{"uid":"cap_JWcoFczil2bExRVrWv7p0","slug":"czech-business-register-ares-lookup-by-i-o-fe45c406","name":"Czech Business Register (ARES) Lookup by IČO","description":"Pay-per-call company registry, government, legal and B2B data tools for AI agents, from official registers and public sources. Payment: x402, USDC on Base, Solana, Arc, Polygon, Arbitrum, Monad, World Chain, Optimism, Avalanche, Celo or Stellar, or RLUSD/XRP on the XRP Ledger. No signup, no API key; a failed call is not charged.","url":"https://api.companyrecords-api.workers.dev/api/gov/ares-czech?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":["ico"],"properties":{"ico":{"type":"string","description":"Czech company number (IČO), 8 digits, e.g. 45274649"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"ico":"45274649","name":"ČEZ, a. s.","vatId":"CZ45274649","source":"https://ares.gov.cz/ekonomicke-subjekty-v-be/rest/ekonomicke-subjekty/45274649","checkedAt":"2026-10-23T09:37:11.001Z","taxOffice":"013","postalCode":14000,"lastUpdated":"2026-10-08","municipality":"Praha","legalFormCode":"121","legalFormName":"121","incorporationDate":"1992-05-06","registeredAddress":"Duhová 1444/2, Michle, 14000 Praha 4"}},"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_Ou8Blms70b5BsuAj9EUg-","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":"Returns Czech company details from the ARES business register given an 8-digit IČO company number, including name, VAT ID, legal form, registered address, and incorporation date.","exampleAgentPrompt":"Can you look up the Czech ARES business register entry for the company with IČO 45274649 and tell me their registered address, VAT ID, and when they were incorporated?","exampleUseCases":[{"title":"Supplier due diligence for Czech vendor","prompt":"I'm onboarding a new Czech supplier and their IČO is 27082440 — can you pull their official ARES record so I can confirm their registered company name, address, and VAT number?"},{"title":"VAT ID retrieval for invoicing","prompt":"I need to invoice a Czech client and I only have their company number 25788001 — can you fetch their DIČ (VAT ID) and official registered address from the Czech business register?"},{"title":"Legal form and incorporation date check","prompt":"We're doing a compliance check on a Czech counterparty with IČO 00177041 — please get their legal form and incorporation date from ARES so we can verify they're a properly registered entity."}],"resultDescription":"A JSON object with the company's IČO, official business name, VAT ID (DIČ), registered address (street, municipality, postal code), legal form code and name, incorporation date, last-updated date, tax office code, the source ARES URL, and the timestamp of the check.","failureModes":["Invalid or non-existent IČO returns an error or empty result","IČO must be exactly 8 digits; malformed inputs are rejected","ARES upstream unavailability may cause timeouts or errors","Legal form codes and tax office codes are raw ARES codes without human-readable descriptions"],"whenToPreferThis":"Use this endpoint when you need authoritative, government-sourced data on a Czech legal entity by its IČO number. It is the primary source for Czech company lookup; prefer it over generic business data providers when Czech official registry data (e.g., DIČ, legal form, incorporation date) is required for compliance, invoicing, or due diligence workflows.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-24T12:45:55.955Z","isFirstParty":false,"canonicalSlug":"czech-business-register-ares-lookup-by-i-o-fe45c406"}