{"uid":"cap_5bc6N0QrIIVjPkL6aX6gF","slug":"bazaar-demand-x402-bestsellers-leaderboard-7cc23820","name":"Bazaar Demand - x402 Bestsellers Leaderboard","description":"Top-selling x402 bazaar services by unique paying buyers in the last 30 days. Send {\"limit\":25}, optionally with {\"query\":\"weather\"} or {\"max_price_usd\":0.01}. Per listing: resource URL, host, price, networks, 30-day calls and unique payers, last call time, and description, plus a host leaderboard. Skips listings whose only payment is their own indexing call. From Coinbase discovery metrics, refreshed every 6 hours.","url":"https://audit.152-53-82-29.sslip.io/v1/bestsellers?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"limit":{"type":"integer","maximum":50,"minimum":1,"description":"Listings to return, default 25"},"query":{"type":"string","description":"Optional keyword filter; every word must match"},"max_price_usd":{"type":"number","description":"Optional price ceiling in USD"}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_xvQ-tIHBODx_chPn37ob6","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns the top-selling x402 bazaar API listings ranked by unique paying buyers in the last 30 days, with optional keyword and price filters.","exampleAgentPrompt":"Show me the top 10 best-selling x402 bazaar services related to 'weather' that cost no more than $0.01, ranked by unique paying buyers over the last 30 days.","exampleUseCases":[{"title":"Niche research before building an x402 service","prompt":"Before I build an x402 PDF-to-markdown API, can you check the bazaar demand data for 'pdf' and show me up to 25 listings — I want to know how many unique buyers similar services are getting and what they charge?"},{"title":"Budget-conscious discovery of popular x402 APIs","prompt":"Find me the top 20 x402 bazaar services under $0.005 each, ranked by how many unique people are actually paying for them — I want to invest only in APIs with proven demand."},{"title":"Competitive landscape scan for a specific x402 category","prompt":"What are the top-selling x402 image services on the bazaar right now? Show me up to 15 results so I can see which hosts are leading and what the going prices are."}],"resultDescription":"A ranked list of up to 50 x402 bazaar listings, each including the resource URL, host, price, supported networks, 30-day call count, 30-day unique payer count, last call timestamp, and service description. Also includes a host leaderboard summarizing which API providers are most active. Listings with only self-indexing calls are excluded to ensure genuine demand signals.","failureModes":["Invalid limit value (outside 1-50 range) returns a validation error","Keyword query with no matching listings returns an empty result set","max_price_usd too restrictive filters out all results, returning empty list","Data may be up to 6 hours stale since metrics refresh every 6 hours","$0.01 USDC payment required per call; insufficient funds or payment failure blocks access"],"whenToPreferThis":"Use this endpoint when you need real demand signal — actual paying buyers — for x402 bazaar services, rather than just listing counts or crawl rankings. Ideal for market research before building a new x402 API, for competitive analysis within a category, or for discovering which services have proven monetization. Prefer this over generic API directory searches when you specifically want x402/micropayment-native services with validated buyer activity.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T02:29:37.441Z","isFirstParty":false,"canonicalSlug":"bazaar-demand-x402-bestsellers-leaderboard-7cc23820"}