Quickstart

Have you tested our APIs and are you convinced? Then get started quickly with the application and installation.

Request API key

To use the APIs you need a user account and an API key. This provides access to the APIs.

Log in to My Developer Portal with your user account. Here you can:

Below is an example call to the Search API.

curl https://api.kvk.nl/api/v2/zoeken?naam=test -H "apikey: JOUWAPIKEY"

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.

In the API reference you will find useful information such as the input and output data, the Swagger UI and the endpoint.

You can use the Zoeken API to retrieve the KVK number of a registration.

Look up basic information of registrations with the KVK number.

Look up specific information of registrations with the location number.

Use the KVK number to retrieve trade names from a registration.