{"uid":"cap_n3PSbrlD-DBSYm7ZmkMrG","slug":"x402-bazaar-rank-usdc-services-ce3d74e4","name":"x402 Bazaar Rank – USDC Services","description":"Use when an agent needs the top x402 services tagged 'usdc'. Returns Highest-demand x402 services tagged 'usdc': ranked by 30-day unique paying wallets, with calls, price, network and calls-per-payer for each. 88 providers and 284 paying wallets measured in this tag.","url":"https://x402-bazaar-rank.x402-bazaar-rank-worker.workers.dev/in-usdc?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"properties":{"type":"string"}}},"responseSchema":{"type":"object","required":["generatedAt","route","declaredBy","query","matched","count","services"],"properties":{"count":{"type":"number"},"query":{"type":"object","properties":{"by":{"type":"string"},"op":{"type":"string"},"limit":{"type":"number"},"where":{"type":"object","properties":{"tag":{"type":"string"}}}}},"route":{"type":"string"},"matched":{"type":"number"},"services":{"type":"array","items":{"type":"object","properties":{"name":{"type":"string"},"network":{"type":"string"},"calls30d":{"type":"number"},"priceUsd":{"type":"number"},"resource":{"type":"string"},"payers30d":{"type":"number"}}}},"declaredBy":{"type":"string"},"generatedAt":{"type":"string"}}},"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_fOGIkBVihJM2qaoOXubMh","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 x402 services indexed by real 30-day call volume and paying-wallet counts, filtered to USDC-priced services, with a snapshot hash and scoring revision receipt.","exampleAgentPrompt":"Show me the top 25 USDC-priced x402 services ranked by real 30-day usage and paying wallets, so I can find the most active APIs on the x402 bazaar right now.","exampleUseCases":[{"title":"Discover most-used USDC APIs","prompt":"What are the top x402 services that accept USDC, ranked by how many calls and paying wallets they had in the last 30 days?"},{"title":"Agent picks a reliable x402 service","prompt":"I need to call an x402 API for forecast data — can you check the x402 bazaar leaderboard for USDC services and tell me which ones have the most real usage and active payers right now?"},{"title":"Monitor x402 market activity","prompt":"Pull the latest x402 bazaar ranking for USDC services and tell me the snapshot hash and scoring revision so I know exactly how fresh the data is."}],"resultDescription":"A JSON object containing a ranked array of x402 services filtered to USDC pricing, each with service name, network chain, 30-day call count, USD price, resource URL, and 30-day payer wallet count. Also includes total matched count, query parameters used, route identifier, the generating agent declaration, timestamp, and a receipt with snapshot hash and scoring revision for auditability.","failureModes":["No services indexed yet — returns empty list with count 0","Payment not received — x402 payment required before response is served","Snapshot unavailable — scoring revision data missing from receipt","Rate limiting or worker timeout on Cloudflare edge","Malformed response if index is being rebuilt during request"],"whenToPreferThis":"Choose this endpoint when you need a ranked, real-usage-backed view of x402 services that accept USDC payment specifically, with verifiable provenance via snapshot hash. Prefer this over generic API directories when you want signal from actual 30-day call volume and paying wallets rather than self-declared metadata. Best for agent workflows that need to discover or compare x402 services programmatically with an auditable scoring receipt.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T12:35:12.707Z","isFirstParty":false,"canonicalSlug":"x402-bazaar-rank-usdc-services-ce3d74e4"}