{"uid":"cap_H1oM-YGxmErTGlg9gNFIT","slug":"fastx402-vat-number-validation-586b9846","name":"FastX402 VAT Number Validation","description":"200 pay-per-call tools for AI agents, from $0.001 per request in USDC on Base or Solana with x402. No account, no API key.","url":"https://fastx402.tools/vat-check?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$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":["vat"],"properties":{"vat":{"type":"string","description":"VAT number with its country prefix, e.g. DE123456789, FR..., EL... (Greece), XI... (Northern Ireland)"},"country":{"type":"string","description":"Optional 2-letter EU country if the number has no prefix"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","properties":{"name":{"type":"string"},"input":{"type":"string"},"valid":{"type":"boolean"},"source":{"type":"string"},"address":{"type":"string"},"country":{"type":"string"},"vatNumber":{"type":"string"},"viesStatus":{"type":"string"},"formatValid":{"type":"boolean"},"requestDate":{"type":"string"}}}}}}},"responseSchema":{"type":"json","example":{"name":"GOOGLE IRELAND LIMITED","input":"IE6388047V","valid":true,"source":"vies","address":"3RD FLOOR, GORDON HOUSE, BARROW STREET, DUBLIN 4","country":"IE","vatNumber":"IE6388047V","viesStatus":"VALID","formatValid":true,"requestDate":"2026-10-17T16:06:14.436Z"}},"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_bVTClXfyerh_mFg-Zg_MD","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":"Validates EU VAT numbers against the VIES system, returning company name, address, and validity status","exampleAgentPrompt":"Can you check whether the VAT number IE6388047V is valid and tell me the registered company name and address?","exampleUseCases":[{"title":"Invoice compliance check for EU supplier","prompt":"Before I pay this invoice, can you verify that the VAT number DE811193162 is valid and tell me the company name it belongs to?"},{"title":"Onboarding new B2B customer","prompt":"We're onboarding a new French client who gave us VAT number FR40303265045 — can you confirm it's active in VIES and get their registered business name and address?"},{"title":"Automated VAT validation in accounts payable","prompt":"I have a batch of vendor VAT numbers starting with this one: GB372098899 — can you check if it's valid and give me the VIES status and registered address?"}],"resultDescription":"A JSON object containing the validated VAT number, a boolean 'valid' flag, VIES status string (e.g. VALID/INVALID), company name, registered address, country code, format validity flag, data source (vies), and the timestamp of the request.","failureModes":["Invalid or malformed VAT number format returns formatValid: false","VAT number not found in VIES returns valid: false","VIES service temporarily unavailable causing lookup failure","Missing required 'vat' query parameter returns an error","Country prefix mismatch or unsupported country code"],"whenToPreferThis":"Use this endpoint when you need real-time VIES verification of EU VAT numbers, including Northern Ireland (XI prefix) and Greece (EL prefix), and want structured company data back without managing your own VIES integration. Prefer this over manual lookup when automating invoice processing, supplier onboarding, or compliance checks at $0.002 per call with no API key required.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-27T19:21:56.343Z","isFirstParty":false,"canonicalSlug":"fastx402-vat-number-validation-586b9846"}