Paypal Express Checkout 2012 Integration Guide

2015-07-27

• PayPal Express Checkout Integration Guide
  • Contents
  • Preface
    • About This Guide
    • Intended Audience
    • Where to Go for More Information
    • Documentation Feedback
  • Getting Started With Express Checkout
    • Key Features of Express Checkout
      • The Express Checkout Experience
      • Supported Countries and Currencies
    • Relationship Between Express Checkout and Shopping Carts
    • Express Checkout Prerequisites
    • Implementing the Simplest Express Checkout Integration
      • Obtaining an Express Checkout Button and PayPal Mark
      • Before You Start Coding
      • Setting Up the Express Checkout Transaction
      • Obtaining Express Checkout Transaction Details
      • Completing the Express Checkout Transaction
      • Testing an Express Checkout Integration
      • Security Issues
    • Troubleshooting Your Express Checkout Integration
      • Error Handling
      • Timeouts
      • Logging API Operations
      • Encoding and Decoding Values
    • Express Checkout Features
      • Customizing the Express Checkout User Interface
      • Settlements and Captured Payments
      • Refunds
      • Recurring Payments
      • Mobile Express Checkout
      • Parallel Payments With Express Checkout
      • Fraud Management Filters
      • Event Notification
      • Dynamic Images Overview
      • Express Checkout Instant Update
    • Express Checkout Building Blocks
      • Express Checkout Buttons
      • Express Checkout API Operations
      • Express Checkout Command
      • Express Checkout Token Usage
  • Express Checkout User Interface Requirements
    • Express Checkout Flow
      • Checkout Entry Point
      • Payment Option Entry Point
    • PayPal Button and Logo Images
      • Express Checkout Image Flavors
      • Express Checkout Images
      • Payment Mark
  • Related API Operations
    • Sale Payment Action for Express Checkout
    • Authorization Payment Action for Express Checkout
    • Order Payment Action for Express Checkout
    • Issuing Refunds
    • Tracking Failed or Pending Requests
  • Integrating Express Checkout With PayPal SDKs
  • Going Live With Your Express Checkout Integration
  • Obtaining API Credentials
    • Creating an API Signature
    • Creating an API Certificate
      • Encrypting Your Certificate Into PKCS12 Format
      • Importing Your Certificate
  • PayPal Name-Value Pair API Basics
    • PayPal API Client-Server Architecture
      • PayPal Name-Value Pair API Requests and Responses
      • UTF-8 Character Encoding
      • Multiple API Operations
    • NVP Format
    • Creating an NVP Request
      • Specifying the PayPal API Operation
      • Specifying an API Credential Using Signatures
      • URL Encoding
      • List Syntax for Name-Value Pairs
    • Executing NVP API Operations
      • Specifying a PayPal Server
      • Logging API Operations
    • Responding to an NVP Response
      • Common Response Fields
      • Error Responses
      • URL Decoding
  • PayPal SOAP API Basics
    • PayPal WSDL/XSD Schema Definitions
    • PayPal SOAP API Definitions
    • Security
    • SOAP RequesterCredentials: Username, Password, Signature, and Subject
    • SOAP Service Endpoints
    • SOAP Request Envelope
    • Request Structure
    • SOAP Message Style: doc-literal
    • Response Structure
    • Error Responses
    • CorrelationID for Reporting Problems to PayPal
    • UTF-8 Character Encoding
    • Date/Time Formats
    • Core Currency Amount Data Type