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
 
 
Getting Started With Account Setup
PayPal Sandbox
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44 March 2008 PayPal Certified Developer Program Study Guide
3. Enroll in the selected PayPal services.
A merchant must enroll for each service they plan to use. Once you have a merchant 
internet account, you can sign up for each service individually. To apply for Website 
Payments Pro, follow these steps:
– Go to: https://www.paypal.com/cgi-bin/webscr?cmd=_wp-pro-overview-outside
.
– At the bottom of the page, click Apply for Website Payments Pro.
– When prompted, sign in using your Email Address and PayPal Password.
– Complete the steps to enroll with Website Payments Pro. You will submit an application 
that includes business information and your social security number or employer 
identification number and accept the billing agreement.
4. Use the PayPal APIs to implement payment processing on the merchant website.
You should carefully design and plan each merchant website implementation and feature. 
Work with the website owner to define the application requirements and ensure that your 
application complies with PayPal standards. This guide describes PayPal standards as they 
apply to each component of a merchant application.
5. Customize your payment processing service with additional services.
Protect the business and customers from fraud:
– Fraud Protection Services. From simple automated credit card fraud screening to 
enterprise-grade perimeter security services, PayPal can save you time and money while 
protecting your business.
– Express Checkout. Provides your customers with a secure and convenient payment 
flow because they don’t have to re-enter information already stored in their PayPal 
account.
Accept repeat payments from customers:
– Recurring Billing Service. A fast, cost-effective way to accept repeat payments for 
installment plans, monthly fees, or subscription-based services.
Offer customers an alternative to credit card payments. Providing customers with a variety 
of payment choices, including credit cards and PayPal, has been shown in several industry 
studies to contribute to an increase in revenue.
For More Information. For additional PayPal product and pricing information, call 1-888-
847-2747, send an email to paymentsales@paypal.com
, or visit the PayPal Merchant Services 
section of the PayPal website at www.paypal.com
.
PayPal Sandbox
The PayPal Sandbox is a self-contained environment in which developers can prototype and 
test PayPal applications. Before moving any PayPal-based application into production, test the 
application in the Sandbox to ensure that it functions properly.
For details about the Sandbox, see Chapter 9, “Sandbox Testing”.










