{"uid":"cap_xDQ432pRa0i4iuUlXsWPx","slug":"hungarian-vat-number-validator-9fd480d3","name":"Hungarian VAT Number Validator","description":"The OpenRouter for AI-agent tools: one gateway, one wallet, every capability. Built-in tools, forged tools, a global verified business directory and 2,000+ aggregated x402 services, all paid per call in USDC via x402 (HTTP 402). No signup, no API key.","url":"https://toll402.dev/v1/t/vat_hu_validate","method":"POST","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method","bodyType","body"],"properties":{"body":{"type":"object","required":["vatNumber"],"properties":{"vatNumber":{"type":"string","description":"Hungarian EU VAT number, e.g. HU12345676"}},"additionalProperties":false},"type":{"type":"string","const":"http"},"method":{"enum":["POST"],"type":"string"},"bodyType":{"enum":["json","form-data","text"],"type":"string"}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"ok":true}},"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_jfGkh-3MEcuHBlVHCXFPh","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 a Hungarian EU VAT number (HU prefix) and returns whether it is valid","exampleAgentPrompt":"Can you check if the Hungarian VAT number HU12345676 is valid?","exampleUseCases":[{"title":"Supplier onboarding VAT check","prompt":"We're onboarding a new Hungarian supplier and they gave us VAT number HU27654321 — can you verify it's a legitimate registered VAT number?"},{"title":"Invoice compliance verification","prompt":"Before I issue an invoice to this Hungarian company, can you validate their VAT number HU98765432 to make sure it's EU-compliant?"},{"title":"E-commerce checkout tax validation","prompt":"A customer at checkout entered HU11223344 as their Hungarian VAT number for a B2B purchase — please validate it so we can apply the correct tax treatment."}],"resultDescription":"A JSON object with an 'ok' boolean indicating whether the Hungarian VAT number is valid and recognized.","failureModes":["Invalid VAT number format returns ok: false","VAT number not found in Hungarian tax authority records","Missing vatNumber field returns a validation error","Malformed HU prefix or wrong digit count causes rejection","Payment failure via x402 if USDC balance is insufficient"],"whenToPreferThis":"Use this endpoint when you need to programmatically validate a Hungarian (HU-prefixed) EU VAT number for compliance, invoicing, supplier onboarding, or tax purposes, and want pay-per-call access with no API key or subscription required.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T12:49:43.105Z","isFirstParty":false}