VAT ID Check

Validate EU VAT IDs. Supports simple format validation and qualified checks with company data cross-verification.

Method: vatIdCheck

API KeyNot set

Stored in localStorage — never sent to this site.

Parameters

VAT ID *

Requester VAT ID (qualified) Required for qualified check

Company Name (qualified)

Company Postal Code (qualified)

Company Locality (qualified)

Company Street + Nr (qualified)

Request Preview

{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "vatIdCheck",
  "params": {}
}

Set an API key above to enable live requests.

Two Modes

Simple Mode

Validates format and existence only.

{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "vatIdCheck",
  "params": {
    "vatId": "DE297464149"
  }
}

Qualified Mode

Validates VAT ID and cross-checks company name and address against the EU VIES system / BZST. Returns a certification certificate.

Approval required

Qualified checks require implementation approval from Endereco. Contact support@endereco.de.

Parameters

Field	Required	Type	Description
vatId	Yes	String	VAT ID to check
requesterVatID	Qualified	String	Your own VAT ID
companyName	Qualified	String	Company name to verify
companyPostalCode	Qualified	String	Postal code
companyLocality	Qualified	String	City
companyStreetFull	Qualified*	String	Street + house number combined
companyStreet	Qualified*	String	Street name only
companyHouseNumber	Qualified*	String	House number only
timeout	No	Int	Timeout 5–60s (default 60)
allowCache	No	Boolean	Allow cached responses (default true)

*Either companyStreetFull or (companyStreet + companyHouseNumber)

Response (Qualified)

{
  "result": {
    "predictions": [
      {
        "vatId": "DE297464149",
        "companyName": "endereco UG (haftungsbeschränkt) ...",
        "companyAddress": "Balthasar-Neumann Str. 4 b, 97236, Randersacker",
        "companyAddressFormatted": {
          "streetFull": "Balthasar-Neumann Str. 4 b",
          "postCode": "97236",
          "cityName": "Randersacker",
          "country": "DE"
        }
      }
    ],
    "certification": {
      "ErrorCode": "200",
      "Date": "18.05.2026",
      "Time": "11:31:57",
      "Type": "BZST"
    },
    "status": [
      "vat_id_valid",
      "vat_id_format_correct",
      "vat_id_company_address_match"
    ]
  }
}

Status Codes

Code	Meaning
vat_id_valid	VAT ID is valid
vat_id_invalid	VAT ID is invalid
vat_id_unknown_status	Cannot determine validity
vat_id_format_correct	Format is valid for country
vat_id_format_invalid	Format error
vat_id_company_name_match	Company name matches
vat_id_company_name_mismatch	Company name does not match
vat_id_company_address_match	Address matches
vat_id_company_address_mismatch	Address does not match
vat_id_company_postal_code_match	Postal code matches
vat_id_company_locality_match	City matches

BZST Certification Codes

Code	Meaning
200	Valid
201	Invalid
205	Query temporarily unavailable
206	Requester's German VAT ID is invalid
213	Not authorized to query German VAT ID

Qualified Check Example

{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "vatIdCheck",
  "params": {
    "vatId": "DE297464149",
    "requesterVatID": "DE297464149",
    "companyName": "endereco",
    "companyPostalCode": "97236",
    "companyLocality": "Randersacker",
    "companyStreetFull": "Balthasar-Neumann Str. 4b"
  }
}