KVK Developers Portal

Please note: you can no longer apply for this API. Current users can switch to the available APIs.

KVK Handelsregister Search

With KVK Handelsregister Search you can search for one or more companies with a number of search criteria (such as Chamber of Commerce number, branch number, RSIN, trade name and address). The result is a list, with which you can retrieve basic data from the Trade Register. The limit is 1,000 search results, maximum 10 results per page.

Costs of KVK Handelsregister Search

The use of this API is based on a set monthly subscription fee and an additional fee per request for information.

KVK API connection (= API key):

€ 5.15 per month (from January 1, 2022 € 5.20 per month)

KVK Handelsregister Search:

€ 0.008 per request

API Plan


300,000 per month

Rate limit:

100 per second