{"uid":"cap_ifoLEXEABOtqzS9nd6LtT","slug":"sitecheck-ens-name-lookup-3ee07c87","name":"SiteCheck ENS Name 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. 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/ens?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":[],"properties":{"name":{"type":"string","description":"ENS name, e.g. vitalik.eth"},"address":{"type":"string","description":"Or an address, 0x…"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"name":"vitalik.eth","input":{"name":"vitalik.eth"},"avatar":"https://euc.li/vitalik.eth","address":"0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045","records":{"url":"https://vitalik.ca","com.github":"vbuterin","com.twitter":"VitalikButerin","description":"mi pinxe lo crino tcati"},"sources":["Ethereum mainnet JSON-RPC (ENS registry and resolvers, eth_call)"],"resolver":"0x231b0Ee14048e9dCcD1d247744d114a4EB5E8E63","checkedAt":"2026-10-13T18:51:22.511Z","disclaimer":"Information only, not financial advice.","registered":true,"primaryName":"vitalik.eth"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001","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":"$0.001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_hzonCpgpblbpHX6ZtQvam","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Resolves an ENS name to its Ethereum address and associated records, or reverse-looks up the primary ENS name for a given address","exampleAgentPrompt":"What Ethereum address and social profiles are linked to the ENS name vitalik.eth?","exampleUseCases":[{"title":"Resolve ENS name before sending crypto","prompt":"Before I send funds, can you look up what Ethereum address the ENS name friend.eth resolves to, and confirm it's actually registered?"},{"title":"Enrich wallet identity with social profile","prompt":"I have this Ethereum address 0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045 — can you find its primary ENS name and any linked social handles or website?"},{"title":"Verify ENS profile for a DAO contributor","prompt":"Can you pull up the full ENS profile for contributor.eth — I need their avatar, Twitter, GitHub, and any description they've set on-chain?"}],"resultDescription":"Returns a JSON object containing the resolved Ethereum address, the primary ENS name, avatar URL, ENS text records (URL, GitHub handle, Twitter handle, description), resolver contract address, registration status, and a timestamp of when the check was performed. Data is sourced from Ethereum mainnet via eth_call against ENS registry and resolvers.","failureModes":["ENS name not registered — returns registered: false with no address","Invalid ENS name format — malformed input may return an error","Address provided has no primary ENS name set — returns null for primaryName","Ethereum mainnet RPC unavailability causing lookup failure","Rate-limiting or payment failure via x402 protocol"],"whenToPreferThis":"Use this endpoint when you need to resolve an ENS name to an Ethereum address or reverse-lookup a wallet's ENS identity, including fetching associated metadata like avatar, social handles, and website. Prefer this over generic blockchain RPC calls when you want a single structured response with all ENS records in one call. Ideal for agent workflows involving Web3 identity enrichment, contact lookup, or pre-transfer address verification.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-14T06:30:10.350Z","isFirstParty":false,"canonicalSlug":"sitecheck-ens-name-lookup-3ee07c87"}