Documentation

API Documentation

Integrating VAT validation with VatValidate.com is fast and simple. Just make a single HTTP request to our API and get structured validation results in real time.

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Your API Key

To authenticate requests, include your unique API key in the query string. You can find your API key in your dashboard.

Important: Keep your API key safe. If it becomes compromised or you need to revoke it, please contact us.

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Validate a VAT Number

Send a GET request to the following URL:

https://vatvalidate.com/api/vat/validate/[vatNumber]?api-key=[API KEY]

Parameters:

• [vatNumber] – The VAT number you want to validate (e.g., IE6388047V)
• [API KEY] – Your personal API key

Example Request:

GET https://vatvalidate.com/api/vat/validate/IE6388047V?api-key=[API KEY]

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Example Response

{
  "valid": true,
  "vatNumber": "IE6388047V",
  "countryCode": "IE",
  "name": "GOOGLE IRELAND LIMITED",
  "address": "GORDON HOUSE, BARROW STREET, DUBLIN 4"
}

If the VAT number is invalid, the response will include "valid": false and no company information.

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Rate Limits

Your monthly request limit depends on your subscription plan. See the pricing page for details.

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Need Help?

Check our FAQ or contact support if you have questions or run into issues.