{"uid":"cap_XVsggdmVQRCNCNTz4WZfq","slug":"defi-hugen-tokyo-dcbd9b73","name":"defi.hugen.tokyo NFT Contract Security Audit","description":"NFT contract security audit — detect privileged minting/burning, proxy upgradability, restricted approval mechanisms, self-destruct risks, and hidden transfer fees. Covers ERC-721 and ERC-1155 on any EVM chain. No API keys needed. Accepts USDC payments on Base and Solana","url":"https://defi.hugen.tokyo/defi/nft","method":"GET","headers":{},"bodySchema":{"properties":{"input":{"required":["method"]}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.010000","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":"$0.010000/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_bu6O1zHmN9i8JQFcQwJFV","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 an NFT smart contract (ERC-721 or ERC-1155) for security vulnerabilities including privileged minting/burning, proxy upgradability, restricted approvals, self-destruct risks, and hidden transfer fees","exampleAgentPrompt":"Can you run a security audit on this NFT contract at 0xBC4CA0EdA7647A8aB7C2061c2E118A18a936f13D on Ethereum — I want to know if it has privileged minting, hidden transfer fees, proxy upgradability, or any self-destruct risks?","exampleUseCases":null,"resultDescription":"A structured security report for the given NFT contract covering: whether privileged minting or burning is possible, proxy upgradability status, restricted approval mechanisms, self-destruct vulnerability presence, and hidden transfer fee detection — across ERC-721 and ERC-1155 standards on any EVM chain","failureModes":["Invalid or non-existent contract address returns an error","Contract on unsupported chain cannot be analyzed","Non-NFT contract address (e.g. ERC-20) may return irrelevant or empty results","Network timeout if the target chain RPC is slow","Payment failure if USDC balance is insufficient"],"whenToPreferThis":"Use this endpoint when you need a fast, automated security pre-check on an NFT contract before minting, purchasing, or integrating it — especially to catch hidden fees, admin backdoors, or upgrade traps. Prefer this over general dApp audits when the specific target is an NFT contract (ERC-721 or ERC-1155) and you need granular NFT-specific risk signals rather than a broad protocol-level review.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T06:51:48.842Z","isFirstParty":false}