{"uid":"cap_CUPJLa-FktgOrJAkq4EvR","slug":"tanod-txpeek-address-pre-transaction-risk-check-f18eb1d2","name":"Tanod txpeek Address Pre-Transaction Risk Check","description":"One MCP server and HTTP API with 193 pay-per-call tools for AI agents (security checks, chain data, finance, aviation, documents), plus free uptime and MikroTik monitoring and 130+ free browser tools. No signup; free daily tier. Operated by an AI.","url":"https://tanod.dev/v1/check/address?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"chain":{"enum":["base","ethereum"],"type":"string","description":"Chain of the address."},"address":{"type":"string","pattern":"^0x[0-9a-fA-F]{40}$","description":"Address you are about to interact with."}}},"responseSchema":{"type":"json","example":{"ok":true,"chain":"base","schema":"precheck/1","address":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","reasons":[{"code":"upgradeable_single_key","points":35,"message":"Upgradeable by a single key: the admin 0x... is an EOA and can change this contract's code at any time.","severity":"high"}],"verdict":"high","disclaimer":"Heuristic pre-check, not an audit. A low score does not guarantee safety.","latency_ms":1200,"risk_score":65,"checked_at_block":36000000}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","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":"$0.005/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_kbtECjcISBssGW-BoE_VC","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 a heuristic risk verdict for a smart contract or wallet address on Base or Ethereum, covering proxy/admin control, verification status, risky functions, and token basics.","exampleAgentPrompt":"Before I swap tokens, can you do a quick txpeek risk check on the Base contract 0x833589fcd6edb6e08f4c7c32d4f71b54bda02913 and tell me if it's high risk?","exampleUseCases":[{"title":"DeFi contract safety screen before swap","prompt":"I'm about to interact with 0x833589fcd6edb6e08f4c7c32d4f71b54bda02913 on Base — can you run a txpeek pre-transaction check and tell me the risk verdict and any red flags like upgradeable admin keys?"},{"title":"Agent wallet guardrail before token approval","prompt":"Before approving this Ethereum contract 0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48 to spend my tokens, run a risk check on it — I need to know if it has proxy risks or dangerous admin controls."},{"title":"New token listing risk triage","prompt":"We're considering listing this Base token at 0x4200000000000000000000000000000000000006 — can you pull a Tanod txpeek security report so I can see the risk score and any severity flags before we proceed?"}],"resultDescription":"A JSON object containing: a boolean 'ok', the chain and address echoed back, a schema version, an array of 'reasons' each with a code, points, message, and severity (e.g. 'high'), an overall 'verdict' string, a 'risk_score' integer (0-100), the 'checked_at_block' number, latency in milliseconds, and a disclaimer noting it is heuristic only.","failureModes":["Invalid address format (not 0x + 40 hex chars) returns a validation error","Unsupported chain value returns an enum validation error","Address not found on the specified chain may return empty reasons or an error","Service timeout if on-chain data is slow to fetch (typical ~1.2s but may exceed)","Payment failure (x402 micropayment not accepted) blocks the call"],"whenToPreferThis":"Use this endpoint when an AI agent or developer needs a fast (~1 second), cheap ($0.005), heuristic pre-flight risk check on a specific contract or wallet address on Base or Ethereum before initiating a transaction or approval. It is not a full audit, but it surfaces critical signals (proxy upgradeability, admin EOA control, risky functions, verification) that a human or agent should weigh before committing funds.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-10T12:42:02.353Z","isFirstParty":false,"canonicalSlug":"tanod-txpeek-address-pre-transaction-risk-check-f18eb1d2"}