Study Guide
Table Of Contents
- PayPal Certified Developer Program Study Guide
- Contents
 - List of Tables
 - Online Payment Processing
 - Internet Security and Fraud Prevention
- Why Every Business Should Be Concerned About Internet Fraud
 - Liability for Internet Fraud
 - Internet Fraud: What It Is and How It Happens
 - Who Is at Risk for Online Fraud
 - Reducing Exposure to Fraud
 - What Banks and Card Associations Are Doing to Prevent Online Credit Card Fraud
 - What PayPal Is Doing to Protect Your Business Against Fraud
 - Disclosure and Compliance
 - PayPal Fraud Protection Services
 - Review Questions
 
 - Getting Started With Account Setup
 - API Credentials
 - Name-Value Pair (NVP) API
 - Express Checkout
 - Direct Payment API
 - Transactions
 - Sandbox Testing
 - Answers to Review Questions
 - General Reference Information
 - Glossary
 - Index
 
 
Online Payment Processing
PayPal’s Payment Processing Solutions
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14 March 2008 PayPal Certified Developer Program Study Guide
Reliable
z Provide reliable and cost-effective acceptance and processing of a variety of payment types
z Authorize credit cards in real time
z Scale to thousands of transactions to meet peak demand
z Based on a fault-tolerant network of redundant servers to ensure uninterrupted operations
Easy to Use
z Provide easy, flexible integration with merchant’s website
z Scale rapidly and seamlessly as transaction volume increases
z Work with leading internet merchant account providers
z Provide easy-to-use tracking and reporting system
z Store transaction records securely
z Process offline transactions through a virtual terminal
z Provide recurring billing payment for services
z Offer upgrade options to accommodate future growth
PayPal’s Payment Processing Solutions
PayPal’s payment processing solutions are designed to meet the demanding and diverse needs 
of a variety of online merchants. By providing affordable payment connections among 
merchants, customers, and financial networks, PayPal’s solutions take advantage of the latest 
technical resources to streamline transactions, while helping to prevent fraud. Products 
including Payflow Link, Payflow Pro, Website Payments Standard, and Website Payments Pro 
allow everyone from mom-and-pop online retail stores to enterprise-level businesses to 
process transactions easily, reliably, and securely.
PayPal’s Fraud Protection Services and Recurring Billing Service for Payflow, along with 
other customer service packages, include professional integration support. Most importantly, 
Payflow offers one of the industry’s few payment processing services with immediate 
connectivity to all major processors and most shopping carts. Note, however, that you do not 
need a PayPal account to process credit cards on your website.
Once you have your own website, ask a few simple questions to determine which product is 
right for you:
1. Do you need an all-in-one solution that includes an internet merchant account and 
allows you to process credit cards online?
If you don’t have your own internet merchant or business bank account, PayPal can 
provide a total solution with its Website Payments Standard and Website Payments Pro 
solutions:
– Website Payments Pro: Website Payments Pro is an all-in-one payment solution that 
allows customers to shop and pay on your site. You can accept credit cards directly on 










