Validate an EU VAT number
Validate an EU VAT number: offline format and check-digit test plus a live lookup in the European Commission's VIES, returning registration status, company name and address. Busy or offline member states return 503 and are not charged. For B2B invoicing, KYB and onboarding agents.
Answeringour last check, 2026-10-31
1 of 1checks answered this week
1135 msmedian answer time
$0.01listed price per call
$0.01price it asked us
Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.
Endpoint
POST https://api.facts402.com/vat
| Category | Company and compliance |
|---|---|
| Provider host | api.facts402.com |
| Networks | eip155:8453 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 1 from 1 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-10-31 | valid payment request | 402 | $0.01 | 1135 ms |
Example input (from the provider)
{
"body": {
"vat_number": "IE6388047V"
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"properties": {
"vat_number": {
"description": "EU VAT number with country prefix, e.g. IE6388047V",
"pattern": "^[A-Za-z]{2}[A-Za-z0-9 .\\-]{2,20}$",
"title": "Vat Number",
"type": "string"
}
},
"required": [
"vat_number"
],
"title": "VatRequest",
"type": "object"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}