diff --git a/api/core/ops/utils.py b/api/core/ops/utils.py
index 573e8cac88..cc9fc20b30 100644
--- a/api/core/ops/utils.py
+++ b/api/core/ops/utils.py
@@ -90,10 +90,7 @@ def validate_url(url: str, default_url: str, allowed_schemes: tuple = ("https",
     if parsed.scheme not in allowed_schemes:
         raise ValueError(f"URL scheme must be one of: {', '.join(allowed_schemes)}")
 
-    # Reconstruct URL with only scheme, netloc (removing path, query, fragment)
-    normalized_url = f"{parsed.scheme}://{parsed.netloc}"
-
-    return normalized_url
+    return url
 
 
 def validate_url_with_path(url: str, default_url: str, required_suffix: str | None = None) -> str:
diff --git a/api/tests/unit_tests/core/ops/test_config_entity.py b/api/tests/unit_tests/core/ops/test_config_entity.py
index 81cb04548d..df37e918ca 100644
--- a/api/tests/unit_tests/core/ops/test_config_entity.py
+++ b/api/tests/unit_tests/core/ops/test_config_entity.py
@@ -66,7 +66,7 @@ class TestArizeConfig:
     def test_endpoint_validation_with_path(self):
         """Test endpoint validation normalizes URL by removing path"""
         config = ArizeConfig(endpoint="https://custom.arize.com/api/v1")
-        assert config.endpoint == "https://custom.arize.com"
+        assert config.endpoint == "https://custom.arize.com/api/v1"
 
     def test_endpoint_validation_invalid_scheme(self):
         """Test endpoint validation rejects invalid schemes"""
@@ -104,7 +104,7 @@ class TestPhoenixConfig:
     def test_endpoint_validation_with_path(self):
         """Test endpoint validation normalizes URL by removing path"""
         config = PhoenixConfig(endpoint="https://custom.phoenix.com/api/v1")
-        assert config.endpoint == "https://custom.phoenix.com"
+        assert config.endpoint == "https://custom.phoenix.com/api/v1"
 
 
 class TestLangfuseConfig:
@@ -321,7 +321,7 @@ class TestAliyunConfig:
         config = AliyunConfig(
             license_key="test_license", endpoint="https://tracing-analysis-dc-hz.aliyuncs.com/api/v1/traces"
         )
-        assert config.endpoint == "https://tracing-analysis-dc-hz.aliyuncs.com"
+        assert config.endpoint == "https://tracing-analysis-dc-hz.aliyuncs.com/api/v1/traces"
 
     def test_endpoint_validation_invalid_scheme(self):
         """Test endpoint validation rejects invalid schemes"""
@@ -366,9 +366,9 @@ class TestConfigIntegration:
             license_key="test_license", endpoint="https://tracing-analysis-dc-hz.aliyuncs.com/api/v1/traces"
         )
 
-        assert arize_config.endpoint == "https://arize.com"
-        assert phoenix_config.endpoint == "https://phoenix.com"
-        assert aliyun_config.endpoint == "https://tracing-analysis-dc-hz.aliyuncs.com"
+        assert arize_config.endpoint == "https://arize.com/api/v1/test"
+        assert phoenix_config.endpoint == "https://phoenix.com/api/v2/"
+        assert aliyun_config.endpoint == "https://tracing-analysis-dc-hz.aliyuncs.com/api/v1/traces"
 
     def test_project_default_values(self):
         """Test that project default values are set correctly"""
diff --git a/api/tests/unit_tests/core/ops/test_utils.py b/api/tests/unit_tests/core/ops/test_utils.py
index 7cc2772acf..98c50e34a8 100644
--- a/api/tests/unit_tests/core/ops/test_utils.py
+++ b/api/tests/unit_tests/core/ops/test_utils.py
@@ -19,17 +19,17 @@ class TestValidateUrl:
     def test_url_with_path_removed(self):
         """Test that URL path is removed during normalization"""
         result = validate_url("https://example.com/api/v1/test", "https://default.com")
-        assert result == "https://example.com"
+        assert result == "https://example.com/api/v1/test"
 
     def test_url_with_query_removed(self):
         """Test that URL query parameters are removed"""
         result = validate_url("https://example.com?param=value", "https://default.com")
-        assert result == "https://example.com"
+        assert result == "https://example.com?param=value"
 
     def test_url_with_fragment_removed(self):
         """Test that URL fragments are removed"""
         result = validate_url("https://example.com#section", "https://default.com")
-        assert result == "https://example.com"
+        assert result == "https://example.com#section"
 
     def test_empty_url_returns_default(self):
         """Test empty URL returns default"""