Card Purchase Authorization

The process of verifying and approving a credit or debit card transaction at the point of sale

Card Purchase Authorization is the real-time process of validating and approving a card transaction by checking various parameters including available funds, card status, and security measures before completing the purchase.

Key Components

  • Fund verification
  • Card validation
  • Risk assessment
  • Security checks
  • Merchant verification

Authorization Steps

  • Card data capture
  • Account verification
  • Balance check
  • Fraud screening
  • Approval decision

Security Measures

  • CVV validation
  • Address verification
  • 3D Secure
  • Fraud detection
  • Risk scoring

Response Types

  • Approved
  • Declined
  • Refer to issuer
  • System error
  • Hold for review

Processing Elements

  • Transaction amount
  • Merchant details
  • Card information
  • Time stamps
  • Location data

Best Practices

  • Real-time processing
  • Secure transmission
  • Error handling
  • Response management
  • Transaction logging

Card purchase authorization helps ensure secure and valid transactions.