diff --git a/pymisp/api.py b/pymisp/api.py
index d2bc34da3..cd5ff9394 100644
--- a/pymisp/api.py
+++ b/pymisp/api.py
@@ -200,14 +200,20 @@ def events(self, pythonify: bool=False) -> Union[dict, List[MISPEvent]]:
             to_return.append(e)
         return to_return
 
-    def get_event(self, event: Union[MISPEvent, int, str, UUID], deleted: Union[bool, int, list]=False, pythonify: bool=False) -> Union[dict, MISPEvent]:
+    def get_event(self, event: Union[MISPEvent, int, str, UUID], deleted: Union[bool, int, list]=False, extended: bool = False, pythonify: bool=False) -> Union[dict, MISPEvent]:
         '''Get an event from a MISP instance'''
         event_id = self.__get_uuid_or_id_from_abstract_misp(event)
         if deleted:
             data = {'deleted': deleted}
-            r = self._prepare_request('POST', f'events/view/{event_id}', data=data)
+            if extended:
+                r = self._prepare_request('POST', f'events/view/{event_id}/extended:{event_id}', data=data)
+            else:
+                r = self._prepare_request('POST', f'events/view/{event_id}', data=data)
         else:
-            r = self._prepare_request('GET', f'events/view/{event_id}')
+            if extended:
+                r = self._prepare_request('GET', f'events/view/{event_id}/extended:{event_id}')
+            else:
+                r = self._prepare_request('GET', f'events/view/{event_id}')
         event_r = self._check_json_response(r)
         if not (self.global_pythonify or pythonify) or 'errors' in event_r:
             return event_r
@@ -239,6 +245,17 @@ def update_event(self, event: MISPEvent, event_id: Optional[int]=None, pythonify
         e.load(updated_event)
         return e
 
+    def extend_event(self, event: MISPEvent, event_id: int, pythonify: bool=False) -> Union[dict, MISPEvent]:
+        '''Extends an event on a MISP instance'''
+        eid = self.__get_uuid_or_id_from_abstract_misp(event_id)
+        r = self._prepare_request('POST', f'events/add/extends/{eid}', data=event)
+        updated_event = self._check_json_response(r)
+        if not (self.global_pythonify or pythonify) or 'errors' in updated_event:
+            return updated_event
+        e = MISPEvent()
+        e.load(updated_event)
+        return e
+
     def delete_event(self, event: Union[MISPEvent, int, str, UUID]) -> dict:
         '''Delete an event from a MISP instance'''
         event_id = self.__get_uuid_or_id_from_abstract_misp(event)