API Overview

Payments Developer Guide
- Recent Revisions to This Document

Introduction to Payments
- Financial Institutions and Payment Networks
- Card Types
- Transaction Types
- Payment Services
- Payment Features
- Testing the Payment Services

Standard Payment Processing
- Basic Authorizations
- Authorizations with Line Items
- Authorizations with Payment Network Tokens
- Authorizations with a Card Verification Number
- Pre-Authorizations
- Sales
- Captures
- Follow-On Credits
- Stand-Alone Credits

Debit and Prepaid Card Processing
- Additional Resources for Debit and Prepaid Payments
- Processing Debit and Prepaid Authorizations
- Enabling Debit and Prepaid Partial Authorizations
- Disabling Debit and Prepaid Partial Authorizations

Payer Authentication Processing
- Additional Resources for Payer Authentication
- Providing Payer Authentication Information for Authorization

Processing Payments Using Credentials
- Additional Resources for Credentialed Transactions
- Customer-Initiated Transactions with Credentials on File

Test American Express Card Verification

Before using CVN with American Express, it is strongly recommended that you follow these steps:

Contact customer support to have your account configured for CVN. Until you do this, you will receive a

1

in the

ccAuthReply_cvCode

response field.

Test your system in production using a small currency amount, such as one currency unit. Instead of using the test account numbers, use a real payment card account number, and send an incorrect CVN in the request for authorization. The card should be refused and the request declined.