AP2 Mandate Decoder
Decode Agent Payments Protocol (AP2) Intent, Cart, and Payment mandates — the signed verifiable credentials behind agent-initiated purchases — with field-by-field explanations and structural checks.
Follows Agent Payments Protocol (AP2)v0.2 mandate schema·verified Aug 2026— v1.0 (Apr 2026) keeps the same mandate structure — re-verify field names against the published schema
AP2 (Google + 60 partners; v0.2 donated to the FIDO Alliance, April 2026) is the trust and authorization layer — cryptographically signed mandates proving a human authorised an agent's purchase. ACP (OpenAI/Stripe) is the checkout layer — the agent↔merchant handshake. x402 is a settlement rail AP2 can use via its crypto extension — decode those headers with the x402 Header Decoder or step through the flow in the x402 Flow Simulator. Background: x402 & agentic payments guide.