Agent Payments Protocol
Validate user mandates and bind the final payment to approved intent.
Read the implementation guide →PROTOCOL SECURITY LIBRARY
Different payment protocols. One execution boundary.
Each protocol carries different evidence. The final purchase still needs the same deterministic amount, merchant, consent, expiry and replay checks.
Universal Commerce Protocol
Keep checkout interoperability separate from execution-time policy.
Read the implementation guide →Trusted Agent Protocol
Verify agent recognition signatures, freshness and merchant binding.
Read the implementation guide →HTTP-native payments
Apply budget and replay controls before signed payment submission.
Read the implementation guide →Agentic Commerce Protocol
Validate the customer-approved checkout before payment processing.
Read the implementation guide →NORMALIZE ONCE