{"uid":"cap_0vei9trin1-gfEMKglVPi","slug":"sitecheck-evm-contract-lookup-522951f3","name":"SiteCheck EVM Contract Lookup","description":"Pay-per-call tools for AI agents: image generation, speech-to-text, text-to-speech, embeddings, LLM chat, website audits and contact enrichment, web page to Markdown reader, PDF to text, sitemap URLs, tech stack detection, translation, exchange rates, e-mail pre-check, domain RDAP/DNS lookup, Solana token checks, trending tokens and wallet holdings, plus business and compliance data (EU VAT/VIES, IBAN, LEI/GLEIF, US recalls, OSHA/EPA violations, UK insolvency notices). Also: SEO metadata, link checking, redirect chains, security headers, mail DNS (SPF, DMARC, DKIM), QR codes, language detection, photo EXIF, identifier validation, image OCR, SEC filings, SEC financials, Congress bills, macro rates, UK company data, GitHub repo stats, Hacker News, Wikipedia, gas prices, Solana swap quotes, ERC-20 token checks, ENS names, EVM wallet balances, EVM balances, transactions and contract calls, Solana transactions and accounts, crypto prices, candles and order books, DeFi TVL, yields and stablecoins, SEC insider trades, weather, geocoding and holidays, IP owners and postcodes, npm, PyPI and crates package data and vulnerabilities, GitHub profiles, arXiv papers and DOIs, structured extraction, summaries, sentiment and reranking, HTML tables and RSS feeds, Bitcoin fees, addresses and transactions, Bitcoin address balances, Bitcoin transaction status, EVM calldata decoding, verified EVM contracts, Hyperliquid perpetual markets, Hyperliquid account positions, Polymarket odds, crypto fear and greed, DeFi fees, DEX volume, company registries of four countries, ISIN, CUSIP and ticker lookup, SEC full-text search, SEC 8-K events, FDA drug labels, FDA adverse event counts, clinical trials, PubMed articles, US federal grants, EU public tenders, NPI provider lookup, US address geocoding, USGS earthquakes, NWS weather alerts, sunrise and moon times, time zone conversion, distance and bearing, GDACS disaster alerts, llms.txt checks, AI crawler access, tracker and cookie audits, certificate transparency, site logos and icons, GitHub releases, GitHub issues, Stack Overflow answers, read-only Wikidata queries, text moderation, image descriptions, text classification, named entity extraction, PII redaction, phone number checks, cron explanations, JSON Schema validation, whale transfers, SSL certificate expiry, Markdown to HTML, PageSpeed scores, Product Hunt launches, sanctions screening (OFAC, EU, UN, UK), flight fare search, YouTube transcripts, speech to text from media links, perpetual funding rates, crypto technical indicators, crypto news headlines, crypto spot conversion, World Bank macro indicators, loan and investment calculator, grammar checks, readability scores, keyword extraction, text diffs, transliteration and slugs, text chunking, subtitle translation, tone rewrites, working days, date calculations, unit conversion, book lookup, food nutrition, airport lookup, tide predictions, nearby places, robots.txt checks, hashes, encode and decode, JWT inspection, UUIDs and passwords, User-Agent parsing, subdomain discovery, uptime checks, VIN decoding, UK EORI checks, SWIFT and BIC checks, stock ticker lookup, invoice extraction, resume parsing, address parsing, prediction-market data, multi-chain RPC and chain data, compliance and government data, web data, search and research, AI text jobs. Plus prediction-market search, briefs, quotes and unsigned buy transactions, powered by Panta. Payment: x402, USDC on Base, Solana or Arc. No signup, no API key.","url":"https://api.sitecheck-api.workers.dev/api/evm/contract?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":{"chain":{"type":"string","description":"base (default), ethereum, arbitrum, optimism or polygon"},"address":{"type":"string","description":"Contract address, 0x…"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"name":"FiatTokenProxy","chain":"base","match":"exact_match","events":[{"name":"AdminChanged","signature":"AdminChanged(address,address)"},{"name":"Upgraded","signature":"Upgraded(address)"}],"source":"https://sourcify.dev/server/v2/contract/8453/0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","address":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","chainId":8453,"license":"MIT","verified":true,"checkedAt":"2026-10-14T07:00:21.039Z","functions":[{"name":"admin","signature":"admin()","stateMutability":"view"},{"name":"changeAdmin","signature":"changeAdmin(address)","stateMutability":"nonpayable"},{"name":"implementation","signature":"implementation()","stateMutability":"view"}],"compilerVersion":"0.6.12+commit.27d51765"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.002","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":"$0.002/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm__c96uJPs9yVVtkjb2jqxv","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.002","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Looks up an EVM smart contract address to retrieve its ABI, functions, events, verification status, license, compiler version, and chain metadata","exampleAgentPrompt":"Can you look up the smart contract at 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base and tell me its name, whether it's verified, what functions it exposes, and what license it uses?","exampleUseCases":[{"title":"Auditing a DeFi protocol contract","prompt":"I'm reviewing a DeFi protocol and need to audit the contract at 0xUniswapV3Pool on Ethereum — can you pull up its full function list, events, verification status, and compiler version?"},{"title":"Verifying a token proxy contract","prompt":"Check if the contract 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base is a verified proxy, and show me what admin and implementation functions it has."},{"title":"Inspecting a contract on Arbitrum","prompt":"What does the smart contract at 0xFd086bC7CD5C481DCC9C85ebE478A1C0b69FCbb9 on Arbitrum actually do? Give me its name, license, and all the callable functions."}],"resultDescription":"Returns a JSON object containing the contract name, chain, match type (exact or partial), verification status, license, compiler version, chain ID, source URL, list of functions with names and state mutability, and list of events with names and signatures.","failureModes":["Contract address not found or not verified on the specified chain — returns empty or unverified result","Invalid or malformed contract address (not a 0x hex address) — returns error","Unsupported chain name provided — defaults to Base or returns error","Contract exists on-chain but has no verified source on Sourcify — returns unverified status","Rate limiting or upstream Sourcify API unavailability"],"whenToPreferThis":"Use this endpoint when you need to inspect a deployed EVM smart contract's interface, verify its source code, or retrieve its ABI-equivalent function and event signatures across Base, Ethereum, Arbitrum, Optimism, or Polygon. Prefer this over raw blockchain RPC calls when you need human-readable function names, verification status, and license info in a single structured response.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-19T06:44:26.200Z","isFirstParty":false,"canonicalSlug":"sitecheck-evm-contract-lookup-522951f3"}