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Hungarian VAT Number Validator
x402
Hungarian VAT Number Validator is a paid API for AI agents from toll402.dev, paid per call via x402, $0.001/call, status unknown (last checked 2026-09-14).
Validates a Hungarian EU VAT number (HU prefix) and returns whether it is valid
Price / call$0.001
Success—
StatusUnknown
How this service works
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.
Output
A JSON object with an 'ok' boolean indicating whether the Hungarian VAT number is valid and recognized.
Example use cases
Supplier onboarding VAT check
“We're onboarding a new Hungarian supplier and they gave us VAT number HU27654321 — can you verify it's a legitimate registered VAT number?”
Invoice compliance verification
“Before I issue an invoice to this Hungarian company, can you validate their VAT number HU98765432 to make sure it's EU-compliant?”
E-commerce checkout tax validation
“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.”
Technical details
Endpoint
POSThttps://toll402.dev/v1/t/vat_hu_validateWhen to prefer
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.
Side effects
- 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
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"ok": true
}
}Tags
x402
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