Zoeken API

Yes. These are all search options in the API KVK Handelsregister Zoeken:

• Chamber of Commerce number
• RSIN
• Location number
• Name
• Street and place
• Postal code and house number (new)

Postal code and house number are not shown by default in the search result, unless they are searched for.

You can use the Zoeken API to retrieve the KVK number of a registration. You can then request additional data using one of the other APIs.

API Zoeken currently does not work like a Google search engine. Relevant search results are only displayed for specific searches, complete and without spelling errors.

Yes. You can view a maximum of 1000 search results.

No, this is not possible.

No, that is not possible at the moment.

Deregistered locations are filtered out of the results by default. Do you want to view this anyway? Then add “includelnactiveRegistrations” to the query.

Yes, the maximum length for the street name is 256 characters.