{"$schema":"https://x402-trust.com/schemas/leaderboard.schema.json","schemaVersion":"1.0.0","schemaType":"leaderboard","generatedAt":1789416252639,"dataCompleteSince":1746780801000,"methodology":"score = 0.45*technical-reliability + 0.30*spec-compliance + 0.25*economic-reputation, where technical-reliability = 0.45*uptime + 0.40*observed-age + 0.15*latency (effective latency weight ≈6.75% of the final score), spec-compliance blends 402-envelope validity with x402-version support, and economic-reputation blends on-chain settlement activity, price-stability and payer-diversity; full per-endpoint breakdown via paid POST /v1/x402-trust. Latency is measured from a single EU vantage point; includes network round-trip distance to the endpoint, so it is deliberately low-weighted. Templated (per-item) endpoints — whose URL carries an unresolved {param}/:param placeholder — are recognised as such: their per-item price and payTo variance is treated as dynamic-in-range (surfaced as a price range + distinct-wallet set), NOT as instability or a hijack, so they are neither price-penalised nor force-avoided for it. The leaderboard ranks individual endpoints by reliability at FULL probe density; settlement activity (which resolves only to the payTo wallet, not a URL path) is part of the score but not shown per-row here to avoid implying path-level volume.","coverage":{"endpointsTracked":137878,"endpointsCurrentlyListed":98456,"note":"endpointsTracked = every x402 endpoint we've ever discovered; endpointsCurrentlyListed = those still present in upstream discovery (not delisted). If your endpoint is publicly listed, it enters this set on the next discovery sync."},"top":[{"resource":"https://x402.slinkylayer.ai/api/v1/proxy/2cbf19e9-c878-45ae-a901-3dcada443fd3/chat-completions-flux-2-klein","score":92.1,"grade":"A","confidence":0.9999999999999999,"probes30d":636},{"resource":"https://x402.slinkylayer.ai/api/v1/proxy/434a0c1d-3755-42c8-aec9-95b7dcef2f4c/chat-completions","score":92,"grade":"A","confidence":0.9999999999999999,"probes30d":637},{"resource":"https://x402.slinkylayer.ai/api/v1/proxy/db1d2d77-6f2a-4a31-87c1-1d587d446dec/chat-completions-image","score":91.9,"grade":"A","confidence":0.9999999999999999,"probes30d":637},{"resource":"https://x402.slinkylayer.ai/api/v1/proxy/ece775b6-6788-4a99-a68e-97d1ca7e811a/chat-completions-nemotron-30b","score":91.9,"grade":"A","confidence":0.9999999999999999,"probes30d":635},{"resource":"https://x402.slinkylayer.ai/api/v1/proxy/0c6dff19-f642-4509-bbb6-2893cdeffcb4/chat-completions-lfm-2-5-thinking","score":91.7,"grade":"A","confidence":0.9999999999999999,"probes30d":637},{"resource":"https://x402.slinkylayer.ai/api/v1/proxy/fe71d056-7d94-4b74-ae8e-047e0bae87e2/chat-completions-gpt-audio-mini","score":91.7,"grade":"A","confidence":0.9999999999999999,"probes30d":637},{"resource":"https://x402.slinkylayer.ai/api/v1/proxy/a7ed5682-2356-4933-9cd0-a7b4a598f81b/chat-completions-image-text","score":91.7,"grade":"A","confidence":0.9999999999999999,"probes30d":635},{"resource":"https://x402.slinkylayer.ai/api/v1/proxy/85c1c23d-9115-43b6-bb32-c5a9b0578e96/smart_money","score":89.7,"grade":"A","confidence":0.9999999999999999,"probes30d":625},{"resource":"https://x402.slinkylayer.ai/api/v1/proxy/3e63da3d-0db6-4744-a05d-d6568f001ece/market_trades","score":89.7,"grade":"A","confidence":0.9999999999999999,"probes30d":625},{"resource":"https://x402.slinkylayer.ai/api/v1/proxy/a21bf82e-3e41-4cc3-b043-081ecb49086b/polymarket_markets","score":89.7,"grade":"A","confidence":0.9999999999999999,"probes30d":625},{"resource":"https://x402.slinkylayer.ai/api/v1/proxy/3f2ad2d1-f6a4-4059-833e-70daf43305b3/market_candles","score":89.6,"grade":"A","confidence":0.9999999999999999,"probes30d":625},{"resource":"https://x402.slinkylayer.ai/api/v1/proxy/91d6be48-1969-4a65-a2bd-80f4baf68628/research_run","score":89.5,"grade":"A","confidence":0.9999999999999999,"probes30d":625},{"resource":"https://x402.slinkylayer.ai/api/v1/proxy/1b27c320-b9e8-48f1-9941-16917abbb19f/markets_search","score":89.4,"grade":"A","confidence":0.9999999999999999,"probes30d":625},{"resource":"https://x402.slinkylayer.ai/api/v1/proxy/7d9cc575-616e-46f3-8f27-c96f21517ce6/market_price","score":89.4,"grade":"A","confidence":0.9999999999999999,"probes30d":625},{"resource":"https://x402.slinkylayer.ai/api/v1/proxy/dcd8448e-3490-4653-8f24-7a6db74e6ec5/web_answer","score":89.4,"grade":"A","confidence":0.9999999999999999,"probes30d":625},{"resource":"https://x402.slinkylayer.ai/api/v1/proxy/7ef83efe-de6e-4bcd-8d4e-15e19b64b678/top_holders","score":89.4,"grade":"A","confidence":0.9999999999999999,"probes30d":625},{"resource":"https://x402.slinkylayer.ai/api/v1/proxy/5818f5f2-b809-4ced-9158-b178c3365235/web_search","score":89.3,"grade":"A","confidence":0.9999999999999999,"probes30d":625},{"resource":"https://x402.slinkylayer.ai/api/v1/proxy/72b0807b-b1ad-42ac-a137-370963c9ba91/parallel_extract","score":89.3,"grade":"A","confidence":0.9999999999999999,"probes30d":625},{"resource":"https://x402.slinkylayer.ai/api/v1/proxy/960b9c07-d285-4cff-9a00-4c67cd32a3a0/web_contents","score":89.2,"grade":"A","confidence":0.9999999999999999,"probes30d":625},{"resource":"https://x402.slinkylayer.ai/api/v1/proxy/cf78698a-ebea-4f7c-8983-8a0b8102f48e/parallel_search","score":88.8,"grade":"A","confidence":0.9999999999999999,"probes30d":625},{"resource":"https://api.bitrefill.com/x402/invoice/pay","score":88,"grade":"A","confidence":0.9999999999999999,"probes30d":630},{"resource":"https://api.bitrefill.com/x402/invoice/create","score":87.8,"grade":"A","confidence":0.9999999999999999,"probes30d":636},{"resource":"https://global-econ-x402-production.up.railway.app/ie/company/368047","score":87.7,"grade":"A","confidence":0.9999999999999999,"probes30d":518},{"resource":"https://api.bitrefill.com/x402/topups/search","score":87.7,"grade":"A","confidence":0.9999999999999999,"probes30d":635},{"resource":"https://api.bitrefill.com/x402/esims/search","score":87.7,"grade":"A","confidence":0.9999999999999999,"probes30d":635}],"signature":{"alg":"Ed25519","canon":"RFC8785","hash":"SHA-256","keyId":"x402trust-2026-09","digest":"1b3421e9e6f092c57603c5d1d78477e92981c13e7266d38e259b05fb6363924b","value":"K5XQkUZ9fd6VZ2d_NZ1S77HanzDZxtHroDkrihaEs-Gohv11ZBlgd3PV-ha0_U-reJWRHtmyRnSa8Yd0mwTaCQ","publicKeys":"https://x402-trust.com/.well-known/x402-trust-keys.json"}}