diff --git a/docs/release-notes/version-2.11.md b/docs/release-notes/version-2.11.md
index eac4bd90d..dfe92425f 100644
--- a/docs/release-notes/version-2.11.md
+++ b/docs/release-notes/version-2.11.md
@@ -4,6 +4,7 @@
 
 ### Bug Fixes
 
+* [#6456](https://github.com/netbox-community/netbox/issues/6456) - API schema type should be boolean for `_occupied` on cable termination models
 * [#6710](https://github.com/netbox-community/netbox/issues/6710) - Fix assignment of VM interface parent via REST API
 * [#6714](https://github.com/netbox-community/netbox/issues/6714) - Fix rendering of device type component creation forms
 
diff --git a/netbox/dcim/api/serializers.py b/netbox/dcim/api/serializers.py
index 377449140..d9b36e9f2 100644
--- a/netbox/dcim/api/serializers.py
+++ b/netbox/dcim/api/serializers.py
@@ -25,6 +25,7 @@ from .nested_serializers import *
 class CableTerminationSerializer(serializers.ModelSerializer):
     cable_peer_type = serializers.SerializerMethodField(read_only=True)
     cable_peer = serializers.SerializerMethodField(read_only=True)
+    _occupied = serializers.SerializerMethodField(read_only=True)
 
     def get_cable_peer_type(self, obj):
         if obj._cable_peer is not None:
@@ -42,6 +43,10 @@ class CableTerminationSerializer(serializers.ModelSerializer):
             return serializer(obj._cable_peer, context=context).data
         return None
 
+    @swagger_serializer_method(serializer_or_field=serializers.BooleanField)
+    def get__occupied(self, obj):
+        return obj._occupied
+
 
 class ConnectedEndpointSerializer(serializers.ModelSerializer):
     connected_endpoint_type = serializers.SerializerMethodField(read_only=True)