adaptive Payment Workflows

Who Pays the Fees?

Payment Approval and Payment Flows

Explicit Payments Preapproved Payments Implicit Payments Guest Payments

The Pay and PaymentDetails APIs

Pay API Operation The PaymentDetails API Operation GAE Simple Adaptive Payments Example GAE Chained Adaptive Payments Example GAE Parallel Payments Example

Integrating a “Simple” Adaptive Payment into Tweet Relevance There’s a Lot More Recommended Exercises

5. Website Payments Pro (Direct Payment)

Overview of Direct Payment PayPal Direct Payment API Operations Implementing DoDirectPayment

DoDirectPayment API Operation Implementing DoDirectPayment with GAE

Integrating DoDirectPayment and Tweet Relevance Recommended Exercises

6. Instant Payment Notifications (IPNs)

Overview of IPNs

IPN Protocol and Architecture

Integrating IPNs Into Tweet Relevance Recommended Exercises

A. Overview of Tweet Relevance

Understanding Tweet Relevance’s AppHandler Recommended Exercises

B. Mobile Payment Libraries (MPLs)

Overview Should I Use MPLs or Mobile Express Checkout (MEC)? Recommended Exercises

About the Author