This white paper explores the API security requirements introduced in PCI DSS v4.0 and how organizations can strengthen payment data protection in an evolving threat landscape. As digital payment systems rely on thousands of APIs, attackers increasingly target API vulnerabilities to access cardholder data and compromise infrastructure. PCI DSS v4.0 emphasizes continuous security, flexible compliance approaches, stronger validation, and enhanced controls against modern threats such as API abuse. The report explains key API-related compliance considerations and how Akamai API Security can help organizations improve visibility, reduce risk, and maintain secure payment environments.

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