This is the Authorization key. You have to add it as a GET parameter.
Your auth key can be found on the [CMS](https://www.pro6pp.nl/cms).


authKey

This will remove a feedback item for the user calling


The partial postalCode contains at least 1 digit.


postalCode

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


This will list all DE feedback items for the user calling


This will add a streetnumber to the database for later use by the user


Feedback allows you to manage addresses missing in Germany