{"uid":"cap_lxQl1QxxjdDAjuDZC_pkF","slug":"nft-wash-trade-check-225dd0d6","name":"NFT Wash-Trade Check","description":"Per-token wash-trade heuristics: verdict + evidence over that token's sales — cached ≤24h","url":"https://x402.professorsausages.com/nft/:chain/asset/:address/:tokenId/wash-check","method":"GET","headers":{},"bodySchema":null,"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_70Xd9cw-S5H8lIU3YuIYy","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Analyzes a specific NFT token's sales history for wash-trading patterns, returning a verdict and supporting evidence","exampleAgentPrompt":"Can you check if token #4231 of the NFT contract 0xBC4CA0EdA7647A8aB7C2061c2E118A18a936f13d on Ethereum has been wash traded? I want to know if its sales history looks manipulated.","exampleUseCases":[{"title":"Pre-purchase NFT due diligence","prompt":"I'm thinking about buying token #187 from the contract 0xb47e3cd837dDF8e4c57F05d70Ab865de6e193BBB on Ethereum. Can you check if its sales history looks clean or if there are any signs of wash trading before I spend real money on it?"},{"title":"Investigate suspicious price spike","prompt":"Token #902 from contract 0x60E4d786628Fea6478F785A6d7e704777c86a7c6 had a massive price jump last week that seems off. Can you analyze its trading history and tell me if it looks like artificial price inflation or wash trading?"},{"title":"Flag manipulated NFT for report","prompt":"I'm putting together a report on NFT market manipulation and I need to know if token #3341 from contract 0x34d85c9CDeB23FA97cb08333b511ac86E1C4E258 has been flagged for fake sales or circular trading patterns. Can you run a wash-trade check on it?"}],"resultDescription":"Returns a wash-trade verdict (e.g. clean, suspicious, flagged) along with evidence derived from the token's sales history, such as circular trading patterns, repeated buyer-seller pairs, and price anomalies. Results are cached for up to 24 hours.","failureModes":["Invalid or unsupported chain identifier returns an error","Contract address not found or not an NFT contract","Token ID does not exist on the given contract","No sales history available for the token — verdict may be inconclusive","Payment not received or insufficient — 402 response","Cache miss on first call may increase latency slightly"],"whenToPreferThis":"Use this endpoint when you need per-token wash-trade analysis for a specific NFT, rather than collection-level statistics. Ideal for due diligence before purchasing an NFT, investigating suspicious price history, or flagging market manipulation on a particular asset. The 24h cache makes it efficient for repeated lookups on the same token.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T18:47:11.264Z","isFirstParty":false}