{"uid":"cap_MA9Q8a-qG3-8jcSBcJL4u","slug":"x402-seller-wash-trading-detection-b96e4397","name":"x402 Seller Wash-Trading Detection","description":"Deep wash-trading detection for an x402 seller - samples buyer wallets for freshness, analyses payment timing bursts and wallet reuse to score how likely the seller's sales are self-generated fakes vs real distinct customers - the forensic layer beyond raw revenue, exposing inflated volume that fools everyone else. wash trading detection, fake sales, self trading, x402 authenticity, real customers check, sales fraud detection","url":"https://api.x402node.dev/x402/authenticity","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","required":["address"],"properties":{"payTo":{"type":"string","description":"Payee address to analyze (optional)"},"address":{"type":"string","description":"x402 payTo address to forensically analyze (required)"}}}},"additionalProperties":false}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"4","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":"$4/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"4","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"4","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_xYAWjnXZxdLdq7KZUQYdk","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"4","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Analyzes an x402 seller's transaction history to detect wash trading, fake sales, and self-generated volume by sampling buyer wallet freshness, payment timing bursts, and wallet reuse patterns.","exampleAgentPrompt":"Can you run a wash-trading authenticity check on this x402 seller — their address is 0xAbC123... — and tell me whether their sales volume looks real or self-generated, including buyer wallet freshness and timing burst scores?","exampleUseCases":null,"resultDescription":"Returns a forensic authenticity score indicating the likelihood that a seller's x402 sales are wash-traded or self-generated, including analysis of buyer wallet freshness, payment timing bursts, and wallet reuse patterns to distinguish real distinct customers from fake volume.","failureModes":["Invalid or non-existent seller address returns an error","Seller with insufficient transaction history may yield low-confidence scores","Network or RPC issues may cause timeouts","Payment of $4 USDC required per call via x402 protocol; failure to pay returns 402"],"whenToPreferThis":"Use this endpoint when you need to forensically audit an x402 seller's sales authenticity and detect wash trading or inflated volume — particularly when raw revenue metrics look suspicious or you need to verify that customers are real, distinct wallets rather than self-trades.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T13:09:15.903Z","isFirstParty":false}