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
General Reference Information
CVV2 Response Codes
B
156 March 2008 PayPal Certified Developer Program Study Guide
CVV2 Response Codes
Table B.4 lists the CVV2 response codes for U.S. credit cards (Visa, MasterCard, Discover,
and American Express).
TABLE B.4 CVV2 Response Codes
CVV2 Code Meaning Matched Details
M Match CVV2
N No match None
P Not processed Not applicable
S Service not supported Not applicable
U Service not available Not applicable
X No response Not applicable