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 streetnumbers.


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


postalCode

German 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 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 Germany Street No. Step by step