[Fix] Key Expiry Default Duration

litellm/proxy/management_endpoints/key_management_endpoints.py

@@ -534,8 +534,8 @@ async def _common_key_generation_helper(  # noqa: PLR0915
                         upperbound_duration = duration_in_seconds(
                             duration=upperbound_value
                         )
-                        # Handle special case where duration is "-1" (never expires)
-                        if value == "-1":
+                        # Handle special case where duration is None or "-1" (never expires)
+                        if value is None or value == "-1":
                             user_duration = float("inf")  # Infinite duration
                         else:
                             user_duration = duration_in_seconds(duration=value)
@@ -1462,7 +1462,7 @@ async def prepare_key_update_data(
 
     if "duration" in non_default_values:
         duration = non_default_values.pop("duration")
-        if duration == "-1":
+        if duration is None or duration == "-1":
             # Set expires to None to indicate the key never expires
             non_default_values["expires"] = None
         elif duration and (isinstance(duration, str)) and len(duration) > 0:
@@ -1786,7 +1786,7 @@ async def update_key_fn(
     - tpm_limit_type: Optional[str] - TPM rate limit type - "best_effort_throughput", "guaranteed_throughput", or "dynamic"
     - rpm_limit_type: Optional[str] - RPM rate limit type - "best_effort_throughput", "guaranteed_throughput", or "dynamic"
     - allowed_cache_controls: Optional[list] - List of allowed cache control values
-    - duration: Optional[str] - Key validity duration ("30d", "1h", etc.) or "-1" to never expire
+    - duration: Optional[str] - Key validity duration ("30d", "1h", etc.), null to never expire, or "-1" to never expire (deprecated, use null)
     - permissions: Optional[dict] - Key-specific permissions
     - send_invite_email: Optional[bool] - Send invite email to user_id
     - guardrails: Optional[List[str]] - List of active guardrails for the key

tests/test_litellm/proxy/management_endpoints/test_key_management_endpoints.py

@@ -1087,6 +1087,34 @@ async def test_prepare_key_update_data_duration_never_expires():
     assert result["expires"] is None
 
 
+@pytest.mark.asyncio
+async def test_prepare_key_update_data_duration_none_never_expires():
+    """Test that duration=None sets expires to None (never expires)."""
+    from litellm.proxy._types import UpdateKeyRequest
+    from litellm.proxy.management_endpoints.key_management_endpoints import (
+        prepare_key_update_data,
+    )
+
+    existing_key = LiteLLM_VerificationToken(
+        token="test-token",
+        key_alias="test-key",
+        models=["gpt-3.5-turbo"],
+        user_id="test-user",
+        team_id=None,
+        auto_rotate=False,
+        rotation_interval=None,
+        metadata={},
+    )
+
+    update_request = UpdateKeyRequest(key="test-token", duration=None)
+
+    result = await prepare_key_update_data(
+        data=update_request, existing_key_row=existing_key
+    )
+
+    assert result["expires"] is None
+
+
 @pytest.mark.asyncio
 async def test_validate_team_id_used_in_service_account_request_requires_team_id():
     """

ui/litellm-dashboard/src/components/common_components/KeyLifecycleSettings.tsx

@@ -1,5 +1,5 @@
 import React, { useState } from "react";
-import { Select, Tooltip, Divider, Switch } from "antd";
+import { Select, Tooltip, Divider, Switch, Checkbox } from "antd";
 import { InfoCircleOutlined } from "@ant-design/icons";
 import { TextInput } from "@tremor/react";
 
@@ -12,6 +12,8 @@ interface KeyLifecycleSettingsProps {
   rotationInterval: string;
   onRotationIntervalChange: (interval: string) => void;
   isCreateMode?: boolean; // If true, shows "leave empty to never expire" instead of "-1 to never expire"
+  neverExpire?: boolean;
+  onNeverExpireChange?: (checked: boolean) => void;
 }
 
 const KeyLifecycleSettings: React.FC<KeyLifecycleSettingsProps> = ({
@@ -21,6 +23,8 @@ const KeyLifecycleSettings: React.FC<KeyLifecycleSettingsProps> = ({
   rotationInterval,
   onRotationIntervalChange,
   isCreateMode = false,
+  neverExpire = false,
+  onNeverExpireChange,
 }) => {
   // Predefined intervals
   const predefinedIntervals = ["7d", "30d", "90d", "180d", "365d"];
@@ -67,21 +71,38 @@ const KeyLifecycleSettings: React.FC<KeyLifecycleSettingsProps> = ({
           <label className="text-sm font-medium text-gray-700 flex items-center space-x-1">
             <span>Expire Key</span>
             <Tooltip
-              title={
-                isCreateMode
-                  ? "Set when this key should expire. Format: 30s (seconds), 30m (minutes), 30h (hours), 30d (days). Leave empty to never expire."
-                  : "Set when this key should expire. Format: 30s (seconds), 30m (minutes), 30h (hours), 30d (days). Use -1 to never expire."
-              }
+              title="Set when this key should expire. Format: 30s (seconds), 30m (minutes), 30h (hours), 30d (days). Leave empty to keep the current expiry unchanged."
             >
               <InfoCircleOutlined className="text-gray-400 cursor-help text-xs" />
             </Tooltip>
+            {!isCreateMode && onNeverExpireChange && (
+              <Checkbox
+                checked={neverExpire}
+                onChange={(e) => {
+                  const checked = e.target.checked;
+                  onNeverExpireChange(checked);
+                  if (checked) {
+                    setDurationValue("");
+                    if (form && typeof form.setFieldValue === "function") {
+                      form.setFieldValue("duration", "");
+                    } else if (form && typeof form.setFieldsValue === "function") {
+                      form.setFieldsValue({ duration: "" });
+                    }
+                  }
+                }}
+                className="ml-2 text-sm font-normal text-gray-600"
+              >
+                Never Expire
+              </Checkbox>
+            )}
           </label>
           <TextInput
             name="duration"
-            placeholder={isCreateMode ? "e.g., 30d or leave empty to never expire" : "e.g., 30d or -1 to never expire"}
+            placeholder={isCreateMode ? "e.g., 30d or leave empty to never expire" : "e.g., 30d"}
             className="w-full"
             value={durationValue}
             onValueChange={handleDurationChange}
+            disabled={!isCreateMode && neverExpire}
           />
         </div>
       </div>

ui/litellm-dashboard/src/components/templates/key_edit_view.tsx

@@ -98,6 +98,7 @@ export function KeyEditView({
   );
   const [autoRotationEnabled, setAutoRotationEnabled] = useState<boolean>(keyData.auto_rotate || false);
   const [rotationInterval, setRotationInterval] = useState<string>(keyData.rotation_interval || "");
+  const [neverExpire, setNeverExpire] = useState<boolean>(!keyData.expires);
   const [isKeySaving, setIsKeySaving] = useState(false);
   const { data: projects } = useProjects();
   const { data: uiSettingsData } = useUISettings();
@@ -265,6 +266,10 @@ export function KeyEditView({
       }
       // If it's already an array (shouldn't happen, but handle it), keep as is
 
+      if (neverExpire) {
+        values.duration = null;
+      }
+
       await onSubmit(values);
     } finally {
       setIsKeySaving(false);
@@ -660,6 +665,8 @@ export function KeyEditView({
           onAutoRotationChange={setAutoRotationEnabled}
           rotationInterval={rotationInterval}
           onRotationIntervalChange={setRotationInterval}
+          neverExpire={neverExpire}
+          onNeverExpireChange={setNeverExpire}
         />
         <Form.Item name="duration" hidden initialValue="">
           <Input />