Micropayment one-page preflight for agents: HTTP/SEO/security evidence with BUY/REVIEW/SKIP verdict before deeper due diligence.
Api EndpointSecurityHealthy · 1104 ms0.05 USDC0.05 USDC · eip155:8453 · USDC
https://ohd-machine-x402-v2.hibiki3027.workers.dev/api/preflight