diff --git a/litellm/proxy/_types.py b/litellm/proxy/_types.py
index c68f585405..491c64611f 100644
--- a/litellm/proxy/_types.py
+++ b/litellm/proxy/_types.py
@@ -650,9 +650,9 @@ class GenerateRequestBase(LiteLLMPydanticObjectBase):
     allowed_cache_controls: Optional[list] = []
     config: Optional[dict] = {}
     permissions: Optional[dict] = {}
-    model_max_budget: Optional[
-        dict
-    ] = {}  # {"gpt-4": 5.0, "gpt-3.5-turbo": 5.0}, defaults to {}
+    model_max_budget: Optional[dict] = (
+        {}
+    )  # {"gpt-4": 5.0, "gpt-3.5-turbo": 5.0}, defaults to {}
 
     model_config = ConfigDict(protected_namespaces=())
     model_rpm_limit: Optional[dict] = None
@@ -908,12 +908,12 @@ class NewCustomerRequest(BudgetNewRequest):
     alias: Optional[str] = None  # human-friendly alias
     blocked: bool = False  # allow/disallow requests for this end-user
     budget_id: Optional[str] = None  # give either a budget_id or max_budget
-    allowed_model_region: Optional[
-        AllowedModelRegion
-    ] = None  # require all user requests to use models in this specific region
-    default_model: Optional[
-        str
-    ] = None  # if no equivalent model in allowed region - default all requests to this model
+    allowed_model_region: Optional[AllowedModelRegion] = (
+        None  # require all user requests to use models in this specific region
+    )
+    default_model: Optional[str] = (
+        None  # if no equivalent model in allowed region - default all requests to this model
+    )
 
     @model_validator(mode="before")
     @classmethod
@@ -935,12 +935,12 @@ class UpdateCustomerRequest(LiteLLMPydanticObjectBase):
     blocked: bool = False  # allow/disallow requests for this end-user
     max_budget: Optional[float] = None
     budget_id: Optional[str] = None  # give either a budget_id or max_budget
-    allowed_model_region: Optional[
-        AllowedModelRegion
-    ] = None  # require all user requests to use models in this specific region
-    default_model: Optional[
-        str
-    ] = None  # if no equivalent model in allowed region - default all requests to this model
+    allowed_model_region: Optional[AllowedModelRegion] = (
+        None  # require all user requests to use models in this specific region
+    )
+    default_model: Optional[str] = (
+        None  # if no equivalent model in allowed region - default all requests to this model
+    )
 
 
 class DeleteCustomerRequest(LiteLLMPydanticObjectBase):
@@ -1076,9 +1076,9 @@ class BlockKeyRequest(LiteLLMPydanticObjectBase):
 
 class AddTeamCallback(LiteLLMPydanticObjectBase):
     callback_name: str
-    callback_type: Optional[
-        Literal["success", "failure", "success_and_failure"]
-    ] = "success_and_failure"
+    callback_type: Optional[Literal["success", "failure", "success_and_failure"]] = (
+        "success_and_failure"
+    )
     callback_vars: Dict[str, str]
 
     @model_validator(mode="before")
@@ -1335,9 +1335,9 @@ class ConfigList(LiteLLMPydanticObjectBase):
     stored_in_db: Optional[bool]
     field_default_value: Any
     premium_field: bool = False
-    nested_fields: Optional[
-        List[FieldDetail]
-    ] = None  # For nested dictionary or Pydantic fields
+    nested_fields: Optional[List[FieldDetail]] = (
+        None  # For nested dictionary or Pydantic fields
+    )
 
 
 class ConfigGeneralSettings(LiteLLMPydanticObjectBase):
@@ -1604,9 +1604,9 @@ class LiteLLM_OrganizationMembershipTable(LiteLLMPydanticObjectBase):
     budget_id: Optional[str] = None
     created_at: datetime
     updated_at: datetime
-    user: Optional[
-        Any
-    ] = None  # You might want to replace 'Any' with a more specific type if available
+    user: Optional[Any] = (
+        None  # You might want to replace 'Any' with a more specific type if available
+    )
     litellm_budget_table: Optional[LiteLLM_BudgetTable] = None
 
     model_config = ConfigDict(protected_namespaces=())
@@ -1671,6 +1671,8 @@ class LiteLLM_UserTable(LiteLLMPydanticObjectBase):
     budget_duration: Optional[str] = None
     budget_reset_at: Optional[datetime] = None
     metadata: Optional[dict] = None
+    created_at: Optional[datetime] = None
+    updated_at: Optional[datetime] = None
 
     @model_validator(mode="before")
     @classmethod
@@ -2352,9 +2354,9 @@ class TeamModelDeleteRequest(BaseModel):
 # Organization Member Requests
 class OrganizationMemberAddRequest(OrgMemberAddRequest):
     organization_id: str
-    max_budget_in_organization: Optional[
-        float
-    ] = None  # Users max budget within the organization
+    max_budget_in_organization: Optional[float] = (
+        None  # Users max budget within the organization
+    )
 
 
 class OrganizationMemberDeleteRequest(MemberDeleteRequest):
@@ -2543,9 +2545,9 @@ class ProviderBudgetResponse(LiteLLMPydanticObjectBase):
     Maps provider names to their budget configs.
     """
 
-    providers: Dict[
-        str, ProviderBudgetResponseObject
-    ] = {}  # Dictionary mapping provider names to their budget configurations
+    providers: Dict[str, ProviderBudgetResponseObject] = (
+        {}
+    )  # Dictionary mapping provider names to their budget configurations
 
 
 class ProxyStateVariables(TypedDict):
@@ -2673,9 +2675,9 @@ class LiteLLM_JWTAuth(LiteLLMPydanticObjectBase):
     enforce_rbac: bool = False
     roles_jwt_field: Optional[str] = None  # v2 on role mappings
     role_mappings: Optional[List[RoleMapping]] = None
-    object_id_jwt_field: Optional[
-        str
-    ] = None  # can be either user / team, inferred from the role mapping
+    object_id_jwt_field: Optional[str] = (
+        None  # can be either user / team, inferred from the role mapping
+    )
     scope_mappings: Optional[List[ScopeMapping]] = None
     enforce_scope_based_access: bool = False
     enforce_team_based_model_access: bool = False
diff --git a/tests/litellm/proxy/management_endpoints/test_internal_user_endpoints.py b/tests/litellm/proxy/management_endpoints/test_internal_user_endpoints.py
index 54fda943eb..73ed8e1a30 100644
--- a/tests/litellm/proxy/management_endpoints/test_internal_user_endpoints.py
+++ b/tests/litellm/proxy/management_endpoints/test_internal_user_endpoints.py
@@ -1,6 +1,7 @@
 import json
 import os
 import sys
+from datetime import datetime, timezone
 
 import pytest
 from fastapi.testclient import TestClient
@@ -10,7 +11,12 @@ sys.path.insert(
 )  # Adds the parent directory to the system path
 
 from litellm.proxy._types import LiteLLM_UserTableFiltered, UserAPIKeyAuth
-from litellm.proxy.management_endpoints.internal_user_endpoints import ui_view_users
+from litellm.proxy.management_endpoints.internal_user_endpoints import (
+    LiteLLM_UserTableWithKeyCount,
+    get_user_key_counts,
+    get_users,
+    ui_view_users,
+)
 from litellm.proxy.proxy_server import app
 
 client = TestClient(app)
@@ -82,3 +88,68 @@ def test_user_daily_activity_types():
             assert not hasattr(
                 daily_spend_metadata, field
             ), f"Field {field} is reported in DailySpendMetadata"
+
+
+@pytest.mark.asyncio
+async def test_get_users_includes_timestamps(mocker):
+    """
+    Test that /user/list endpoint returns users with created_at and updated_at fields.
+    """
+    # Mock the prisma client
+    mock_prisma_client = mocker.MagicMock()
+
+    # Create mock user data with timestamps
+    mock_user_data = {
+        "user_id": "test-user-timestamps",
+        "user_email": "timestamps@example.com",
+        "user_role": "internal_user",
+        "created_at": datetime.now(timezone.utc),
+        "updated_at": datetime.now(timezone.utc),
+    }
+    mock_user_row = mocker.MagicMock()
+    mock_user_row.model_dump.return_value = mock_user_data
+
+    # Setup the mock find_many response as an async function
+    async def mock_find_many(*args, **kwargs):
+        return [mock_user_row]
+
+    # Setup the mock count response as an async function
+    async def mock_count(*args, **kwargs):
+        return 1
+
+    mock_prisma_client.db.litellm_usertable.find_many = mock_find_many
+    mock_prisma_client.db.litellm_usertable.count = mock_count
+
+    # Patch the prisma client import in the endpoint
+    mocker.patch("litellm.proxy.proxy_server.prisma_client", mock_prisma_client)
+
+    # Mock the helper function get_user_key_counts
+    async def mock_get_user_key_counts(*args, **kwargs):
+        return {"test-user-timestamps": 0}
+
+    mocker.patch(
+        "litellm.proxy.management_endpoints.internal_user_endpoints.get_user_key_counts",
+        mock_get_user_key_counts,
+    )
+
+    # Call get_users function directly
+    response = await get_users(page=1, page_size=1)
+
+    print("user /list response: ", response)
+
+    # Assertions
+    assert response is not None
+    assert "users" in response
+    assert "total" in response
+    assert response["total"] == 1
+    assert len(response["users"]) == 1
+
+    user_response = response["users"][0]
+    assert user_response.user_id == "test-user-timestamps"
+    assert user_response.created_at is not None
+    assert isinstance(user_response.created_at, datetime)
+    assert user_response.updated_at is not None
+    assert isinstance(user_response.updated_at, datetime)
+    assert user_response.created_at == mock_user_data["created_at"]
+    assert user_response.updated_at == mock_user_data["updated_at"]
+    assert user_response.key_count == 0