Advantages of the address check
Fast checkout, higher conversion
Type a few characters and the full address appears. A smooth address entry speeds up your checkout and makes customers happy.
The right address, worldwide
Our data is sourced from reliable international postal and parcel companies. So you always know every address is correct.
Easy to integrate
With our API or plug‑in, you can easily connect the address check to your webshop. Whether you use Magento or WooCommerce.
How does the address check work?
- 1
Connect the address check to your webshop
Use the API or one of our plug-ins such as Magento, Shopware or WooCommerce*. Not sure how to proceed? No worries, we’re happy to help.
- 2
Enter the address in the checkout
Your customer is about to place an order. So you want a smooth checkout. As soon as they type a few letters or numbers, the address check instantly suggests matching addresses.
- 3
Complete the order
Your customer selects the correct address and completes the order with confidence. This leads to satisfied customers and higher conversion for your webshop!
*Currently, the WooCommerce and Magento 2 plug-ins are only available for address check in the Netherlands, not internationally.
What does the address check cost?
The address check is free for customers with a parcel contract with PostNL. This applies to addresses within the Benelux. International validation is available from €0.02 per check (per API call). Choose a bundle that matches the number of addresses you want to verify.
You can request the address check in our E-Commerce Lab. Simply log in with the same credentials as your Mijn PostNL Zakelijk account.
What do other customers say?

Sensiseeds IT Manager
Superyoga Owner

