The API key is required for all requests and must be included as a query parameter named `authKey`. You can obtain your API key from the [portal](/portal).


authKey

Deduce a complete or probable address based on incomplete, ambiguous, or partial input.

This will give autocomplete suggestions for Belgian post boxes.

Only street is required but a call must contain at least one of the following parameters:
* `postalCode`
* `settlement`


The address's postal code which can be up to four digits long.


postalCode

Belgium postalCode

The address's settlement (city, town, village, or hamlet).


settlement

street

streetNumber

The address's street number and premise (extension/addition).


streetNumberAndPremise

premise

The box identifier, excluding any prefixes such as "box", "bus", "bte", or "boîte". If provided, these prefixes will be automatically removed.


The amount of results returned, a number between `0` and `999`. Default value is `10`.


maxResults

The page to return, the variables for the next/previous pages can be found in the results Link header.


Suggest Belgium box Step by step