docs: def _create_delete_request(self, resource, billomat_id):
          """
          Creates a post request and return the response data
          """
          assert (isinstance(resource, str))
  
          if isinstance(billomat_id, int):
              billomat_id = str(billomat_id)
  
          response = self.session.delete(
              url=self.api_url + resource + '/' + billomat_id,
          )
  
          return self._handle_response(response)