{"x402Version":2,"name":"x402 Endpoint Preflight","description":"Inspect any x402 endpoint's payment challenge before paying: price, asset, network, payTo, input schema, and MPP/Bazaar support. SSRF-hardened outbound fetch.","version":"0.1.0","openapi":"https://preflight.openverbs.com/openapi.json","resources":[{"url":"https://preflight.openverbs.com/v1/inspect","method":"POST","description":"Fetch any URL and, without paying, decode its x402 402 Payment Required challenge: price (atomic and formatted for known stablecoins), asset, network, payTo, resource, description, timeout and any input schema. Flags MPP and Bazaar discovery extensions. Returns free:true when no payment is needed. SSRF-hardened: public hosts only; private, loopback, link-local and cloud-metadata addresses are rejected.","tags":["inspect x402 endpoint","x402 payment preflight","check payment challenge","bazaar endpoint discovery","mpp payment metadata","validate x402 resource"],"accepts":[{"scheme":"exact","network":"eip155:8453","price":"$0.006","payTo":"0xb3f4de103F34b99f0Da19B4F16D6B53a14C2194A","asset":"USDC"}]}]}