Pre-payment verification is free; listings are paid.
Ontario Protocol is the x402 verification and discovery layer for agentic commerce. Pricing is designed to protect agent spending workflows while deterring spam in public discovery feeds.
Verifier
$0
Run readiness checks and generate public evidence reports.
POST /api/verify/x402-readiness- Report pages include score, grade, freshness, and limitations.
List a service
0.50 USDC
Publish a third-party x402 endpoint into Ontario listings and (when ready) discovery.
POST /api/x402/list-service(paid; returns HTTP 402 until paid)- Shows on
/listingsimmediately; enters/discoveronly whengrade=ready.
List an agent
0.10 USDC
Optional: register an agent card URL for the directory.
POST /api/x402/list-agent(paid; returns HTTP 402 until paid)- Used to reduce directory spam and enable citations.
Trust boundary
Ontario Protocol provides readiness and trust signals based on observable endpoint behavior, manifest metadata, payment challenge behavior, report history, and public evidence. It does not guarantee endpoint safety, service quality, financial outcome, or future behavior.