Advanced Features Guide

Contents
4 April 2012Express Checkout Advanced Features Guide
Integrating Express Checkout With Your Mobile Website . . . . . . . . . . . . . . . . . . 31
Enabling PayPal Account Optional Checkout on Mobile Devices . . . . . . . . . . . . . . 34
Request Fields Supported by Express Checkout on Mobile Devices . . . . . . . . . . . . 36
NVP Request Fields Supported by Express Checkout on Mobile Devices . . . . . . . 37
SOAP Request Fields Supported by Express Checkout on Mobile Devices . . . . . . 39
Locales Supported by Express Checkout on Mobile Devices . . . . . . . . . . . . . . . . 40
Locale Codes Not Supported by Express Checkout on Mobile Devices . . . . . . . . 40
Handling Locales Not Supported by Express Checkout on Mobile Devices. . . . . . . 40
Features Not Supported by Express Checkout on Mobile Devices . . . . . . . . . . . . . 41
Chapter 3 Handling Recurring Payments. . . . . . . . . . . . . . . .43
How Recurring Payments Work . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
Limitations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
Recurring Payments Terms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Options for Creating a Recurring Payments Profile . . . . . . . . . . . . . . . . . . . . . 45
Specifying the Regular Payment Period . . . . . . . . . . . . . . . . . . . . . . . . . 45
Including an Optional Trial Period . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Specifying an Initial Payment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Maximum Number of Failed Payments . . . . . . . . . . . . . . . . . . . . . . . . . 46
Billing the Outstanding Amount . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Identifying Items as Digital or Physical Goods. . . . . . . . . . . . . . . . . . . . . . 47
Recurring Payments With the Express Checkout API . . . . . . . . . . . . . . . . . . . . 47
Initiating the Processing Flow With SetExpressCheckout . . . . . . . . . . . . . . . 49
Redirecting the Buyer to PayPal. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Getting Buyer Details Using GetExpressCheckoutDetails. . . . . . . . . . . . . . . . 51
Creating the Profiles With CreateRecurringPaymentsProfile . . . . . . . . . . . . . . 51
Recurring Payments Profile Status. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
Getting Recurring Payments Profile Information . . . . . . . . . . . . . . . . . . . . . . . 53
Modifying a Recurring Payments Profile . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Updating Addresses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
Updating the Billing Amount . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
Billing the Outstanding Amount of a Profile . . . . . . . . . . . . . . . . . . . . . . . . . 55
Recurring Payments Notifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
Chapter 4 Reference Transactions . . . . . . . . . . . . . . . . . . .57
Introduction to Reference Transactions . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
Reference Transactions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
Billing Agreements. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58