From cdc735fe41e1c51d6cd496f7b449adf20b240798 Mon Sep 17 00:00:00 2001
From: Jeremy Stretch <jstretch@netboxlabs.com>
Date: Fri, 30 Jan 2026 14:47:44 -0500
Subject: [PATCH] Closes #21302: Avoid redundant uniqueness checks in REST API
 serializers

---
 netbox/netbox/api/serializers/base.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/netbox/netbox/api/serializers/base.py b/netbox/netbox/api/serializers/base.py
index f60b41ae9..0aa1385b0 100644
--- a/netbox/netbox/api/serializers/base.py
+++ b/netbox/netbox/api/serializers/base.py
@@ -112,6 +112,7 @@ class ValidatedModelSerializer(BaseModelSerializer):
             for k, v in attrs.items():
                 setattr(instance, k, v)
         instance._m2m_values = m2m_values
-        instance.full_clean()
+        # Skip uniqueness validation of individual fields inside `full_clean()` (this is handled by the serializer)
+        instance.full_clean(validate_unique=False)
 
         return data