Integration Guide
Table Of Contents
- PayPal Express Checkout Integration Guide
- Contents
- Preface
- Getting Started With Express Checkout
- Express Checkout User Interface Requirements
- Related API Operations
- Integrating Express Checkout With PayPal SDKs
- Going Live With Your Express Checkout Integration
- Obtaining API Credentials
- PayPal Name-Value Pair API Basics
- 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
Getting Started With Express Checkout
Express Checkout Building Blocks
32 August 7, 2012 Express Checkout Integration Guide
Express Checkout Integration
A token is a value assigned by PayPal that associates the execution of API operations and
commands with a specific instance of a user experience flow.
NOTE: Tokens are not shown in the diagram.
Express Checkout Buttons
PayPal provides buttons and images for you to place on your website.
To implement the Express Checkout shopping cart experience, place the following button on
your Shopping Cart page:
To implement PayPal as a payment option, which is part of the Express Checkout experience,
associate the PayPal mark image with your payment options. PayPal recommends using radio
buttons for payment options: