{"id":"d6f8798c-7c61-4735-981c-e7a8a23f260a","shortId":"y9N36L","kind":"x402","title":"Aggregate stats for a specific x402 merchant address — volume, tx count, unique buyers.","tagline":"Aggregate stats for a specific x402 merchant address — volume, tx count, unique buyers.","description":"This endpoint returns aggregate statistics for a specific merchant (payment recipient) in the x402 protocol ecosystem. Given a merchant wallet address, it returns metrics such as transaction count, total volume, and unique buyer count. The data can be filtered by chain (Base or Solana) and by timeframe (1, 7, 14, or 30 days lookback).\n\nThe endpoint is part of x402scan, a payment data explorer and analytics dashboard for the x402 protocol, built by Merit Systems. x402scan indexes USDC transfers made via x402 micropayments across Base and Solana chains, tracking merchants, buyers, facilitators, and resources. All data query endpoints are themselves gated behind x402 micropayments.\n\nThis specific endpoint costs $0.01 per call, paid via the x402 protocol. Note that during probing the endpoint returned 404 rather than the expected 402 challenge — this may be because the URL path in the Bazaar listing uses a legacy `/api/data/merchants/` prefix while the OpenAPI spec documents the path as `/api/x402/merchants/{address}/stats`. The canonical path from the OpenAPI spec should be used instead.","tags":[],"capabilities":["merchant-stats","x402-analytics","usdc-transfer-tracking","chain-filtering","timeframe-filtering","aggregate-metrics"],"categories":["analytics","blockchain","payments"],"synonyms":["x402 merchant statistics","payment recipient analytics","USDC transfer stats","x402 seller metrics","merchant volume lookup","x402scan merchant data","blockchain payment analytics"],"warnings":["Probe returned 404 on both GET and POST — the Bazaar-listed URL uses /api/data/merchants/ but the OpenAPI spec documents /api/x402/merchants/{address}/stats. The canonical path may differ from the registered one.","No response schema is documented in the OpenAPI spec; response structure must be inferred.","No dedicated documentation pages found (/docs, /api, /pricing all return 404)."],"endpointUrl":"https://www.x402scan.com/api/data/merchants/0x4D37f28D2db99e8d35A6C725a5f1749A085850a3/stats","protocol":"x402","transport":"http","auth":{"type":"x402","details":[{"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","extra":{"name":"USD Coin","version":"2"},"payTo":"0x2EC4545f96A24876764bF2B04D54E66A1351bE71","amount":"10000","scheme":"exact","network":"eip155:8453","maxTimeoutSeconds":300}]},"qualityScore":"0.550","qualityRationale":"Full OpenAPI schema with clear parameter definitions and pricing ($0.01/call). However, the probed endpoint URL returned 404 instead of 402, suggesting the Bazaar-listed path (/api/data/merchants/...) differs from the canonical OpenAPI path (/api/x402/merchants/.../stats). No response schema or example responses are documented. No dedicated docs page 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'/api/x402/merchants':181 '/stats':183 '0.01':135 '1':74 '14':76 '30':78 '402':155 '404':150 '7':75 'USDC transfer stats' 'across':110 'address':8,21,47,182 'aggreg':1,14,30 'aggregate-metrics' 'analyt':92 'base':68,111 'bazaar':166 'behind':128 'blockchain payment analytics' 'built':98 'buyer':13,26,59,117 'call':137 'canon':185 'chain':67,114 'chain-filtering' 'challeng':156 'cost':134 'count':11,24,54,60 'dashboard':93 'data':62,89,122 'day':79 'document':177 'ecosystem':42 'endpoint':28,82,124,133,148 'expect':154 'explor':90 'facilit':118 'filter':65 'gate':127 'given':43 'index':103 'instead':194 'legaci':170 'list':167 'lookback':80 'made':106 'may':158 'merchant':7,20,35,45,116 'merchant volume lookup' 'merchant-stats' 'merit':100 'metric':50 'micropay':109,130 'note':143 'openapi':175,189 'paid':138 'part':84 'path':163,179,186 'payment':36,88 'payment recipient analytics' 'per':136 'prefix':172 'probe':146 'protocol':41,97,142 'queri':123 'rather':151 'recipi':37 'resourc':120 'return':29,49,149 'solana':70,113 'spec':176,190 'specif':5,18,34,132 'stat':2,15 'statist':31 'system':101 'timefram':73 'timeframe-filtering' 'total':55 'track':115 'transact':53 'transfer':105 'tx':10,23 'uniqu':12,25,58 'url':162 'usdc':104 'usdc-transfer-tracking' 'use':168,193 'via':107,139 'volum':9,22,56 'wallet':46 'x402':6,19,40,96,108,129,141 'x402 merchant statistics' 'x402 seller metrics' 'x402-analytics' 'x402scan':86,102 'x402scan merchant data'","prices":[{"id":"22952b33-3abb-4cd9-b11c-7b343a1de8fd","listingId":"d6f8798c-7c61-4735-981c-e7a8a23f260a","amountUsd":null,"unit":"per_call","nativeCurrency":"USD COIN","nativeAmount":null,"chain":"base","payTo":"0x2EC4545f96A24876764bF2B04D54E66A1351bE71","paymentMethod":"x402-usd coin","isPrimary":true,"details":{"scheme":"exact","accepts_all":[{"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","extra":{"name":"USD Coin","version":"2"},"payTo":"0x2EC4545f96A24876764bF2B04D54E66A1351bE71","amount":"10000","scheme":"exact","network":"eip155:8453","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-21T18:32:40.808Z"}],"sources":[{"listingId":"d6f8798c-7c61-4735-981c-e7a8a23f260a","source":"x402_bazaar","sourceId":"https://www.x402scan.com/api/data/merchants/0x4D37f28D2db99e8d35A6C725a5f1749A085850a3/stats","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:40.808Z","lastSeenAt":"2026-04-22T05:32:33.639Z"}],"details":{"listingId":"d6f8798c-7c61-4735-981c-e7a8a23f260a","quickStartSnippet":"curl -H 'X-Payment: <x402_payment_header>' \\\n  'https://www.x402scan.com/api/x402/merchants/0x4D37f28D2db99e8d35A6C725a5f1749A085850a3/stats?chain=base&timeframe=7'","exampleRequest":null,"exampleResponse":null,"schema":null,"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"Endpoint costs $0.01 per call via x402 micropayment","source_url":"https://www.x402scan.com"},{"claim":"Supports chain filter (base, solana) and timeframe filter (1, 7, 14, or 30 days)","source_url":"https://www.x402scan.com"},{"claim":"x402scan is a payment data explorer and registry for the x402 protocol, built by Merit Systems","source_url":"https://www.x402scan.com"},{"claim":"Data endpoints require $0.01–$0.02 x402 micropayment","source_url":"https://www.x402scan.com"},{"claim":"The OpenAPI spec documents the path as /api/x402/merchants/{address}/stats","source_url":"https://www.x402scan.com"}],"useCases":["Retrieve aggregate payment stats (volume, tx count, unique buyers) for a specific x402 merchant address","Monitor merchant revenue trends over 1, 7, 14, or 30 day windows","Compare merchant activity across Base and Solana chains","Build dashboards tracking x402 ecosystem merchant performance","Audit payment flows to a specific recipient wallet"],"bestFor":["Agents that need to evaluate x402 merchant activity before transacting","Analytics dashboards tracking x402 protocol adoption","Developers building merchant-facing reporting tools"],"notFor":["Looking up non-x402 on-chain transfers or general blockchain data","Sending payments (use the /api/x402/send endpoint instead)","Real-time streaming transaction feeds"],"kindDetails":{},"updatedAt":"2026-04-22T02:51:45.876Z"}}