Searching protocol for "cart mandate"
Securely bind user authorization to cart offers.
Build an AP2 Merchant Agent
Secure AP2 transactions with verifiable signatures.
Securely confirm AP2 transactions with users.
Integrate AP2 payments into A2A.
Orchestrate AP2 Shopping Agent transactions.
Secure AP2 VDC framework
Frictionless checkout, higher conversions.
Ensure critical flows pass.
Write tests first, watch them fail, then code to pass.