{"uid":"cap_96i6pYxNno397eF31bGCw","slug":"defi-shield-hazel-vercel-app-19998c4e","name":"NFT Collection Risk Assessment (Wash Trading + Holder Distribution)","description":"","url":"https://defi-shield-hazel.vercel.app/api/nft/collection-risk","method":"POST","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","bodyType","body","method"],"properties":{"body":{"properties":{"chain":{"type":"string","description":"Chain (default: base)"},"collection_address":{"type":"string","description":"NFT collection contract address"}}},"type":{"type":"string","const":"http"},"method":{"enum":["POST"],"type":"string"},"bodyType":{"enum":["json","form-data","text"],"type":"string"}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":{"request":{"input":{"body":{"chain":"base","collection_address":"0xED5AF388653567Af2F388E6224dC7C4b3241C544"},"type":"http","method":"POST","bodyType":"json"}},"response":{"note":"No NFT (ERC-721) transfers found for this address. It may not be an NFT collection contract.","chain":"base","age_days":0,"risk_level":"UNKNOWN","risk_score":0,"analyzed_at":"2026-06-16T01:07:29.658Z","whale_count":0,"risk_factors":["No NFT transfers found — address may not be an NFT collection or has no on-chain activity."],"wash_signals":[],"collection_name":null,"response_time_ms":95,"wash_trading_pct":0,"collection_symbol":null,"collection_address":"0xED5AF388653567Af2F388E6224dC7C4b3241C544","suspicious_wallets":[],"unique_traders_24h":0,"volume_24h_transfers":0,"holder_count_estimate":0,"total_transfers_analyzed":0,"top_holder_concentration_pct":0}},"exampleRequest":{"chain":"base","collection_address":"0xED5AF388653567Af2F388E6224dC7C4b3241C544"},"tags":["x402"],"displayCostAmount":"0.5","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"settled","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":"$0.5/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.5","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.5","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_xV_buV2e-45k2czcdw_e7","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.5","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Assesses risk of an NFT collection by detecting wash trading patterns and analyzing holder distribution concentration","exampleAgentPrompt":"Can you run a risk assessment on the Azuki NFT collection at contract address 0xED5AF388653567Af2F388E6224dC7C4b3241C544 on Ethereum — I want to know if there's wash trading happening and whether the holder distribution looks healthy before I consider buying.","exampleUseCases":null,"resultDescription":"Returns a structured risk report including a composite risk score, wash trading detection signals (e.g. circular trades, repeated buyer-seller pairs, suspicious volume patterns), and holder distribution analysis (e.g. top holder concentration percentages, whale dominance, Gini coefficient) to help evaluate collection legitimacy and investment risk.","failureModes":["Invalid or unrecognized contract address returns an error","Collection not indexed or too new returns insufficient data error","Unsupported blockchain network returns unsupported chain error","Rate limiting or payment failure returns 402 or 429 status","Network RPC unavailability causes timeout or partial data response"],"whenToPreferThis":"Use this endpoint when you need a combined wash-trading and holder-distribution risk signal for an NFT collection in a single call, particularly for due diligence before an NFT purchase or investment decision. Prefer this over generic on-chain analytics when you want a pre-computed risk score rather than raw transaction data.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T00:44:37.181Z","isFirstParty":false}