Secure Use of the Agent Payments Protocol (AP2): A Framework for Trustworthy AI-Driven Transactions
Written by Ken Huang, CEO at DistributedApps.ai and Jerry Huang, Engineering Fellow, Kleiner Perkins. Abstract AI agents used in e-commerce necessitates secure payment protocols capable of handling high-determinism user authorization, agent authentication, and non-repudiable accountability. The Agent Payments Protocol (AP2) [1], an open extension to Agent2Agent (A2A) [2] and Model Context Protocol (MCP) [3], introduces Verifiable Credentials (VCs) in the form of crypto