diff --git a/routingpy/routers/heremaps.py b/routingpy/routers/heremaps.py
index ae584e9..2687eca 100644
--- a/routingpy/routers/heremaps.py
+++ b/routingpy/routers/heremaps.py
@@ -288,6 +288,7 @@ def directions(  # noqa: C901
         custom_consumption_details=None,
         speed_profile=None,
         dry_run=None,
+        **kwargs
     ):
         """Get directions between an origin point and a destination point.
 
@@ -842,6 +843,7 @@ def isochrones(  # noqa: C901
         custom_consumption_details=None,
         speed_profile=None,
         dry_run=None,
+        **kwargs
     ):
         """Gets isochrones or equidistants for a range of time/distance values around a given set of coordinates.
 
@@ -1128,6 +1130,7 @@ def matrix(  # noqa: C901
         tunnel_category=None,
         speed_profile=None,
         dry_run=None,
+        **kwargs
     ):
         """Gets travel distance and time for a matrix of origins and destinations.
 
diff --git a/routingpy/routers/mapbox_osrm.py b/routingpy/routers/mapbox_osrm.py
index 819fd7f..b6cd17f 100644
--- a/routingpy/routers/mapbox_osrm.py
+++ b/routingpy/routers/mapbox_osrm.py
@@ -114,6 +114,7 @@ def directions(  # noqa: C901
         waypoint_names=None,
         waypoint_targets=None,
         dry_run=None,
+        **kwargs
     ):
         """Get directions between an origin point and a destination point.
 
@@ -350,6 +351,7 @@ def isochrones(
         denoise=None,
         generalize=None,
         dry_run=None,
+        **kwargs
     ):
         """Gets isochrones or equidistants for a range of time values around a given set of coordinates.
 
@@ -444,6 +446,7 @@ def matrix(
         annotations=None,
         fallback_speed=None,
         dry_run=None,
+        **kwargs
     ):
         """
         Gets travel distance and time for a matrix of origins and destinations.
diff --git a/routingpy/routers/openrouteservice.py b/routingpy/routers/openrouteservice.py
index 50da3a5..0683892 100644
--- a/routingpy/routers/openrouteservice.py
+++ b/routingpy/routers/openrouteservice.py
@@ -122,6 +122,7 @@ def directions(  # noqa: C901
         suppress_warnings=None,
         options=None,
         dry_run=None,
+        **kwargs
     ):
         """Get directions between an origin point and a destination point.
 
@@ -382,6 +383,7 @@ def isochrones(
         attributes=None,
         intersections=None,
         dry_run=None,
+        **kwargs
     ):
         """Gets isochrones or equidistants for a range of time/distance values around a given set of coordinates.
 
@@ -490,6 +492,7 @@ def matrix(
         resolve_locations=None,
         units=None,
         dry_run=None,
+        **kwargs
     ):
         """Gets travel distance and time for a matrix of origins and destinations.
 
diff --git a/routingpy/routers/valhalla.py b/routingpy/routers/valhalla.py
index e57d444..234028f 100644
--- a/routingpy/routers/valhalla.py
+++ b/routingpy/routers/valhalla.py
@@ -300,6 +300,7 @@ def isochrones(  # noqa: C901
         show_locations=None,
         id=None,
         dry_run=None,
+        **kwargs
     ):
         """Gets isochrones or equidistants for a range of time values around a given set of coordinates.
 
@@ -514,6 +515,7 @@ def matrix(
         units=None,
         id=None,
         dry_run=None,
+        **kwargs
     ):
         """
         Gets travel distance and time for a matrix of origins and destinations.
@@ -676,6 +678,7 @@ def expansion(
         date_time: Optional[dict] = None,
         id: Optional[str] = None,
         dry_run: Optional[bool] = None,
+        **kwargs
     ) -> Expansions:
         """Gets the expansion tree for a range of time or distance values around a given coordinate.