{"name":"onyx_market_rank","tier":"metered","price_usdc":"0.05","endpoint":"https://onyx-actions.onrender.com/v1/onyx_market_rank","method":"POST","input_schema":{"type":"object","properties":{"target":{"type":"string","description":"URL of the service/agent to rate (e.g. https://example.com or its x402 base)."}},"required":["target"]},"description":"Signed, conflict-free rating of any agent/x402 service — 'Moody's for the agentic web'. Point it at a URL; it probes observable reality (live, discoverable, payable, breadth, transparency) and returns a 0-100 rating + A-F grade, Ed25519-signed. Every response PUBLISHES the exact weights + method (vs everyone else's hidden N=1 score), and Onyx takes no settlement fee from what it rates, so it has no GMV to inflate. Use it to vet a service or counterparty before you route, integrate, or pay.","when_to_use":"Before you route to, integrate, or pay an unfamiliar x402 service/agent — get a signed, transparently-weighted rating of its observable reality instead of trusting a self-reported leaderboard number.","vs_alternatives":"Volume leaderboards (x402scan/agent402) rank by self-payable on-chain volume (gameable) and platform scores are hidden + conflicted (the platform earns on what it rates). This publishes its weights, signs the verdict, and earns nothing from the rated party.","example_request":{"target":"https://onyx-actions.onrender.com"},"example_response":{"ok":true,"rating":88,"grade":"A","dimensions":{"live":10,"discoverable":10,"payable":9,"breadth":7,"transparency":8},"weights_published":{"live":20,"discoverable":20,"payable":25,"breadth":15,"transparency":20},"summary":"A (88/100): live=10 discoverable=10 payable=9 breadth=7 transparency=8 — 21 service(s)."},"settle_to":"0x3fD9ee1373562f894D322B37DFFAd7a5D2b2d78f","network":"base","facilitator":"https://facilitator.xpay.sh","payment_required":true,"free_introspection":true,"note":"GET this URL = free introspection card. POST with x402 payment header to call."}