Developer's Guide

Table Of Contents
Payflow Pro Developer’s Guide 9
Preface
This guide describes Payflow Pro, a high performance TCP/IP-based Internet payment
solution and how to use it to process credit card . Payflow Pro is pre-integrated with leading e-
commerce solutions and is also available as a downloadable software development kit (SDK).
Scope
This guide explains how to integrate Payflow Pro into your website or application to process
credit card transactions over the Payflow payments gateway. It includes information and
special requirements for all supported processors. To process Express Checkout transactions
over the Payflow gateway, see the following Payflow guide: Express Checkout for Payflow
Pro.
Intended Audience
This guide assumes that its readers:
z Are experienced web or application developers
z Have a background in payments services
Related Documentation
For additional Payflow information, see the following related documentation:
z Express Checkout for Payflow Pro, for integrating Express Checkout as a payment
solution. Use this guide in conjunction with the Express Checkout guide for complete
information on Payflow transaction processing.
z PayPal Manager online help, for processing transactions manually, issuing credit cards, and
generating reports
z For additional help, see the Help Center at the following URL:
https://www.paypal.com/us/cgi-bin/helpweb?cmd=help
The Sample Code and Documentation section of the PayPal Developer Central home page
provides a link to the Payflow documentation.