Overview
The VAT Validation API by Abstract API lets you check whether a VAT number is valid and look up current VAT rates for countries in the EU and beyond. It is useful for e-commerce apps that need to handle tax calculations correctly. You send a VAT number or country code, and get back validation status, business details, and applicable rates.
Beginner Tip
Always test with a known valid VAT number (e.g., GB123456789) before going to production to make sure your key and request format are correct.
Available Data
Example Response
{
"input": "[email protected]",
"is_valid": true,
"format_valid": true,
"details": "Input passes all validation checks"
} Field Reference
vat_number The VAT number exactly as you submitted it. is_valid Whether the VAT number passed validation against the VIES database. company_name Registered business name associated with the VAT number, if available. company_address Registered business address, if the authority provides it. country_code Two-letter ISO country code extracted from the VAT number prefix. Implementation Example
const url = "https://www.abstractapi.com/vat-validation-rates-api";
// Replace headers or query params with the values required by this API.
const response = await fetch(url, {
headers: {
"X-API-Key": "YOUR_API_KEY"
}
});
if (!response.ok) throw new Error(`Request failed: ${response.status}`);
const data = await response.json();
console.log(data); What Can You Build?
Note: These code examples are AI-generated and unverified. Always refer to the official API documentation for accurate usage.
Common Errors & Troubleshooting
Matrix Score Breakdown
Partially tested on Apr 5, 2026
Technical Specifications
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