{"uid":"cap_ZyIDwsogk8cpWju302Mlc","slug":"x402-bazaar-rank-pay-per-call-service-discovery-886418ba","name":"x402 Bazaar Rank – Pay-Per-Call Service Discovery","description":"Highest-demand x402 services tagged 'pay-per-call': ranked by 30-day unique paying wallets, with calls, price, network and calls-per-payer for each. 138 providers and 243 paying wallets measured in this tag.","url":"https://x402-bazaar-rank.x402-bazaar-rank-worker.workers.dev/in-pay-per-call?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"properties":{"type":"string"}}},"responseSchema":{"type":"json","example":{"count":25,"query":{"by":"payers","op":"top","limit":25,"where":{"tag":"pay-per-call"}},"route":"/in-pay-per-call","matched":359,"services":[{"name":"forecast api","network":"eip155:8453","calls30d":310,"priceUsd":0.01,"resource":"https://api.example.com/forecast","payers30d":42}],"declaredBy":"agent","generatedAt":"2026-09-17T12:00:00.000Z"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.008","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":"$0.008/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.008","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.008","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_0bxM2FDkdPnTAL6XNhuW_","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.008","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns a ranked list of pay-per-call x402 services sorted by real 30-day call volume and paying-wallet counts, with a verifiable snapshot receipt.","exampleAgentPrompt":"Show me the top 25 pay-per-call x402 services ranked by the most paying wallets over the last 30 days, with their prices and call counts.","exampleUseCases":[{"title":"Find trending paid APIs to integrate","prompt":"What are the top pay-per-call x402 APIs right now? I want to see which ones have the most real usage — show me call counts and how many unique wallets are paying for them."},{"title":"Validate market demand before building","prompt":"Before I build a new pay-per-call service on x402, can you pull the current leaderboard so I can see what's already popular and what price points are working?"},{"title":"Scout competitors in the x402 ecosystem","prompt":"I'm listing a forecast API on x402 — can you show me the ranked list of pay-per-call services so I can see what similar APIs are charging and how much traffic they're getting?"}],"resultDescription":"A JSON object containing a ranked array of up to N x402 pay-per-call services, each with name, network (e.g. eip155:8453), 30-day call count, price in USD, resource URL, and number of unique paying wallets over 30 days. Also includes query metadata (operator, limit, tag filter), total matched service count, the route used, who declared the data, and a generation timestamp with snapshot hash for verifiability.","failureModes":["Payment not included or invalid x402 payment header — returns 402 Payment Required","Snapshot index temporarily unavailable — returns 503 or empty result set","Invalid query parameters — returns 400 with schema validation error","Network congestion on Base causing payment settlement delay","Stale snapshot if index hasn't refreshed recently — generatedAt timestamp may lag"],"whenToPreferThis":"Choose this endpoint when you need objectively ranked, usage-verified discovery of pay-per-call x402 services — specifically when you want real 30-day call and payer-wallet signals rather than self-reported metadata. Prefer this over generic API directories when working within the x402 protocol ecosystem, when verifiability of rankings via snapshot hash matters, or when you need to assess market demand and pricing benchmarks for pay-per-call APIs on Base/EVM networks.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T04:34:39.786Z","isFirstParty":false,"canonicalSlug":"x402-bazaar-rank-pay-per-call-service-discovery-886418ba"}