EORI Validation API

Example request and response

The example from the /v2/eori documentation. Spaces, dots, dashes and lower case in eori_number are accepted. A number without its country prefix needs country_code, e.g. -d country_code=DE.

curl -G "https://api.vatcheckapi.com/v2/eori" \
  -d eori_number=DE4204891 \
  -H "apikey: YOUR-API-KEY"

{
  "country_code": "DE",
  "eori_number": "DE4204891",
  "format_valid": true,
  "registration_info": {
    "is_registered": true,
    "name": "Friedrich-Alexander-Universität Erlangen-Nürnberg",
    "address": "Freyeslebenstr. 1\n91058 Erlangen\nGermany",
    "address_parts": {
      "street": "Freyeslebenstr. 1",
      "postcode": "91058",
      "city": "Erlangen",
      "country": "Germany"
    },
    "checked_at": "2026-10-04T19:04:07Z"
  },
  "source": "eu_eos"
}

Response fields

country_code

The country prefix of the number: one of the 27 EU member states (GR for Greece), XI for Northern Ireland or GB.

eori_number

The number as it was checked: normalised, upper case, with its country prefix.

format_valid

Whether the number has a valid EORI format. If false, no register was asked.

registration_info.is_registered

Whether the register lists the number as a valid EORI number.

registration_info.name, registration_info.address

The trader's name and address, one line each for street, postcode and city, and country. null when the register published none.

registration_info.address_parts

street, postcode, city and country as the register publishes them, or null. HMRC sends no country, so country is null for GB numbers.

registration_info.checked_at

When the register was asked (UTC). null when the format is invalid.

source

The register that answered: hmrc for GB numbers, eu_eos (European Commission) for EU and XI numbers. null when the format is invalid.

Use cases

Frequently asked questions