The date and time used to only get declarations updated since a certain timestamp. The format is according to ISO 8601 and can include a time zone offset, e.g. 2018-01-01T06:00:00+01:00 (careful about the plus getting properly percent-encoded when passed). Default time zone is Swiss time.
Defines the language (de/fr/it/en) for this request as query parameter. Either use the query param “lang” or header “Accept-Language”, not both.
Allowed values:defriten
Default:de