API Overview

Payments Developer Guide
- Recent Revisions to This Document

Introduction to Payments
- Financial Institutions and Payment Networks
  - Merchant Financial Institutions (Acquirers)
  - Customer Financial Institutions (Issuers)
  - Payment Networks
  - Payment Processors
- Card Types
  - Credit Cards
  - Debit Cards
- Transaction Types
  - Card-Not-Present Transactions
  - Authorizations with Card Verification Numbers
    - CVN Locations and Terminology
  - Token Management Service
- Payment Services
  - Authorizations
    - Micropayment Authorizations
    - Online Authorizations
    - Offline Authorizations
    - Incremental Authorizations
      - Scenario for the Incremental Authorization Service
    - Pre-Authorizations
    - Payment Network Token Authorizations
    - Authorization Workflow
  - Sales
    - Dual-Message Processing
      - Partial Authorizations
    - Single-Message Processing
  - Authorization Reversals
  - Captures
    - Capture Workflow
  - Credits
    - Credit Workflow
  - Voids
- Payment Features
  - Debit and Prepaid Card Payments
  - Payer Authentication
  - Relaxed Requirements for Address Data and Expiration Date in Payment Transactions
  - Introduction to Credentialed Transactions

Standard Payment Processing
- Basic Authorizations
  - Declined Authorizations
  - Required Fields for Processing a Basic Authorization
  - Simple Order Example: Processing a Basic Authorization
- Authorizations with Line Items
  - Optional Line Item Fields
  - Required Fields for Processing an Authorization with Line Items
  - Simple Order Example: Processing an Authorization with Line Items
- Authorizations with Payment Network Tokens
  - Required Fields for Authorizations with Payment Network Tokens
  - Optional Fields for Authorizations with Payment Network Tokens
  - Simple Order API Example: Authorizations with Payment Network Tokens
- Authorizations with a Card Verification Number
  - Required Fields for Processing an Authorization with a Card Verification Number
  - Optional Fields for Processing an Authorization with a Card Verification Number
  - Simple Order Example: Processing an Authorization with a Card Verification Number
- Zero Amount Authorizations
  - Required Fields for Processing a Zero Amount Authorization
  - Simple Order Example: Processing a Zero Amount Authorization
- Pre-Authorizations
  - Required Fields for Processing a Pre-Authorization
  - Simple Order Example: Processing a Pre-Authorization
- Final Authorization Indicator
  - Requirements for Final Authorizations
  - Pre-Authorizations
  - Unmarked Authorizations
    - Requirements for Unmarked Authorizations
  - Undefined Authorizations
    - Requirements for Undefined Authorizations
  - Required Fields for Final Authorizations
  - Simple Order Example: Final Authorizations
- Authorization Reversals
  - Required Fields for Processing an Authorization Reversal
  - Simple Order Example: Processing an Authorization Reversal
- Timeout Authorization Reversals
  - Required Fields for Processing a Timeout Authorization Reversal
  - Simple Order Example: Processing a Merchant-Initiated Authorization Reversal
- Sales
  - Required Fields for Processing a Sale
  - Simple Order Example: Processing a Sale
- Captures
  - Required Fields for Capturing an Authorization
  - Simple Order Example: Capturing an Authorization
- Multiple Partial Captures
  - Required Fields for Processing Multiple Partial Captures
  - Simple Order Example: Processing Multiple Partial Captures
- Forced Captures
  - Required Fields for Forced Captures
  - Simple Order Example: Forced Captures
- Follow-On Credits
  - Required Fields for Processing a Follow-On Credit
  - Simple Order Example: Processing a Follow-On Credit
- Stand-Alone Credits
  - Required Fields for Processing a Stand-Alone Credit
  - Simple Order Example: Processing a Stand-Alone Credit
- Voids
  - Required Fields for Processing a Void
  - Simple Order API Example: Processing a Void
- Timeout Voids for a Capture, Sale, Follow-On Credit, or Stand-Alone Credit
  - Required Fields for Processing a Timeout Void for a Capture, Sale, Follow-On Credit, or Stand-Alone Credit
  - Simple Order Example: Processing a Timeout Void for a Capture, Sale, Follow-on Credit, or Stand-Alone Credit

Debit and Prepaid Card Processing
- Processing Debit and Prepaid Authorizations
  - Required Fields for Processing Debit and Prepaid Authorizations
  - Optional Field for Processing Debit and Prepaid Authorizations
  - Simple Order Example: Processing Debit and Prepaid Authorizations
- Enabling Debit and Prepaid Partial Authorizations
  - Required Fields for Enabling Debit and Prepaid Partial Authorizations
  - Optional Field for Enabling Debit and Prepaid Partial Authorizations
  - Simple Order Example: Enabling Debit and Prepaid Partial Authorizations
- Disabling Debit and Prepaid Partial Authorizations
  - Required Field for Disabling Debit and Prepaid Partial Authorizations
  - Optional Field for Disabling Debit and Prepaid Partial Authorizations
  - Simple Order Example: Disabling Debit and Prepaid Partial Authorizations

Payer Authentication Processing
- Providing Payer Authentication Information for Authorization
- American Express SafeKey
  - Required Fields for Processing an Authorization Using American Express SafeKey
  - Optional Field for Processing an Authorization Using American Express SafeKey
  - Simple Order Example: Processing an Authorization Using American Express SafeKey
- JCB J/Secure
  - Required Fields for Processing an Authorization Using JCB J/Secure Authentication
  - Simple Order Example: Processing an Authorization Using JCB J/Secure Authentication
- Mastercard Identity Check
  - Required Fields for Processing an Authorization Using Mastercard Identity Check
  - Simple Order Example: Processing an Authorization Using Mastercard Identity Check
- Visa Secure
  - Required Fields for Processing an Authorization Using Visa Secure
  - Simple Order Example: Processing an Authorization Using Visa Secure

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

Split Shipments Processing
- Authorizing a Sale for a Product Not Yet Available
- Processing Two Authorizations and a Capture for Multiple Products
- Processing an Authorization and Two Captures for Multiple Products

Processing Payments Using Credentials
- Customer-Initiated Transactions with Credentials on File
  - Storing Customer Credentials with a CIT and PAN
    - Required Fields for Storing Customer Credentials During a CIT
    - Simple Order Example: Storing Customer Credentials During a CIT
  - Using Stored Customer Credentials During a CIT
    - Required Fields for Retrieving Customer Credentials During a Customer-Initiated Transaction
      - Card-Specific Required Field for Retrieving Customer Credentials During a CIT
    - Simple Order Example: Retrieving Customer Credentials During a CIT
- Delayed Transaction
  - Merchant-Initiated Delayed Transaction with PAN
    - Required Fields for Processing a Merchant-Initiated Delayed Transaction
      - Card-Specific Required Field for Processing a Merchant-Initiated Transactions
    - Simple Order Example: Processing a Merchant-Initiated Delayed Authorization Transaction
- No-Show Transactions
  - Merchant-Initiated No-Show Transactions with PAN
    - Required Fields for Processing Merchant-Initiated No-Show Charges
      - Card-Specific Required Field for Processing a Merchant-Initiated Transactions
    - Optional Field for Processing Merchant-Initiated No-Show Charges
    - Simple Order Example: Processing Merchant-Initiated No-Show Transactions
- Reauthorization Transaction
  - Merchant-Initiated Reauthorization Transactions with PAN
    - Required Fields for Processing Merchant-Initiated Reauthorized Transactions
      - Card-Specific Required Field for Processing a Merchant-Initiated Transactions
    - Simple Order Example: Processing a Merchant-Initiated Reauthorized Transaction
- Resubmission Transaction
  - Merchant-Initiated Resubmission Transaction with PAN
    - Required Fields for Processing a Merchant-Initiated Resubmitted Transaction
      - Card-Specific Required Field for Processing a Merchant-Initiated Transactions
    - Simple Order Example: Processing a Merchant-Initiated Resubmitted Transaction
- Recurring Payments
  - Customer-Initiated Recurring Payment with PAN
    - Required Fields for Authorizing a Customer-Initiated Recurring Payment with PAN Using Simple Order API
    - Simple Order Example: Authorizing a Customer-Initiated Recurring Payment with a PAN
  - Merchant-Initiated Recurring Payments with PAN
    - Required Fields for Authorizing a Merchant-Initiated Recurring Payment
      - Card-Specific Required Fields for Authorizing Subsequent Recurring Payments
    - Simple Order Example: Authorizing a Merchant-Initiated Recurring Payment
- Mastercard Standing Order Payments
  - Mastercard Initial CIT Standing Order Payment
    - Required Fields for Authorizing Initial CIT Standing Order Payments
    - Simple Order Example: Authorizing Initial CIT Standing Order Payments
- Mastercard Subscription Payments
  - Mastercard CIT Initial Subscription Payment
    - Required Fields for Authorizing CIT Initial Subscription Payments
    - Simple Order Example: Authorizing Initial CIT Subscription Payments
- Unscheduled COF Payments
  - Customer-Initiated Unscheduled COF Payment with PAN
    - Required Fields for Authorizing Initial CIT Unscheduled COF Payments
    - Simple Order Example: Authorizing Initial CIT Unscheduled COF Payments
  - Merchant-Initiated Unscheduled COF Payments with PAN
    - Required Fields for Authorizing Subsequent MIT Unscheduled COF Payments
      - Card-Specific Required Field for Processing a Merchant-Initiated Transactions
    - Simple Order Example: Authorizing Subsequent MIT Unscheduled COF Payments

On This Page

Requirements for Unmarked Authorizations

For an unmarked authorization:

The authorization amount must be greater than zero.

The authorization amount can be different from the final transaction amount.

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