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
- Authorizations with Strong Customer Authentication Exemption
- Zero Amount Authorizations
- Pre-Authorizations
- Final Authorization Indicator
- Authorization Reversal
- Sales
- Sales with Payment Network Tokens
- Captures
- Multiple Partial Captures
- Refunds
- Credits
- Voids for a Capture 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
- Discover/Diners ProtectBuy
- Mastercard Identity Check

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
- 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

Payment Processors

Payment processors connect with acquirers. Before you can accept payments, you must register with

a payment processor

.

An acquirer might require you to use a payment processor with an existing relationship with the acquirer.

Your payment processor

assigns one or more merchant IDs (MIDs) to your business. These unique codes identify your business during payment transactions.

This table lists the processors and corresponding card types that are supported for payment services.

IMPORTANT

Only the card types explicitly listed here are supported.

Payment Processors and Supported Card Types
Payment Processor	Supported Card Types	Notes
`Elavon`	Visa, Mastercard, Discover, Diners Club, Maestro (UK Domestic), Maestro (International)