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 155
General Reference Information
AVS Response Codes
B
AVS Response Codes
Table B.3 lists the AVS response codes for U.S. credit cards (Visa, MasterCard, Discover, and
American Express).
TABLE B.3 AVS Response Codes
AVS Code Meaning Matched Details
A Address Address only (no ZIP)
B International “A” Address only (no ZIP)
C International “N” None
N OTE: The transaction is declined.
D International “X” Address and Postal Code
E Not allowed for MOTO
(internet/phone) transactions
Not applicable
N OTE: The transaction is declined.
F UK-specific “X” Address and postal code
G Global Unavailable Not applicable
I International Unavailable Not applicable
N No None
N OTE: The transaction is declined.
P Postal (International “Z”) Postal code only (no address)
R Retry Not applicable
S Service not supported Not applicable
U Unavailable Not applicable
W Whole ZIP Nine-digit ZIP code (no address)
X Exact match Address and nine-digit ZIP code
Y Yes Address and five-digit ZIP code
Z Zip Five-digit ZIP code (no address)
All others Error Not applicable