Frequently Asked Questions

Frequently Asked Questions


Is a market party?

No. is the National Data Portal of the Dutch government. The data portal is managed by the Netherlands Publication Office (KOOP), which works on behalf the Ministry of the Interior and Kingdom Relations.

Does the portal itself also publish data?

Yes the portal also publishes data. If the data portal publishes a dataset, the data owner will be described as the Netherlands Publication Office (KOOP). However, most of the data on the portal are published by other government bodies. is primarily a reference index.

Can I apply for data that is not available yet?

We can always help you with searching for data. We can also contact government organizations to ask if the data are or will be available. You can submit a data request here. You cannot submit a Wob request with us, you can only do this at the relevant government organization.

Can I also publish my data on the portal?

This data portal is for data from the Dutch government. If you work for a (semi-) government organization, you can therefore publish government-related data on the portal. More information can be found here.

Can I also find applications made with open data on

In the Application Catalog you can have a look at which application have been developed by others. You can also add your own application to the catalog. 

I am looking for multiple datasets within the same domain. How can I find this on

On the Community page you will find more information on communities and groups. Here you will find multiple datasets within the same domain. 

Can I post news items about data on

Yes, that is certainly possible and highly appreciated. Please contact the team about it. Here you can read other news items

Where can I find information on how to use data?

On the support page you can find more information on how to use data.

Does organize open meetings?

We organize user meetings about two times a year. Please stay informed on the event page