{"uid":"cap_6VvXxHZdnJLQeGE-z6URD","slug":"x402-bazaar-rank-api-tag-discovery-33f66d9f","name":"x402 Bazaar Rank – API Tag Discovery","description":"An open index of the machine-to-machine (agent) economy. x402 routes: ranked discovery over the live x402 service market, every indexed service scored by real 30-day calls and paying-wallet bounds, with a receipt naming the snapshot hash and scoring revision. /economy routes, for Tempo MPP, Virtuals ACP, Olas, Masumi, ERC-8004 agent registries, Solana agent registries, Base agent contracts and MCP servers (Official MCP Registry): each protocol's published figures (agent or server counts, transactions or payment events; payers and USD volume only where the source publishes them: payers for x402 and Tempo MPP, USD volume for x402 and Virtuals ACP), each with its unit, window and source; units differ, so totals are not summed. L402 and per-service MPP listings are not covered.","url":"https://x402-bazaar-rank.x402-bazaar-rank-worker.workers.dev/in-api?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":"api"}},"route":"/in-api","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":"0.032","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":"$0.032/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.032","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.032","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_T4N4B8gA6tOASqIMpdfMS","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.032","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 live x402 services tagged 'api', scored by real 30-day call volume and unique paying-wallet counts, with a snapshot receipt.","exampleAgentPrompt":"Show me the top 25 x402 API services ranked by number of paying wallets over the last 30 days, so I can see which ones are getting real traction.","exampleUseCases":[{"title":"Discover highest-traffic x402 APIs","prompt":"What are the top 25 x402 API services right now, sorted by how many unique wallets paid for them in the last 30 days? I want to see which ones are actually getting used."},{"title":"Vetting an x402 API before integration","prompt":"Before I integrate an x402 API into my agent, can you pull the ranked list of API-tagged services to see if the one I'm eyeing shows up in the top tier by call volume?"},{"title":"Market research on x402 API ecosystem","prompt":"I'm doing research on the x402 micropayment API market — can you grab the current ranked snapshot of API services showing their 30-day calls, prices, and paying wallet counts?"}],"resultDescription":"A JSON object containing: total matched service count, query parameters echoed back, the route used (/in-api), a list of up to 25 services each with name, network ID, 30-day call count, price in USD, resource URL, and 30-day unique payers, plus metadata fields for who declared the data, the snapshot generation timestamp, and the scoring revision hash.","failureModes":["Payment not included or insufficient USDC — 402 Payment Required response","Upstream index unavailable — may return stale or empty result set","Malformed query parameters — returns error or empty services array","Snapshot hash mismatch — indicates index revision changed mid-request","Rate limiting on the worker — slow or dropped responses under high load"],"whenToPreferThis":"Choose this endpoint when you need a ranked, usage-verified view of x402 API services specifically (tagged 'api'), backed by real on-chain payment data rather than self-reported metrics. Prefer it over generic x402 discovery endpoints when the ranking signal (payers or call volume) is important for your decision, or when you need a tamper-evident snapshot receipt for audit purposes.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-23T01:45:35.943Z","isFirstParty":false,"canonicalSlug":"x402-bazaar-rank-api-tag-discovery-33f66d9f"}