{"uid":"cap_W5RIPoEQqhlPGUxRQb4f_","slug":"synergy-vat-number-validation-eu-vies-91b20156","name":"Synergy VAT Number Validation (EU VIES)","description":"Validate a European VAT number against the EU VIES register (keyless deterministic lookup of the European Commission checkVatService).","url":"https://api.exo-trust.com/execute/validate_vat","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"vat_number":{"type":"string"},"country_code":{"type":"string"}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","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":"$0.005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_AlCVmUgsxtGINy3gjcL1g","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Validates a European VAT number against the EU VIES register to confirm its authenticity and registration status.","exampleAgentPrompt":"Can you check if the VAT number DE123456789 is valid for Germany by looking it up against the EU VIES register?","exampleUseCases":[{"title":"Supplier onboarding VAT check","prompt":"Before we add this new supplier to our system, can you verify their VAT number IT12345678901 is legitimately registered in Italy?"},{"title":"Invoice validation before payment","prompt":"We received an invoice from a French company with VAT number FR12345678901 — can you confirm that number is valid in the EU VIES database before we process payment?"},{"title":"Customer tax exemption verification","prompt":"A B2B customer in the Netherlands claims they're VAT-exempt and gave us NL123456789B01 as their VAT number — can you verify it's actually registered?"}],"resultDescription":"Returns whether the provided VAT number is valid and registered in the EU VIES system, along with any available registration details such as company name and address tied to the VAT number.","failureModes":["Invalid or malformed VAT number format returns a validation error","Country code not matching a recognized EU member state returns an error","VIES register temporarily unavailable causes a service timeout or error response","VAT number not found in VIES returns a 'not valid' or 'not registered' result","Missing required fields (vat_number or country_code) returns a 400-level error"],"whenToPreferThis":"Use this endpoint when you need a deterministic, authoritative lookup of a European VAT number against the official EU VIES register. Prefer it for B2B invoicing compliance, supplier onboarding, or fraud prevention workflows where you need to confirm a VAT number is genuinely registered — not just formatted correctly. It is keyless (no separate API key required) and returns an authoritative result from the European Commission's own service.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T18:47:37.250Z","isFirstParty":false}