class BoardModel(models.Model):
    board_title = models.CharField(
        ...
    )
    board_c_time = models.DateTimeField(
        ...
    )

urlpatterns = [
    re_path(r'^get_board(?P<pk>d*)$', views.GetBoard.as_view(), name="get-board"),
]

class GetBoardSerializer(serializers.ModelSerializer):
"""Board serializer."""

class Meta:
    model = BoardModel
    fields = ("id", "board_title", "board_c_time")

class GetBoard(APIView):
"""Get single board."""

def get_object(self, pk):
    """Search for the object."""
    try:
        return models.BoardModel.objects.get(pk=pk)
    except models.BoardModel.DoesNotExist:
        raise Http404

def get(self, request, pk, format=None):
    """GET method."""
    pk = int(request.query_params.get('pk'))
    obj = self.get_object(pk)
    serializer = GetBoardSerializer(obj)
    return Response(serializer.data)