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
- Authorizations with a Card Verification Number
- Authorizations with Strong Customer Authentication Exemption
- Zero Amount Authorizations
- Pre-Authorizations
- Final Authorization Indicator
- Authorization Reversals
- Sales
- Captures
- Multiple Partial Captures
- Follow-On Credits
- Stand-Alone Credits
- Voids

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

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

Customer Financial Institutions (Issuers)

A customer financial institution, also known as an issuer, provides payment cards to and underwrites lines of credit for their customers. The issuer provides monthly statements and collects payments. The issuer must follow the rules of the payment card companies to which they belong.