KVK Handelsregister Zoeken API

With the Zoeken API you can look up companies in the Trade Register. You can then request the data using another API.

Endpoint

https://api.kvk.nl/api/v1/zoeken

Parameter	Type	Details
kvkNummer	string	Dutch KVK number. Consists of 8 digits.
rsin	string	Legal Entities and Partnerships Identification Number.
vestigingsnummer	string	Branch number. Unique number consisting of 12 digits.
handelsnaam	string	The name under which an establishment or legal entity trades. This can be: active or inactive statutory name, trade name, or name.
straatnaam	string
huisnummer	string	Only in combination with postal code.
huisnummerToevoeging	string	Optional. Only in combination with house number. Consists of 1 to 4 characters (letters, numbers, signs: -, +, space).
postcode	string	Only in combination with house number.
plaats	string
type	string	Filter by type: main branch, branch, and/or legal entity.
InclusiefInactieveRegistraties	boolean	Possible values are "true" or "false". Default value is "false".
pagina	integer	Minimum 1 and maximum 100.
aantal	integer	Choose the number of results per page. Default value is 10, maximum is 100.

Parameter	Type	Details English
pagina	integer	Indicates which page you are on. Starting from page 1.
aantal	integer	Number of search results per page.
totaal	integer	Total number of search results found.
vorige	string	Link to the previous page when available.
volgende	string	Link to the next page when available.

Parameter	Type	Details
kvkNummer	string	Dutch KVK number. Consists of 8 digits.
rsin	string	If RSIN is also input.
vestigingsnummer	string	Branch number. Unique number consisting of 12 digits.
handelsnaam	string	The name under which a branch or legal entity trades. This field contains the (statutory) name or the first trade name. If you searched for a name that is not the statutory or first trade name, we will show the trade name you used for your search query.
adresType	string	Indicates whether it's a correspondence or a visiting address
straatnaam	string
huisnummer	integer	If postal code and house number are also input.
huisnummerToevoeging	string	If postal code and house number are also input.
postcode	string	If postal code and house number are also input.
plaats	string
type	string	Main branch, branch office, and/or legal entity.
actief	string	Indicates whether a company/establishment/legal entity is registered (Yes) or deregistered (No).
vervallenNaam	string	Contains the expired trade name or statutory name with which this search result was found.
links	array	No links will be shown if the deregistration occurred before 22 May 2010 and if "active" is "false". 1. Link to the first search result. 2. Link to Basisprofiel (based on KVK number). 3. Link to Vestigingsprofiel (based on branch number).