{"uid":"cap_0YaBoBlh3ht71Z2-I4NDa","slug":"contract-guard-api-1631e95b","name":"contract-guard API","description":"Risk check for an EVM contract/token address","url":"https://eltociear-contract-guard.hf.space/check","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"chain":{"enum":["base","ethereum"],"type":"string","description":"Chain (default base)"},"address":{"type":"string","description":"EVM contract/token address (0x...)"}}},"responseSchema":{"type":"json","example":{"chain":"base","flags":["..."],"token":{"name":"USD Coin","symbol":"USDC","decimals":6},"address":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","is_proxy":true,"risk_level":"HIGH","risk_score":40,"is_contract":true}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","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":"$0.005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_4l3V5yK8LNrw87jdbUTNf","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns pre-interaction risk signals for an EVM smart contract or token, including proxy status, EIP-7702 flags, ERC20 metadata, and a risk score on Base.","exampleAgentPrompt":"Before I interact with the contract at 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base, can you check its risk level, whether it's a proxy, and pull any ERC20 metadata for it?","exampleUseCases":null,"resultDescription":"A JSON object containing: the queried address and chain, a risk_score (integer), a risk_level string (e.g. HIGH/LOW), boolean flags is_proxy and is_contract, an array of risk flags (e.g. EIP-7702 indicators), and ERC20 token metadata (name, symbol, decimals) if applicable.","failureModes":["Invalid or malformed contract address returns a validation error","Unsupported chain identifier returns an error or null result","Contract not deployed on the specified chain returns empty or null data","Timeout or upstream unavailability returns a 5xx error","Address is an EOA (externally owned account), not a contract — is_contract may be false with limited data"],"whenToPreferThis":"Use this endpoint when you need a quick, pre-interaction risk signal for a specific EVM contract or token before approving a transaction, swapping, or interacting with a DeFi protocol — especially on Base. Prefer it over generic block explorers when you want a structured risk score, proxy detection, and ERC20 metadata in a single API call without parsing raw chain data.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T00:33:34.857Z","isFirstParty":false}