2012

PayPal Mobile Express Checkout Library Developer Guide and Reference January 2011 5
Preface
The PayPal Mobile Express Checkout Library lets you embed your mobile implementation of
Express Checkout in mobile applications for the iPhone
®
and iPod touch
®
.
Purpose
The PayPal Mobile Express Checkout Library lets you embed Express Checkout in iPhone and
iPod touch applications. Download the library from x.com/mobile and include it in your
application. You need only a few lines of code to integrate the library and your Express Checkout
implementation in your mobile application.
Scope
This document describes how to use the PayPal Mobile Express Checkout Library to embed your
mobile implementation of Express Checkout in your mobile application. It also describes how to
provide your build to PayPal. We review your application so we can approve it to accept
payments through the library.
Revision History
The following table lists revisions made to the Mobile Express Checkout Library Developer
Guide and Reference.
Date Published
Description
January 2011
Updated to reflect the disabling of „Keep Me Logged In‟ functionality for version
1.0.1
November 2010
Created for version 1.0 of the Mobile Express Checkout Library
Where to Go for More Information
 Express Checkout Integration Guide
 Mobile Payments Library Developer Guide and Reference – iOS Edition
 Sandbox User Guide
 Merchant Setup and Administration Guide
 PayPal X Developer Network (x.com)