Postcode API for address validation
Validate and look up addresses in the Netherlands with our reliable postcode API. One fixed price per year, an unlimited number of websites and applications — no credits, no surprises on your invoice.
- 9+ million
- addresses, updated daily
- Unlimited
- websites & applications per subscription
- from €59.99
- per year, fixed price
- Easy integration
- Our API is designed for easy integration into your website or application, so you can get started with address validation quickly.
- Reliable data
- The data in our API is updated daily to ensure you always have access to the most accurate and up-to-date address information.
- Ease of use
- Users can enter addresses quickly and easily with our postcode API, improving the user experience on your site.
Why choose our postcode API?
- 9+ million addresses, always up to date
- Instant access to every current address in the Netherlands, automatically updated daily. No manual updates required.
- Fast, reliable and scalable
- Fast API response times (~50ms) and 99.99% uptime. Built for use in high-availability production environments.
- No hassle with large datasets
- No 30+ GB downloads or self-hosting required. Less storage, better performance, no development and maintenance costs.
- District and neighborhood name
- Automatically enrich addresses with their corresponding district and neighborhood name, such as "Centrum", "Zuidas" or "Jordaan".
- Energy label API
- Easily retrieve the energy label of an address with our Energy label API. Perfect for real estate websites, agents and energy comparison sites.
- Affordable and transparently priced
- From just €59.99 per year. That's 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
Easy integration with popular e-commerce platforms and forms. No technical knowledge required, just install a plugin and you're done!
And more plugins..
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
DeltaProto
Together with more than 50 other companies that build on our API every day.