{"uid":"cap_TVdKINA7Ymyp1g7W7vSHb","slug":"base-address-risk-snapshot-57fd9f61","name":"Base Address Risk Snapshot","description":"Use before interacting with an unfamiliar Base (chain 8453) address: returns a public-data red-flag snapshot (contract vs EOA, EIP-7702 delegation, source verification, upgradeable proxy, age, activity, ETH/USDC balance, risk level). Pass ?address=0x... Errors: 400 invalid address. Informational only.","url":"https://x402-research-iota.vercel.app/api/firm/risk-snapshot?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":{"address":{"type":"string"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","properties":{"flags":{"type":"array","items":{"type":"object","properties":{"code":{"type":"string"},"level":{"type":"string"},"detail":{"type":"string"}}}},"proxy":{"type":"object"},"signed":{"type":"boolean"},"address":{"type":"string"},"ageDays":{"type":"number"},"chainId":{"type":"number"},"balances":{"type":"object","properties":{"eth":{"type":"number"},"usdc":{"type":"number"}}},"verified":{"type":"boolean"},"riskLevel":{"enum":["low","medium","high","unknown"],"type":"string"},"accountType":{"enum":["contract","eoa","eoa_eip7702_delegated"],"type":"string"},"firstSeenAt":{"type":"string"},"sentTxCount":{"type":"number"}}}}}}},"responseSchema":{"type":"json","example":{"flags":[{"code":"upgradeable_proxy","level":"medium","detail":"Upgradeable proxy; logic can change."}],"proxy":{"admin":"0x4fc7850364958d97b4d3f5a08f79db2493f8ca44","standard":"ZeppelinOS-legacy","upgradeable":true,"implementation":"0x2ce6311ddae708829bc0784c967b7d77d19fd779"},"signed":false,"address":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","ageDays":1162,"chainId":8453,"balances":{"eth":0.0098,"usdc":0},"verified":true,"riskLevel":"medium","accountType":"contract","firstSeenAt":"2023-08-18T18:36:29.000Z","sentTxCount":0}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.03","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":"$0.03/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.03","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.03","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_xpG2d0l4aULPJTLpIjG5d","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.03","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns a public-data red-flag snapshot for a Base (chain 8453) address, including contract type, proxy status, source verification, age, activity, ETH/USDC balances, and a risk level rating.","exampleAgentPrompt":"Before I interact with 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base, can you pull a risk snapshot — tell me if it's a contract or wallet, whether it's verified, if it's an upgradeable proxy, how old it is, and what the overall risk level is?","exampleUseCases":[{"title":"DeFi contract safety check before approval","prompt":"I'm about to approve a token spend on Base contract 0x2ce6311ddae708829bc0784c967b7d77d19fd779 — can you check if it's verified, whether it's an upgradeable proxy, and what the risk level is before I proceed?"},{"title":"Screening an unknown wallet before sending crypto","prompt":"Someone just sent me a payment request from 0x4fc7850364958d97b4d3f5a08f79db2493f8ca44 on Base — can you check if it looks legitimate, how old the address is, and whether there are any red flags?"},{"title":"EIP-7702 delegation detection for a Base address","prompt":"Can you check if 0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045 on Base has been delegated via EIP-7702 and give me a full risk snapshot including its account type and activity history?"}],"resultDescription":"A JSON object containing: the address, chainId (8453), accountType (contract/eoa/eoa_eip7702_delegated), risk level (low/medium/high/unknown), whether source code is verified, proxy details (standard, upgradeable, admin, implementation), whether it is EIP-7702 delegated, address age in days, firstSeenAt timestamp, sentTxCount, ETH and USDC balances, and an array of risk flags each with a code, severity level, and detail string.","failureModes":["400 Bad Request — invalid or malformed address parameter (e.g. missing 0x prefix, wrong length)","Missing ?address= query parameter returns error","Address not found on Base chain may return unknown risk level or limited data","Network or provider outage may delay or fail response","Non-Base chain addresses will not return meaningful results (Base/chain 8453 only)"],"whenToPreferThis":"Use this endpoint when an agent needs a fast, pre-interaction due-diligence check on an unfamiliar Base (chain 8453) address — especially before approving token transfers, interacting with a DeFi protocol, or sending funds. It is purpose-built for Base and returns a uniquely structured risk snapshot combining on-chain metadata (proxy type, verification, EIP-7702 status, age, balances) into a single call. Prefer over generic block explorer lookups when you need a machine-readable risk level and structured flags rather than raw chain data.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-29T12:36:53.730Z","isFirstParty":false,"canonicalSlug":"base-address-risk-snapshot-57fd9f61"}