#AP2

'A clear comparison of six agent-native rails showing how MCP, A2A, AP2, ACP, x402, and Kite work together to enable secure tools, agent communication, payment authorization, and settlement.'

'Google's Agent Payments Protocol (AP2) lets AI agents negotiate and execute purchases using cryptographic mandates, raising convenience and security questions.'

AP2 is an open specification from Google that uses verifiable credentials and mandate objects to create an auditable, interoperable trail for AI-agent-initiated payments.