{"uid":"cap_oavaEAOhlui7iFNr4Oq0p","slug":"x402-ranker-9001d528","name":"x402-ranker","description":"Meta-ranking service for the x402 agent economy. Tells buyers which x402 service is currently the best pick for a given task category, scored by price, usage volume, and recency, pulled from the live Coinbase Bazaar discovery feed.","url":"https://x402-ranker.zaden-gaming.workers.dev/rank?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","required":["category"],"properties":{"category":{"type":"string","description":"Task category to rank services for. Call GET /categories first for the current live list (e.g. search, trading-intel, ai-gateway, data-enrichment, social, travel, security, games, crypto-chain-data)."}}},"responseSchema":{"type":"object","required":["category","results"],"properties":{"results":{"type":"array","items":{"type":"object","properties":{"score":{"type":"number"},"calls30d":{"type":"number"},"resource":{"type":"string"},"description":{"type":"string"},"lastCalledAt":{"type":"string"},"uniquePayers30d":{"type":"number"},"cheapestPriceUsd":{"type":"number"}}}},"category":{"type":"string"},"generatedAt":{"type":"string"}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.02","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":"$0.02/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_tmjesmwEtp2V44D-T7Ie4","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.02","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Ranks x402 API services for a given task category by score, price, usage volume, and recency drawn from the live Coinbase Bazaar discovery feed.","exampleAgentPrompt":"Which x402 service is currently the best pick for AI gateway tasks — factoring in price, usage volume, and how recently it was called?","exampleUseCases":[{"title":"Cheapest active search service","prompt":"I want to run a lot of search queries through x402 — which service is currently the best pick for the search category, considering price and recent usage?"},{"title":"Top trading intel provider","prompt":"Before my agent starts pulling market signals, can you check which x402 trading-intel service is ranked highest right now by usage and recency?"},{"title":"Picking a data enrichment vendor","prompt":"I need to enrich some records using an x402 service — can you rank the data-enrichment category and tell me which one scores best on price and call volume?"}],"resultDescription":"Returns a ranked array of x402 services for the requested category, each with a composite score, 30-day call count, unique payers, cheapest price in USD, the resource URL, a description, and the timestamp of the last call, plus the category name and when the ranking was generated.","failureModes":["Unknown or unsupported category string — should call GET /categories first to validate","Empty results array if no services exist for that category yet","Stale data if the Coinbase Bazaar feed has not been refreshed recently","Network or worker timeout if the upstream discovery feed is unavailable","Missing required 'category' field returns a validation error"],"whenToPreferThis":"Use this endpoint when an AI agent needs to dynamically select the best x402 micro-service for a task rather than hard-coding a provider. It is especially useful when cost, recency, and community usage volume matter for the decision, and when the landscape of available x402 services may change frequently.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-10T06:35:15.257Z","isFirstParty":false,"canonicalSlug":"x402-ranker-9001d528"}