Test your application for free with the Nederland Postcode API. No credit card required!

Postcode API for address validation in the Netherlands

Validate and look up Dutch addresses with one reliable API. Retrieve address details using postcode and house number, including street, city, municipality, province and coordinates.

9+ million
addresses, updated daily
Unlimited
websites & applications per subscription
from €59.99
per year, fixed price
1
[
2
  {
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    "postcode": "1118BN",
4
    "number": 800,
5
    "addition": null,
6
    "street": "Schiphol Boulevard",
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    "city": "Schiphol",
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    "municipality": "Haarlemmermeer",
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    "province": "Noord-Holland",
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    "country": "Nederland",
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    "coordinates": {
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      "latitude": 52.30528553688755,
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      "longitude": 4.750645160863609
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    }
15
  }
16
]
Complete address data
Retrieve Dutch address data using a postcode and house number, including street, neighborhood, district, city, municipality, province and coordinates.
Up-to-date BAG data
Our address data is based on the Dutch Basic Registration Addresses and Buildings (BAG) and data from Statistics Netherlands (CBS).
Easy integration
Integrate the API easily into your website or application with clear documentation, examples and ready-to-use plugins.

Everything you need for Dutch address data

9+ million up-to-date addresses
Get instant access to more than 9 million Dutch addresses. Our database is processed daily, so you can work with up-to-date address data.
Fast and reliable
With an average API response time of around 50 ms and 99.99% uptime, the API is built for websites and applications that rely on reliable address validation.
No large datasets to manage
No need to download, store and maintain tens of GB of address data. We manage the infrastructure and data, so you can focus on your own application.
Neighborhoods and districts
Enrich addresses with their corresponding neighborhood and district. Useful for real estate, logistics, analytics and other applications where location data matters.
Look up energy labels
Retrieve the energy label of a Dutch address using its postcode and house number. Ideal for real estate websites, agents and other applications working with property data.
Simple, transparent pricing
Plans start at €59.99 per year. That is less than €5 per month.

Built for developers and agencies

No complicated pricing models or expensive enterprise contracts. One fixed price per year, with which you can serve an unlimited number of your own or your clients' websites and applications.

Nederland Postcode API Other providers
Fixed price per year From €59.99 Often higher subscription costs
One license for all your websites Often per project or website
Predictable invoice
Database download available Often considerably more expensive
Energy label API included
District and neighborhood name included
Plugins for WooCommerce, Magento & more

View the full pricing.

Easy to integrate

Thanks to our partnership with Postcode Checkout, you can easily use our API with popular e-commerce platforms and forms.

Try the API

Enter a Dutch postcode and house number to look up an address via our API. On the right you'll see the JSON result returned by the API.

Enter a postcode and house number

Enter a Dutch postcode and house number to look up an address via our API.

Result

The retrieved address is shown here.

These companies rely on our API

Nina.care Label84 Fortea Fortea Connect MijnBuurhond
DeltaProto DeltaProto

Together with more than 50 other companies that build on our API every day.

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