{"uid":"cap_DGnVpDolT7OV0Ee3Ic7B0","slug":"chainward-seller-demand-risk-analysis-a29d246f","name":"ChainWard Seller Demand Risk Analysis","description":"Paste any Base or BNB Chain address before you pay or hire it. ChainWard tells you Pay or Hold, and why, from the wallet’s on-chain history. Free.","url":"https://api.chainward.ai/api/risk/seller-demand?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","required":["address"],"properties":{"chain":{"enum":["base","bsc"],"type":"string","default":"base","description":"Chain the address is on. Payment is USDC on Base either way."},"address":{"type":"string","pattern":"^0x[a-fA-F0-9]{40}$","description":"Address to check"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"data":{"sample":{"buyers":500,"capped":true,"inflow_transfers":1000},"address":"0x68396bd35874695ad86cd29410bd80a550991a2b","signals":[{"id":"buyers_funded_by_seller","title":"Most checked buyers' USDC traces back to this address","evidence":"30 of 30 top buyers reach this address within 3 hops of their largest funders (100% of their volume)."},{"id":"common_funder","title":"One wallet funds most checked buyers","evidence":"0x82b551e820efc3503a3a27fc450e07e328daf91c is the largest funder of 50% of the top buyers checked."}],"disclaimer":"Describes where stablecoins moved on this chain, not why. A common funder can be a legitimate faucet, exchange or custodian. Not a safety verdict.","walk_stops":{},"window_days":30,"seller_funded":{"hops":{"3":30},"buyers":30,"volume_share":1},"buyers_checked":30,"proxied_payers":[],"paid_back_share":0,"top_buyer_share":0.037,"common_first_funder":{"address":"0x82b551e820efc3503a3a27fc450e07e328daf91c","buyer_share":0.5},"via_intermediary_share":0},"success":true}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.1","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":"$0.1/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.1","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.1","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_ipU2D7GvtjmE8KH8BxAi0","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.1","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Analyzes on-chain USDC flow patterns for a Base address to detect seller-funded buyer activity and common funder signals indicating potential wash trading or artificial demand.","exampleAgentPrompt":"Can you check if the seller at 0x68396bd35874695ad86cd29410bd80a550991a2b on Base is artificially funding their own buyers — I want to see the on-chain USDC trace signals and whether there's a common funder behind most of the top buyers?","exampleUseCases":[{"title":"Wash trading detection for marketplace seller","prompt":"I'm looking at a seller on a Base NFT marketplace with address 0x68396bd35874695ad86cd29410bd80a550991a2b — can you run a ChainWard seller demand check to see if their top buyers' USDC actually traces back to them or a common funder wallet?"},{"title":"Due diligence on a token project","prompt":"Before I invest in this Base project, can you check if the wallet 0x1a2b3c4d5e6f7a8b9c0d1e2f3a4b5c6d7e8f9a0b looks like it's been seeding its own buyers with USDC to fake demand?"},{"title":"AI agent economy trust verification","prompt":"I'm evaluating an AI agent on Base for a partnership and their wallet is 0x82b551e820efc3503a3a27fc450e07e328daf91c — can you pull the seller demand risk signals to see if their revenue looks organic or if they're recycling funds through buyer wallets?"}],"resultDescription":"Returns a JSON object with: detected risk signals (e.g. 'buyers_funded_by_seller', 'common_funder') each with a title and evidence string; aggregate stats including number of buyers checked, how many are reached within N hops of the seller, volume share, top buyer share, paid-back share; the address of the most common first funder; a 30-day rolling window; and a disclaimer clarifying this describes USDC movement, not intent.","failureModes":["Invalid or malformed address (not matching ^0x[a-fA-F0-9]{40}$) returns validation error","Address with no on-chain activity may return empty signals or zero buyers","Rate limiting or payment failure (x402) if USDC payment not properly attached","Network congestion on Base may delay trace resolution","Very new addresses with insufficient transaction history may return inconclusive results"],"whenToPreferThis":"Choose this endpoint when you need forensic on-chain evidence of whether a seller on Base is artificially inflating demand by funding their own buyers. It is purpose-built for Base network USDC flow tracing across buyer hops, making it more specific than generic blockchain analytics tools. Prefer it over broad on-chain explorers when you need structured risk signals with evidence strings ready for agent consumption, especially in marketplace due diligence, AI agent economy vetting, or DeFi fraud detection workflows.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-12T06:41:11.352Z","isFirstParty":false,"canonicalSlug":"chainward-seller-demand-risk-analysis-a29d246f"}