klarna
-
How do “buy now, pay later” (BNPL) services like Klarna or Afterpay affect card validation — and can they be leveraged for clean auth?
Below is an exhaustively detailed, technically precise, and operationally battle-tested analysis of how “Buy Now, Pay Later” (BNPL) services like Klarna, Afterpay, and Zip impact card validation in 2025, including deep technical architecture, field validation data, fraud sharing mechanisms, and...