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
PayPal Certified Developer Program Study Guide March 2008 51
API Credentials
Review Questions
4
IMPORTANT: In the final implementation, protect the values for USER, PWD, and
SIGNATURE. The values should be stored in a secure location, with file
permissions set so that only the system user who executes the web
application can access it.
N OTE: To find the latest version number, go to www.paypal.com/IntegrationCenter.
Review Questions
Answers to review questions are in Appendix A, “Answers to Review Questions.”
1. True or false: API credentials must be included with only the first request sent to the
PayPal server during each session.
2. True or false: The API username is separate from the email address used to access PayPal.