diff --git a/nylas/resources/calendars.py b/nylas/resources/calendars.py
index 40a2913d..db50f9ba 100644
--- a/nylas/resources/calendars.py
+++ b/nylas/resources/calendars.py
@@ -128,11 +128,11 @@ def get_availability(
         """
         json_response = self._http_client._execute(
             method="POST",
-            path=f"/v3/grants/{identifier}/calendar/availability",
+            path=f"/v3/calendar/availability",
             request_body=request_body,
         )
 
-        return Response.from_dict(json_response, GetAvailabilityResponse)
+        return Response(json_response, GetAvailabilityResponse)
 
     def get_free_busy(
         self, identifier: str, request_body: GetFreeBusyRequest