{"uid":"cap_seBbcRqTb2dFry6t3IabH","slug":"eu-vat-number-validator-ceadf4e6","name":"EU VAT Number Validator","description":"60 paid endpoints with no metering, no API key and no account. Each endpoint has one flat price per call, whatever the size of the request: LLM completions with automatic failover across several large models, read-only EVM tooling over Base, Ethereum, Polygon, Arbitrum and Optimism, and pure crypto utilities that touch no network.","url":"https://flat-rate-llm.kikoribera03.workers.dev/v1/util/vat","method":"POST","headers":{},"bodySchema":{"type":"object","required":["vat"],"properties":{"vat":{"type":"string","description":"The VAT number, with or without the country prefix and with any spacing."}}},"responseSchema":{"type":"object","properties":{"vat":{"type":"string"},"valid":{"type":"boolean"},"country":{"type":"string"},"normalized":{"type":"string"},"formatValid":{"type":"boolean"},"checksumValid":{"type":"boolean"},"checksumVerified":{"type":"boolean"},"countriesWithChecksum":{"type":"number"}}},"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_59Zpq-zIRUWyBRGuVLgaT","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 single EU VAT number offline, checking country prefix, format, and check-digit algorithm where available, with explicit indication of whether checksum was verified.","exampleAgentPrompt":"Can you check whether the VAT number DE811197711 is valid — specifically whether the format is correct and if the check digit passes?","exampleUseCases":[{"title":"Cleaning a supplier data import","prompt":"I'm importing a list of European suppliers and need to validate their VAT numbers one at a time — can you check DE345789012 and tell me if the format and check digit are correct?"},{"title":"Onboarding form validation for EU businesses","prompt":"A user just entered 'FR 40 303 265 045' as their VAT number on our signup form — can you check if that's a valid French VAT number, including the checksum?"},{"title":"Compliance check before issuing B2B invoice","prompt":"Before I issue a zero-VAT invoice to this Belgian company, can you verify that the VAT number BE0428759497 is correctly formatted and passes the check-digit test?"}],"resultDescription":"Returns a JSON object with the original and normalized VAT number, a boolean valid flag, the detected country code, whether the format is valid, whether the checksum is valid, whether the checksum was actually verified (as opposed to only format-checked), and the count of EU countries for which checksum verification is supported.","failureModes":["Unrecognized or non-EU country prefix returns valid=false with no country match","Malformed input with unsupported characters may return formatValid=false","For countries without a published check-digit algorithm, checksumVerified is false and checksumValid may be null","Very unusual spacing or delimiter styles may prevent normalization"],"whenToPreferThis":"Choose this endpoint when you need fast, deterministic, offline EU VAT number validation without making a live call to the EU VIES database. It is ideal for batch-cleaning company lists, validating form inputs at scale, or any scenario where network latency or VIES availability is a concern. If you need to confirm a VAT number is currently active in the VIES registry (not just correctly formatted), you would need a live VIES lookup instead.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T18:49:05.165Z","isFirstParty":false}