• Release Notes
• Table of Contents
• Overview
  • Payment Application Data Security Standards
  • Connectivity
  • Protocol
  • Authentication
• Data Security
  • Encryption
  • Multi-Use Tokenization
    • Requesting a Token
    • Using a Token
    • Managing Tokens
• Getting Started
  • Add a Reference
  • Use the Interface
  • SoapUI Examples
  • Transaction Basics
    • Transaction Request Header Fields
    • Client Txn Id
    • Gateway Txn Id
    • Validating Response Codes
      • Gateway Response Codes and Reversals
    • Timeouts
    • Transaction Amounts
      • Estimated and Final Amounts
    • Transaction Currency
    • Specified Flags for Optional Elements
  • TestCredentials
  • API Key Activation
• Transactions
  • Credit Card Transactions
  • Debit Card Transactions
  • Cash Transactions
  • Check/ACH Transactions
  • EBT Transactions
  • Gift Card and Loyalty Transactions
  • Utility Transactions
  • Batch Transactions
  • Report Transactions
  • Internal Use Only Transactions
• Authorization Platform
  • Exchange
  • GNAP-UK
  • GSAP-NA
  • GSAP-AP
• Special Processing Rules
  • Address Verification Service (AVS)
    • Card Not Present Transactions
    • Card Present Transactions
  • Adjustments
  • Amount Indicator and Estimated Authorization
  • Auto-Substantiation
  • Batch Processing
    • Settlement
      • Auto-Close
      • Manual Batch Close
  • Card Data Manual Entry
  • CAVV Results Codes
  • Cash Advance
  • Check/ACH Transaction
  • Corporate Cards
    • Credit CPCEdit
    • Level II
    • Level III
  • Credential/Card on File
    • Services Supporting CoF Processing
    • Merchants Using Enterprise Tokenization Service (ETS)
    • In App or By Browser and CoF
  • Credit Return
  • Cross-Site and Cross-Device Processing
  • Duplicate Checking
    • Additional Criteria
    • Override Duplicate Checking
    • Portico Services Supporting Duplicate Checking
    • Duplicate Error Response
  • Dynamic Currency Conversion
  • Dynamic Merchant Category Code
  • Dynamic Transaction Descriptor
  • EMV
    • Service Tag Validation
    • EMV Conversation Flow
    • Services That Support EMV Tags
    • EMV Tags
      • EMV Request Tags
      • EMV Response Tags
    • EMV Parameter Data Download
    • ParameterDownload Service
      • PDL Request Definition
      • PDL Response Definition
        • PDL Response Table 10—Table Versions and Flags
        • PDL Response Tables 30-60
          • PDL Response Table 30—Terminal Data
          • PDL Response Table 40—Contact Card Data
          • PDL Response Table 50—Contactless Card Data
          • PDL Response Table 60—Public Key Data
        • PDL Response—Confirmation
  • Fingerprint Service
  • Gratuity
    • Mastercard Gratuity Rules
  • Industries
    • Retail
    • Restaurant
    • Lodging
    • Healthcare
    • Mail Order Telephone Order( MOTO)
    • eCommerce
      • 3D Secure and Wallet Payments
        • Secure3D
        • WalletData
      • Secure eCommerce Data Block (Deprecated)
        • In Application Payments
        • 3D Secure Authentication
  • Incremental Authorization
    • Rules
    • Managing Timeout Scenarios
    • Voids
  • Installment Payments
    • Asia Pacific
    • Mexico
  • Interac Processing
    • Transaction Security
    • Debit Transaction Responses
      • Approvals
      • Declines
    • Reversals
    • POSSequenceNbr
      • POSSequenceNbr Structure
      • Incrementing POSSequenceNbr
    • MessageAuthenticationCode
      • MAC Verification on Transaction Response
      • Resetting the MAC Value
        • MacKey
        • Key Exchange
    • Interac Device Keys
    • Interac PED Serial Number
    • Interac Pre-Authorization & Completion
  • Invoice Number
  • Optional POS Data
  • Partial Authorization
  • Payment Facilitators
    • Sub-Merchant Integrations
      • Sub-merchant Transaction Elements
    • Payment Facilitator Integrations
      • Payment Facilitator Transaction Elements
    • Transaction Set for Payment Facilitator Sub-Merchants
  • Personal Identification Number (PIN) Block
  • Quasi Cash
  • Store and Forward
  • Surcharge Eligibility Lookup
  • Swiped or Proximity Entry
  • Token Update History
  • Union Pay
  • Voice Authorization
• Appendices
  • Register the Client Library
  • Gateway Response Codes
  • Tokenization-Specific Response Codes
  • Issuer Response Codes
  • EMV PDL Status Codes
  • Gift Card Response Codes
  • Status Indicators
  • HMS Gift Card Certification
    • Certification Host Response Matrix
      • Amount Response Matrix
    • Certification Host Stored Value Accounts
• Glossary