# EU VAT Number Validator (VIES)

> EU VAT Number Validator (VIES) is a paid API for AI agents from fittings.sh, paid per call via x402, $0.003/call, status unknown (last checked 2026-10-11).

Validates a European VAT number against the EU Commission VIES registry and returns the number's validity plus registered trader details where disclosed by the member state.

## Facts

- Endpoint: GET https://fittings.sh/v1/vat/eu-validate?utm_source=zero.xyz
- Price: $0.003/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-11
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/eu-vat-number-validator-vies-6ba77c54
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_DRlZT8v39-IQKUfaem3Vl

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability eu-vat-number-validator-vies-6ba77c54
```

Example prompt: Can you check if the VAT number DE811569869 is valid and tell me what company it's registered to?

## When to prefer this

Choose this endpoint when you need to verify EU business VAT registrations directly against the authoritative VIES registry — ideal for B2B invoicing compliance, supplier due diligence, EU reverse-charge VAT validation, or onboarding checks where you need both validity status and registered trader identity in a single call.

## Known failure modes

- Invalid VAT number format returns a validation error or invalid status
- Member state systems temporarily unavailable (VIES can have per-country downtime) may return a service unavailable response
- Country code mismatch between vatNumber prefix and countryCode parameter causes an error
- Non-EU VAT numbers are not supported
- Rate limit or payment failure may block the request

## How this service works

Validate an EU VAT number against the European Commission VIES registry, returning validity and the registered trader where the member state discloses it.

## Output

Returns whether the VAT number is valid (true/false), the queried VAT number, the member state, and where the country discloses it: the registered trader's name and address.

## Request schema (JSON Schema)

```json
{
 "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": [
      "vatNumber"
     ],
     "properties": {
      "vatNumber": {
       "type": "string",
       "description": "VAT number, with or without the country prefix, e.g. DE811569869"
      },
      "countryCode": {
       "type": "string",
       "description": "Member state code, if not already part of vatNumber"
      }
     }
    }
   },
   "additionalProperties": false
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/eu-vat-number-validator-vies-6ba77c54/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from fittings.sh](https://www.zero.xyz/host/fittings.sh/llms.txt)