{"uid":"cap_AoW2a7u5eUC_f8w8Htvbf","slug":"vextorium-contract-verification-checker-eea3f2b6","name":"Vextorium Contract Verification Checker","description":"Checks whether a smart contract's source code is verified and public on Sourcify, on any EVM chain: match type, contract name, compiler, number of functions and a sample. Verified code = transparent and auditable (not a safety guarantee). 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It does not guarantee it is safe. Source: Sourcify.","match":"match","source":"Sourcify (sourcify.dev)","address":"0xdAC17F958D2ee523a2206206994597C13D831ec7","network":"ethereum","chain_id":1,"compiler":"0.4.18+commit.9cf6e910","verified":true,"functions":["name","deprecate"],"verified_on":"2024-08-08T13:56:23Z","contract_name":"TetherToken","num_functions":32}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.004","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"registry","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":"$0.004/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.004","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.004","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_AJj0Fb--si-BW-7AkMQU4","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.004","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Checks whether a smart contract's source code is verified and public on Sourcify for any EVM-compatible chain, returning match type, contract name, compiler version, and function list.","exampleAgentPrompt":"Can you check if the contract at 0xdAC17F958D2ee523a2206206994597C13D831ec7 on Ethereum is verified on Sourcify — I want to know if its source code is public, what it's called, and what functions it exposes?","exampleUseCases":[{"title":"DeFi protocol due diligence","prompt":"Before I interact with this DeFi protocol, can you check if the contract at 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D on Ethereum is verified on Sourcify? I want to know the contract name, compiler version, and whether the source code is actually public."},{"title":"Token contract transparency check","prompt":"I'm researching this token — can you verify whether the contract 0x1f9840a85d5aF5bf1D1762F925BDADdC4201F984 on Ethereum has its source code verified? Tell me the match type and how many functions it has."},{"title":"Multi-chain smart contract audit prep","prompt":"Can you check if the contract 0x4200000000000000000000000000000000000006 deployed on Base has verified source code on Sourcify? I need to know if it's auditable before my team reviews it."}],"resultDescription":"Returns a JSON object with: verified (boolean), match type (e.g. 'match'), contract name, compiler version, network name, chain ID, number of public functions, a sample list of function names, verification date, and a note clarifying that verification means transparency, not safety. Source is live Sourcify data.","failureModes":["Contract not verified — returns verified: false with null fields for match/compiler/functions","Invalid or malformed contract address — likely returns an error or unverified response","Unsupported network/chain — chain not indexed by Sourcify may return unverified","Contract deployed but source never submitted to Sourcify — returns verified: false","Network connectivity or Sourcify API downtime — may result in upstream error"],"whenToPreferThis":"Use this endpoint when you need to confirm whether a specific smart contract's source code is publicly available and auditable on Sourcify across any EVM chain. Prefer this over block explorer APIs (Etherscan, etc.) when you want a chain-agnostic verification check that works across Ethereum, Base, Arbitrum, Optimism, Polygon, BSC, and many other EVM networks in a single call. Ideal for pre-interaction due diligence, DeFi protocol research, or feeding contract metadata into an AI agent pipeline.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-11T18:52:37.154Z","isFirstParty":false,"canonicalSlug":"vextorium-contract-verification-checker-eea3f2b6"}