antivirus security software

Payflow Pro - 2008 - Fraud Protection Services
User's Guide
Permissions Service - 2013
User's Guide

books

Mobile Payments Library - 2012 Android
Developer's Guide

development software

Website Payments Pro - 2010 - Recurring Payments Payflow Edition
Developer's Guide

gateways/controllers

Gateway - 2012
Developer's Guide
Gateway - 2013
Developer's Guide
Gateway - 2014
Developer's Guide
Virtual Terminal - 2005
User's Guide
Website Payments Pro - 2007 - HTTPS Interface
Developer's Guide

portable device management carts & cabinets

Merchant - 2003 - Tools
User guide
Merchant - 2006 - Website Payments Standard and Email Payments
Overview

POS terminals

Virtual Terminal - 2009
User's Guide

software

Adaptive Payments - 2012
Developer's Guide
Express Checkout - 2012
Advanced Features GuideIntegration Guide
Express Checkout - 2013
Payflow Pro Guide
Invoicing - 2012
User guide
Merchant - 2005
User's Manual
Name-Value Pair API - 2009
Developer's Guide
Name-Value Pair API - 2013
Developer's Guide
Payflow - 2009 - ACH Payment Service
User guide
Payflow Pro - 2007
Developer's Guide
Pro - 2012
Integration Guide
SOAP API Developer - 2012
Reference Manual
SOAP API Developer - 2013
Reference Manual
Web Services API - 2006
Reference Manual
Website Payments Pro - 2007
Developer's Guide
Website Payments Pro - 2011 - Hosted Solution
Integration Guide
Website Payments Pro - 2012 - Hosted Solution
Integration Guide
Website Payments Standard - 2009 - Button Manager API (NVP)
User guide
Website Payments Standard - 2009 - Button Manager API (SOAP)
User guide
Website Payments Standard - 2012
Integration Guide
Website Payments Standard - 2012 - Button Manager API (NVP)
User guide
Other →

software manuals

Password Management - 2002
Installation guide
Sandbox - 2006
User guide

warranty & support extensions

Permissions Service - 2012
User's Guide