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

Standard Payment Processing
- Basic Authorizations
- Authorizations with Line Items
- Authorizations with Payment Network Tokens
- Zero Amount Authorizations
- Pre-Authorizations
- Authorization Reversals
- Timeout Authorization Reversals
- Sales
- Captures
- Refunds
- Voids
- Timeout Voids for a Capture, Sale, Refund, or Credit

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
- Mastercard Identity Check
- Visa Secure

Relaxed Requirements for Address Data and Expiration Date in Payment Transactions
- Requirements
- Services
- Relaxed Fields

Processing Payments Using Credentials
- Additional Resources for Credentialed Transactions
- Customer-Initiated Transactions with Credentials on File
- Delayed Transaction
- No-Show Transactions
- Reauthorization Transaction
- Resubmission Transaction
- Installment Payments
- Recurring Payments
- Mastercard Standing Order Payments
- Mastercard Subscription Payments
- Unscheduled COF Payments

Token Management Service Processing
- Additional Resources for TMS
- Authorizing a Payment with a Customer Token
- Authorizing a Payment with a Non-Default Shipping Address
- Authorizing a Payment with a Non-Default Payment Instrument
- Authorizing a Payment with a Payment Instrument
- Authorize a Payment with an Instrument Identifier
- Authorize a Payment While Ignoring Network Token
- Authorizing a Payment with a Legacy Token
- Making a Credit with a Customer Token
- Making a Credit with a Non-Default Payment Instrument
- Making a Credit with a Payment Instrument
- Making a Credit with an Instrument Identifier
- Making a Credit with a Legacy Token

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

processorInformation.cardVerification.resultCode

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.