{"uid":"cap_dSXRC7rDYoy2icX_KNN1D","slug":"defi-hugen-tokyo-ef239963","name":"DeFi Token Approval Security Checker","description":"Check token approval security risks — detect unlimited allowances, suspicious spender contracts, and high-risk approval targets. Essential for wallet hygiene. No API keys needed. Accepts USDC payments on Base and Solana","url":"https://defi.hugen.tokyo/defi/approval","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_ngBEkYPPvw177ozIF9mC0","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 token approvals for a wallet address to detect unlimited allowances, suspicious spender contracts, and high-risk approval targets","exampleAgentPrompt":"Scan my Ethereum wallet 0xAbC...123 for risky token approvals — I want to know if any contracts have unlimited allowances or look like suspicious spender addresses that could drain my funds.","exampleUseCases":null,"resultDescription":"Returns a list of token approvals associated with the queried wallet, flagging unlimited allowances, suspicious or unverified spender contracts, and high-risk approval targets, along with risk scores and recommended revocations for wallet hygiene.","failureModes":["Invalid or malformed wallet address returns a 400 error","Unsupported blockchain network returns an unsupported chain error","No approvals found for the address returns an empty result set","Payment not received or insufficient USDC results in 402 Payment Required","Rate limiting or timeout on heavily queried addresses may return 429 or 503"],"whenToPreferThis":"Use this endpoint when an AI agent needs to audit a specific wallet's token approval risk exposure — particularly before executing DeFi transactions, after interacting with a new protocol, or as part of a routine wallet security check. Prefer over generic blockchain explorers when you need structured, security-focused analysis of allowances rather than raw transaction data.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T06:50:31.097Z","isFirstParty":false}