Technical documentation can be found here
Data storage: Only data necessary for invoicing and customer usage is stored by Dun & Bradstreet.
All searches on private individuals in FREG are stored at the National Population Register (FREG) where private individuals can check who has made inquiries about them, at any given time.
Changes and versioning
API version is provided in the base of the requested URL in the form of "v1", "v2" etc. Only major version numbers are used.
API versions are raised only on breaking (i.e., backwards incompatible) changes in the API. Fields may be added but will never be removed during an API version lifecycle. When developing your application, take care to ensure that your application is able to handle additional fields.
For questions and support, please contact our customer service at Dun & Bradstreet Norway AS firstname.lastname@example.org