{"uid":"cap_BXlrtu_R_xmhAP_vgpphE","slug":"sitecheck-identifier-validator-f36a3a40","name":"SiteCheck Identifier Validator","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/validate?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":["value"],"properties":{"type":{"type":"string","description":"auto (default), isbn, ean, vin, imei, isin or luhn"},"value":{"type":"string","description":"The identifier, or up to 50 comma-separated"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"type":"isbn","parts":{"isbn13":"9780306406157"},"valid":true,"value":"0306406152","subtype":"ISBN-10","checkedAt":"2026-10-13T09:00:00.000Z","normalised":"0306406152","expectedCheckDigit":null}},"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_RlFPf9mrSA3Trdz3AMduI","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":"Validates one or more identifiers (ISBN, EAN, VIN, IMEI, ISIN, LUHN, or auto-detected) and returns whether they are valid along with normalized form and parsed parts","exampleAgentPrompt":"Can you check if the ISBN '0306406152' is valid and show me its ISBN-13 equivalent?","exampleUseCases":[{"title":"Book ISBN verification for catalog","prompt":"I need to verify whether this ISBN is valid before adding it to our catalog: 0306406152 — and if it is, give me the ISBN-13 version too."},{"title":"Bulk IMEI check for device inventory","prompt":"Can you validate these three IMEI numbers for me: 490154203237518, 356938035643809, 012345678901234? Flag which ones are valid and which aren't."},{"title":"ISIN code validation for trade input","prompt":"Before I submit this trade order, can you confirm that the ISIN 'US0378331005' is a valid identifier?"}],"resultDescription":"A JSON object containing the identifier value, detected or specified type (isbn, ean, vin, imei, isin, luhn), a valid boolean, normalized form, any parsed sub-parts (e.g. isbn13), the expected check digit if applicable, and a checkedAt timestamp. Up to 50 identifiers can be validated in a single call.","failureModes":["Invalid or unrecognizable identifier format returns valid: false with the detected type","Supplying more than 50 comma-separated values may be rejected or silently truncated","Unknown identifier type when type is set to 'auto' and the value doesn't match any known pattern","Missing required 'value' query parameter returns an error response","Malformed query string or non-string value types may cause a 400-level error"],"whenToPreferThis":"Use this endpoint when you need fast, cheap ($0.001 per call), pay-per-use validation of structured identifiers like ISBNs, VINs, IMEIs, EANs, ISINs, or Luhn-checksum values without requiring any signup. It supports auto-detection of identifier type and batch validation of up to 50 identifiers per call. Prefer this over building custom check-digit logic or using heavier data enrichment services when all you need is a validity check and normalized form.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-14T06:44:43.242Z","isFirstParty":false,"canonicalSlug":"sitecheck-identifier-validator-f36a3a40"}