{"uid":"cap_2VlhWWNZKhzw71sTymm_y","slug":"chainverdict-pulse-x402-endpoint-rankings-5e464ca2","name":"ChainVerdict Pulse – x402 Endpoint Rankings","description":"x402 endpoint quality rankings: a ranked directory of x402 APIs by measured uptime and reliability rather than on-chain volume. Includes score, grade, latency and pricing per endpoint.","url":"https://pulse.chainverdict.xyz/v1/rankings","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"kind":{"enum":["x402","free","error"],"type":"string"},"limit":{"type":"integer"}}},"responseSchema":{"type":"object","properties":{"count":{"type":"number"},"rankings":{"type":"array","items":{"type":"object","properties":{"url":{"type":"string"},"grade":{"type":"string"},"score":{"type":"number"}}}},"generatedAt":{"type":"number"}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.07","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.07/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.07","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.07","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_YY0PG1WpK05XLCRoFIAM2","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.07","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns a ranked directory of x402 endpoints sorted by measured live quality scores, including grade, latency, and pricing per endpoint.","exampleAgentPrompt":"Pull up the current ChainVerdict Pulse rankings for x402 endpoints — I want to see which ones have the best quality scores, grades, and latency right now so I can decide which to integrate.","exampleUseCases":[{"title":"Selecting best x402 API for integration","prompt":"I'm building a service that calls x402 endpoints and want to pick the most reliable one — can you fetch the current ChainVerdict Pulse rankings and tell me which endpoints have the highest quality grades and lowest latency?"},{"title":"Cost-performance comparison for x402 routing","prompt":"I need to balance cost and quality for my x402 traffic — pull the latest Pulse rankings so I can see each endpoint's score, grade, and price per call side by side."},{"title":"Monitoring x402 ecosystem health","prompt":"Give me a snapshot of how the x402 endpoint ecosystem looks today — fetch the ChainVerdict Pulse leaderboard and summarize which endpoints are top-ranked, which have slipped, and what the general quality distribution looks like."}],"resultDescription":"A ranked list of x402 endpoints with their quality score (numeric), grade (letter or tier), measured latency percentiles, and pricing per call — ordered from highest to lowest measured live quality.","failureModes":["Payment not provided or insufficient USDC (402 Payment Required)","Endpoint temporarily unavailable or probe data stale","Empty result set if no endpoints are currently tracked","Rate limiting if called too frequently","Network timeout if upstream probe aggregation is slow"],"whenToPreferThis":"Choose this endpoint when you need a curated, quality-ranked view of the x402 endpoint ecosystem based on live measured performance rather than on-chain volume or self-reported metrics. It is the best choice for agent routing decisions, integration selection, or ecosystem health monitoring where objective, freshly measured quality data matters.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T12:38:21.954Z","isFirstParty":false}