> For the complete documentation index see https://domscan.net/llms.txt. Markdown versions of every docs page are available by appending .md to the page URL.

Source: https://domscan.net/fr/docs/products/vat-validation

# API API de validation de numéro de TVA

Vérifiez si un numéro de TVA est valide et enregistré. Utilisez cette référence pour choisir une opération et intégrer son contrat de réponse documenté.

[Voir la page du produit](https://domscan.net/fr/vat-validation-api)

## Opérations

GET `/v1/vat/validate` [Voir la référence API](https://domscan.net/fr/docs/products/vat-validation#validateVatNumber)

## GET `/v1/vat/validate`

Opération: `validateVatNumber`
Crédits et authentification: 1
Authentification requise

GET /v1/vat/validate Crédits: 1

#### Paramètres de requête

| Paramètre | Type | requis |
| --- | --- | --- |
| vat | string | requis |
| country | string Valeurs autorisées `AT`, `BE`, `BG`, `CY`, `CZ`, `DE`, `DK`, `EE`, `EL`, `GR`, `ES`, `FI`, `FR`, `HR`, `HU`, `IE`, `IT`, `LT`, `LU`, `LV`, `MT`, `NL`, `PL`, `PT`, `RO`, `SE`, `SI`, `SK`, `XI`, `GB`, `UK`, `CH`, `NO`, `AU` | optionnel |
| requester | string | optionnel |

#### Champs de réponse

| Champ | Type |
| --- | --- |
| `input` | string |
| `vat_number` | string |
| `number` | string |
| `country_code` | string |
| `status` | string |
| `valid` | boolean \| null |
| `reason` | string |
| `format_valid` | boolean |
| `checksum` | string |
| `registered_name` | string \| null |
| `registered_address` | string \| null |
| `name_disclosed` | boolean \| null |
| `consultation_number` | string \| null |
| `upstream_code` | string \| null |
| `source` | object |
| `source.id` | string |
| `source.authority` | string |
| `source.url` | string \| null |
| `source.checked_at` | string |
| `details` | object |
| `details.organization_number` | string |
| `details.organization_form` | object |
| `details.organization_form.code` | string |
| `details.organization_form.description` | string \| null |
| `details.vat_registered` | boolean \| null |
| `details.vat_registered_since` | string \| null |
| `details.deleted` | boolean |
| `details.deleted_on` | string \| null |
| `details.bankrupt` | boolean \| null |
| `details.under_liquidation` | boolean \| null |
| `details.under_forced_liquidation` | boolean \| null |

#### Exemple de requête

```bash
curl -H "X-API-Key: $DOMSCAN_API_KEY" "https://domscan.net/v1/vat/validate?vat=example&country=AT&requester=example"
```

```javascript
const response = await fetch("https://domscan.net/v1/vat/validate?vat=example&country=AT&requester=example", {
  headers: { "X-API-Key": process.env.DOMSCAN_API_KEY },
});
const data = await response.json();
console.log(data);
```

```python
import os
import requests

response = requests.get(
    "https://domscan.net/v1/vat/validate?vat=example&country=AT&requester=example",
    headers={"X-API-Key": os.environ["DOMSCAN_API_KEY"]},
)
print(response.json())
```

```go
package main

import (
	"fmt"
	"io"
	"net/http"
	"os"
)

func main() {
	req, err := http.NewRequest(http.MethodGet, "https://domscan.net/v1/vat/validate?vat=example&country=AT&requester=example", nil)
	if err != nil {
		panic(err)
	}
	req.Header.Set("X-API-Key", os.Getenv("DOMSCAN_API_KEY"))

	resp, err := http.DefaultClient.Do(req)
	if err != nil {
		panic(err)
	}
	defer resp.Body.Close()

	data, err := io.ReadAll(resp.Body)
	if err != nil {
		panic(err)
	}
	fmt.Println(resp.Status, string(data))
}
```

```ruby
require "json"
require "net/http"

uri = URI("https://domscan.net/v1/vat/validate?vat=example&country=AT&requester=example")
request = Net::HTTP::Get.new(uri)
request["X-API-Key"] = ENV.fetch("DOMSCAN_API_KEY")

response = Net::HTTP.start(uri.hostname, uri.port, use_ssl: true) do |http|
  http.request(request)
end
puts JSON.pretty_generate(JSON.parse(response.body))
```

#### Exemple de réponse

```json
{
  "input": "NO923609016MVA",
  "vat_number": "NO923609016MVA",
  "number": "923609016",
  "country_code": "NO",
  "status": "valid",
  "valid": true,
  "reason": "active_vat_registration",
  "format_valid": true,
  "checksum": "valid",
  "registered_name": "EQUINOR ASA",
  "registered_address": "Forusbeen 50, 4035 STAVANGER, Norge",
  "name_disclosed": true,
  "consultation_number": null,
  "upstream_code": null,
  "source": {
    "id": "brreg",
    "authority": "bronnoysund_register_centre",
    "url": "https://data.brreg.no/enhetsregisteret/api/enheter/923609016",
    "checked_at": "2026-10-18T03:58:55.722Z"
  },
  "details": {
    "organization_number": "923609016",
    "organization_form": {
      "code": "ASA",
      "description": "Allmennaksjeselskap"
    },
    "vat_registered": true,
    "vat_registered_since": "1989-07-01",
    "deleted": false,
    "deleted_on": null,
    "bankrupt": false,
    "under_liquidation": false,
    "under_forced_liquidation": false
  }
}
```

#### Codes de statut HTTP

- `200` OK
- `400` Requête incorrecte
- `401` Non autorisé
- `402` Paiement requis
- `429` Trop de requêtes

## Ressources de référence

[OpenAPI 3.0](https://domscan.net/v1/openapi.json)
[Postman](https://domscan.net/v1/postman.json)
[MCP](https://domscan.net/fr/mcp-domain-checker)