diff --git a/prometheus/locales/cs/translation.json b/prometheus/locales/cs/translation.json
index e4eb4ad51..6b3c7d2a3 100644
--- a/prometheus/locales/cs/translation.json
+++ b/prometheus/locales/cs/translation.json
@@ -63,12 +63,12 @@
   "Connection failed: {{ errorMessage }}": "",
   "Enable Metrics": "",
   "Auto detect": "",
-  "Prometheus Service Address": "",
-  "Invalid format. Use: namespace/service-name:port": "",
-  "Address of the Prometheus Service, only used when auto-detection is disabled. Format: namespace/service-name:port": "",
+  "Prometheus Address": "",
+  "Invalid format. Use: namespace/service-name:port or https://prometheus.example.com": "",
+  "Prometheus address. Used only when auto-detection is disabled. Examples: namespace/service-name:port or https://prometheus.example.com. External URLs require CORS to be enabled on the Prometheus server.": "",
   "Test Connection": "",
-  "Prometheus Service Subpath": "",
-  "Optional subpath to the Prometheus Service endpoint. Only used when auto-detection is disabled. Examples: 'prometheus'.": "",
+  "Prometheus Subpath": "",
+  "Optional subpath to the Prometheus endpoint. Only used when auto-detection is disabled. Examples: 'prometheus'.": "",
   "Default Timespan": "",
   "Default Resolution": "",
   "Select Cluster": "",
diff --git a/prometheus/locales/de/translation.json b/prometheus/locales/de/translation.json
index e4eb4ad51..6b3c7d2a3 100644
--- a/prometheus/locales/de/translation.json
+++ b/prometheus/locales/de/translation.json
@@ -63,12 +63,12 @@
   "Connection failed: {{ errorMessage }}": "",
   "Enable Metrics": "",
   "Auto detect": "",
-  "Prometheus Service Address": "",
-  "Invalid format. Use: namespace/service-name:port": "",
-  "Address of the Prometheus Service, only used when auto-detection is disabled. Format: namespace/service-name:port": "",
+  "Prometheus Address": "",
+  "Invalid format. Use: namespace/service-name:port or https://prometheus.example.com": "",
+  "Prometheus address. Used only when auto-detection is disabled. Examples: namespace/service-name:port or https://prometheus.example.com. External URLs require CORS to be enabled on the Prometheus server.": "",
   "Test Connection": "",
-  "Prometheus Service Subpath": "",
-  "Optional subpath to the Prometheus Service endpoint. Only used when auto-detection is disabled. Examples: 'prometheus'.": "",
+  "Prometheus Subpath": "",
+  "Optional subpath to the Prometheus endpoint. Only used when auto-detection is disabled. Examples: 'prometheus'.": "",
   "Default Timespan": "",
   "Default Resolution": "",
   "Select Cluster": "",
diff --git a/prometheus/locales/en/translation.json b/prometheus/locales/en/translation.json
index ce8dfaafe..484f8a234 100644
--- a/prometheus/locales/en/translation.json
+++ b/prometheus/locales/en/translation.json
@@ -63,12 +63,12 @@
   "Connection failed: {{ errorMessage }}": "Connection failed: {{ errorMessage }}",
   "Enable Metrics": "Enable Metrics",
   "Auto detect": "Auto detect",
-  "Prometheus Service Address": "Prometheus Service Address",
-  "Invalid format. Use: namespace/service-name:port": "Invalid format. Use: namespace/service-name:port",
-  "Address of the Prometheus Service, only used when auto-detection is disabled. Format: namespace/service-name:port": "Address of the Prometheus Service, only used when auto-detection is disabled. Format: namespace/service-name:port",
+  "Prometheus Address": "Prometheus Address",
+  "Invalid format. Use: namespace/service-name:port or https://prometheus.example.com": "Invalid format. Use: namespace/service-name:port or https://prometheus.example.com",
+  "Prometheus address. Used only when auto-detection is disabled. Examples: namespace/service-name:port or https://prometheus.example.com. External URLs require CORS to be enabled on the Prometheus server.": "Prometheus address. Used only when auto-detection is disabled. Examples: namespace/service-name:port or https://prometheus.example.com. External URLs require CORS to be enabled on the Prometheus server.",
   "Test Connection": "Test Connection",
-  "Prometheus Service Subpath": "Prometheus Service Subpath",
-  "Optional subpath to the Prometheus Service endpoint. Only used when auto-detection is disabled. Examples: 'prometheus'.": "Optional subpath to the Prometheus Service endpoint. Only used when auto-detection is disabled. Examples: 'prometheus'.",
+  "Prometheus Subpath": "Prometheus Subpath",
+  "Optional subpath to the Prometheus endpoint. Only used when auto-detection is disabled. Examples: 'prometheus'.": "Optional subpath to the Prometheus endpoint. Only used when auto-detection is disabled. Examples: 'prometheus'.",
   "Default Timespan": "Default Timespan",
   "Default Resolution": "Default Resolution",
   "Select Cluster": "Select Cluster",
diff --git a/prometheus/locales/es/translation.json b/prometheus/locales/es/translation.json
index e4eb4ad51..6b3c7d2a3 100644
--- a/prometheus/locales/es/translation.json
+++ b/prometheus/locales/es/translation.json
@@ -63,12 +63,12 @@
   "Connection failed: {{ errorMessage }}": "",
   "Enable Metrics": "",
   "Auto detect": "",
-  "Prometheus Service Address": "",
-  "Invalid format. Use: namespace/service-name:port": "",
-  "Address of the Prometheus Service, only used when auto-detection is disabled. Format: namespace/service-name:port": "",
+  "Prometheus Address": "",
+  "Invalid format. Use: namespace/service-name:port or https://prometheus.example.com": "",
+  "Prometheus address. Used only when auto-detection is disabled. Examples: namespace/service-name:port or https://prometheus.example.com. External URLs require CORS to be enabled on the Prometheus server.": "",
   "Test Connection": "",
-  "Prometheus Service Subpath": "",
-  "Optional subpath to the Prometheus Service endpoint. Only used when auto-detection is disabled. Examples: 'prometheus'.": "",
+  "Prometheus Subpath": "",
+  "Optional subpath to the Prometheus endpoint. Only used when auto-detection is disabled. Examples: 'prometheus'.": "",
   "Default Timespan": "",
   "Default Resolution": "",
   "Select Cluster": "",
diff --git a/prometheus/locales/fr/translation.json b/prometheus/locales/fr/translation.json
index e4eb4ad51..6b3c7d2a3 100644
--- a/prometheus/locales/fr/translation.json
+++ b/prometheus/locales/fr/translation.json
@@ -63,12 +63,12 @@
   "Connection failed: {{ errorMessage }}": "",
   "Enable Metrics": "",
   "Auto detect": "",
-  "Prometheus Service Address": "",
-  "Invalid format. Use: namespace/service-name:port": "",
-  "Address of the Prometheus Service, only used when auto-detection is disabled. Format: namespace/service-name:port": "",
+  "Prometheus Address": "",
+  "Invalid format. Use: namespace/service-name:port or https://prometheus.example.com": "",
+  "Prometheus address. Used only when auto-detection is disabled. Examples: namespace/service-name:port or https://prometheus.example.com. External URLs require CORS to be enabled on the Prometheus server.": "",
   "Test Connection": "",
-  "Prometheus Service Subpath": "",
-  "Optional subpath to the Prometheus Service endpoint. Only used when auto-detection is disabled. Examples: 'prometheus'.": "",
+  "Prometheus Subpath": "",
+  "Optional subpath to the Prometheus endpoint. Only used when auto-detection is disabled. Examples: 'prometheus'.": "",
   "Default Timespan": "",
   "Default Resolution": "",
   "Select Cluster": "",
diff --git a/prometheus/locales/hu/translation.json b/prometheus/locales/hu/translation.json
index e4eb4ad51..6b3c7d2a3 100644
--- a/prometheus/locales/hu/translation.json
+++ b/prometheus/locales/hu/translation.json
@@ -63,12 +63,12 @@
   "Connection failed: {{ errorMessage }}": "",
   "Enable Metrics": "",
   "Auto detect": "",
-  "Prometheus Service Address": "",
-  "Invalid format. Use: namespace/service-name:port": "",
-  "Address of the Prometheus Service, only used when auto-detection is disabled. Format: namespace/service-name:port": "",
+  "Prometheus Address": "",
+  "Invalid format. Use: namespace/service-name:port or https://prometheus.example.com": "",
+  "Prometheus address. Used only when auto-detection is disabled. Examples: namespace/service-name:port or https://prometheus.example.com. External URLs require CORS to be enabled on the Prometheus server.": "",
   "Test Connection": "",
-  "Prometheus Service Subpath": "",
-  "Optional subpath to the Prometheus Service endpoint. Only used when auto-detection is disabled. Examples: 'prometheus'.": "",
+  "Prometheus Subpath": "",
+  "Optional subpath to the Prometheus endpoint. Only used when auto-detection is disabled. Examples: 'prometheus'.": "",
   "Default Timespan": "",
   "Default Resolution": "",
   "Select Cluster": "",
diff --git a/prometheus/locales/id/translation.json b/prometheus/locales/id/translation.json
index e4eb4ad51..6b3c7d2a3 100644
--- a/prometheus/locales/id/translation.json
+++ b/prometheus/locales/id/translation.json
@@ -63,12 +63,12 @@
   "Connection failed: {{ errorMessage }}": "",
   "Enable Metrics": "",
   "Auto detect": "",
-  "Prometheus Service Address": "",
-  "Invalid format. Use: namespace/service-name:port": "",
-  "Address of the Prometheus Service, only used when auto-detection is disabled. Format: namespace/service-name:port": "",
+  "Prometheus Address": "",
+  "Invalid format. Use: namespace/service-name:port or https://prometheus.example.com": "",
+  "Prometheus address. Used only when auto-detection is disabled. Examples: namespace/service-name:port or https://prometheus.example.com. External URLs require CORS to be enabled on the Prometheus server.": "",
   "Test Connection": "",
-  "Prometheus Service Subpath": "",
-  "Optional subpath to the Prometheus Service endpoint. Only used when auto-detection is disabled. Examples: 'prometheus'.": "",
+  "Prometheus Subpath": "",
+  "Optional subpath to the Prometheus endpoint. Only used when auto-detection is disabled. Examples: 'prometheus'.": "",
   "Default Timespan": "",
   "Default Resolution": "",
   "Select Cluster": "",
diff --git a/prometheus/locales/it/translation.json b/prometheus/locales/it/translation.json
index e4eb4ad51..6b3c7d2a3 100644
--- a/prometheus/locales/it/translation.json
+++ b/prometheus/locales/it/translation.json
@@ -63,12 +63,12 @@
   "Connection failed: {{ errorMessage }}": "",
   "Enable Metrics": "",
   "Auto detect": "",
-  "Prometheus Service Address": "",
-  "Invalid format. Use: namespace/service-name:port": "",
-  "Address of the Prometheus Service, only used when auto-detection is disabled. Format: namespace/service-name:port": "",
+  "Prometheus Address": "",
+  "Invalid format. Use: namespace/service-name:port or https://prometheus.example.com": "",
+  "Prometheus address. Used only when auto-detection is disabled. Examples: namespace/service-name:port or https://prometheus.example.com. External URLs require CORS to be enabled on the Prometheus server.": "",
   "Test Connection": "",
-  "Prometheus Service Subpath": "",
-  "Optional subpath to the Prometheus Service endpoint. Only used when auto-detection is disabled. Examples: 'prometheus'.": "",
+  "Prometheus Subpath": "",
+  "Optional subpath to the Prometheus endpoint. Only used when auto-detection is disabled. Examples: 'prometheus'.": "",
   "Default Timespan": "",
   "Default Resolution": "",
   "Select Cluster": "",
diff --git a/prometheus/locales/ja/translation.json b/prometheus/locales/ja/translation.json
index e4eb4ad51..6b3c7d2a3 100644
--- a/prometheus/locales/ja/translation.json
+++ b/prometheus/locales/ja/translation.json
@@ -63,12 +63,12 @@
   "Connection failed: {{ errorMessage }}": "",
   "Enable Metrics": "",
   "Auto detect": "",
-  "Prometheus Service Address": "",
-  "Invalid format. Use: namespace/service-name:port": "",
-  "Address of the Prometheus Service, only used when auto-detection is disabled. Format: namespace/service-name:port": "",
+  "Prometheus Address": "",
+  "Invalid format. Use: namespace/service-name:port or https://prometheus.example.com": "",
+  "Prometheus address. Used only when auto-detection is disabled. Examples: namespace/service-name:port or https://prometheus.example.com. External URLs require CORS to be enabled on the Prometheus server.": "",
   "Test Connection": "",
-  "Prometheus Service Subpath": "",
-  "Optional subpath to the Prometheus Service endpoint. Only used when auto-detection is disabled. Examples: 'prometheus'.": "",
+  "Prometheus Subpath": "",
+  "Optional subpath to the Prometheus endpoint. Only used when auto-detection is disabled. Examples: 'prometheus'.": "",
   "Default Timespan": "",
   "Default Resolution": "",
   "Select Cluster": "",
diff --git a/prometheus/locales/ko/translation.json b/prometheus/locales/ko/translation.json
index e4eb4ad51..6b3c7d2a3 100644
--- a/prometheus/locales/ko/translation.json
+++ b/prometheus/locales/ko/translation.json
@@ -63,12 +63,12 @@
   "Connection failed: {{ errorMessage }}": "",
   "Enable Metrics": "",
   "Auto detect": "",
-  "Prometheus Service Address": "",
-  "Invalid format. Use: namespace/service-name:port": "",
-  "Address of the Prometheus Service, only used when auto-detection is disabled. Format: namespace/service-name:port": "",
+  "Prometheus Address": "",
+  "Invalid format. Use: namespace/service-name:port or https://prometheus.example.com": "",
+  "Prometheus address. Used only when auto-detection is disabled. Examples: namespace/service-name:port or https://prometheus.example.com. External URLs require CORS to be enabled on the Prometheus server.": "",
   "Test Connection": "",
-  "Prometheus Service Subpath": "",
-  "Optional subpath to the Prometheus Service endpoint. Only used when auto-detection is disabled. Examples: 'prometheus'.": "",
+  "Prometheus Subpath": "",
+  "Optional subpath to the Prometheus endpoint. Only used when auto-detection is disabled. Examples: 'prometheus'.": "",
   "Default Timespan": "",
   "Default Resolution": "",
   "Select Cluster": "",
diff --git a/prometheus/locales/nl/translation.json b/prometheus/locales/nl/translation.json
index e4eb4ad51..6b3c7d2a3 100644
--- a/prometheus/locales/nl/translation.json
+++ b/prometheus/locales/nl/translation.json
@@ -63,12 +63,12 @@
   "Connection failed: {{ errorMessage }}": "",
   "Enable Metrics": "",
   "Auto detect": "",
-  "Prometheus Service Address": "",
-  "Invalid format. Use: namespace/service-name:port": "",
-  "Address of the Prometheus Service, only used when auto-detection is disabled. Format: namespace/service-name:port": "",
+  "Prometheus Address": "",
+  "Invalid format. Use: namespace/service-name:port or https://prometheus.example.com": "",
+  "Prometheus address. Used only when auto-detection is disabled. Examples: namespace/service-name:port or https://prometheus.example.com. External URLs require CORS to be enabled on the Prometheus server.": "",
   "Test Connection": "",
-  "Prometheus Service Subpath": "",
-  "Optional subpath to the Prometheus Service endpoint. Only used when auto-detection is disabled. Examples: 'prometheus'.": "",
+  "Prometheus Subpath": "",
+  "Optional subpath to the Prometheus endpoint. Only used when auto-detection is disabled. Examples: 'prometheus'.": "",
   "Default Timespan": "",
   "Default Resolution": "",
   "Select Cluster": "",
diff --git a/prometheus/locales/pl/translation.json b/prometheus/locales/pl/translation.json
index e4eb4ad51..6b3c7d2a3 100644
--- a/prometheus/locales/pl/translation.json
+++ b/prometheus/locales/pl/translation.json
@@ -63,12 +63,12 @@
   "Connection failed: {{ errorMessage }}": "",
   "Enable Metrics": "",
   "Auto detect": "",
-  "Prometheus Service Address": "",
-  "Invalid format. Use: namespace/service-name:port": "",
-  "Address of the Prometheus Service, only used when auto-detection is disabled. Format: namespace/service-name:port": "",
+  "Prometheus Address": "",
+  "Invalid format. Use: namespace/service-name:port or https://prometheus.example.com": "",
+  "Prometheus address. Used only when auto-detection is disabled. Examples: namespace/service-name:port or https://prometheus.example.com. External URLs require CORS to be enabled on the Prometheus server.": "",
   "Test Connection": "",
-  "Prometheus Service Subpath": "",
-  "Optional subpath to the Prometheus Service endpoint. Only used when auto-detection is disabled. Examples: 'prometheus'.": "",
+  "Prometheus Subpath": "",
+  "Optional subpath to the Prometheus endpoint. Only used when auto-detection is disabled. Examples: 'prometheus'.": "",
   "Default Timespan": "",
   "Default Resolution": "",
   "Select Cluster": "",
diff --git a/prometheus/locales/pt-BR/translation.json b/prometheus/locales/pt-BR/translation.json
index e4eb4ad51..6b3c7d2a3 100644
--- a/prometheus/locales/pt-BR/translation.json
+++ b/prometheus/locales/pt-BR/translation.json
@@ -63,12 +63,12 @@
   "Connection failed: {{ errorMessage }}": "",
   "Enable Metrics": "",
   "Auto detect": "",
-  "Prometheus Service Address": "",
-  "Invalid format. Use: namespace/service-name:port": "",
-  "Address of the Prometheus Service, only used when auto-detection is disabled. Format: namespace/service-name:port": "",
+  "Prometheus Address": "",
+  "Invalid format. Use: namespace/service-name:port or https://prometheus.example.com": "",
+  "Prometheus address. Used only when auto-detection is disabled. Examples: namespace/service-name:port or https://prometheus.example.com. External URLs require CORS to be enabled on the Prometheus server.": "",
   "Test Connection": "",
-  "Prometheus Service Subpath": "",
-  "Optional subpath to the Prometheus Service endpoint. Only used when auto-detection is disabled. Examples: 'prometheus'.": "",
+  "Prometheus Subpath": "",
+  "Optional subpath to the Prometheus endpoint. Only used when auto-detection is disabled. Examples: 'prometheus'.": "",
   "Default Timespan": "",
   "Default Resolution": "",
   "Select Cluster": "",
diff --git a/prometheus/locales/pt-PT/translation.json b/prometheus/locales/pt-PT/translation.json
index e4eb4ad51..6b3c7d2a3 100644
--- a/prometheus/locales/pt-PT/translation.json
+++ b/prometheus/locales/pt-PT/translation.json
@@ -63,12 +63,12 @@
   "Connection failed: {{ errorMessage }}": "",
   "Enable Metrics": "",
   "Auto detect": "",
-  "Prometheus Service Address": "",
-  "Invalid format. Use: namespace/service-name:port": "",
-  "Address of the Prometheus Service, only used when auto-detection is disabled. Format: namespace/service-name:port": "",
+  "Prometheus Address": "",
+  "Invalid format. Use: namespace/service-name:port or https://prometheus.example.com": "",
+  "Prometheus address. Used only when auto-detection is disabled. Examples: namespace/service-name:port or https://prometheus.example.com. External URLs require CORS to be enabled on the Prometheus server.": "",
   "Test Connection": "",
-  "Prometheus Service Subpath": "",
-  "Optional subpath to the Prometheus Service endpoint. Only used when auto-detection is disabled. Examples: 'prometheus'.": "",
+  "Prometheus Subpath": "",
+  "Optional subpath to the Prometheus endpoint. Only used when auto-detection is disabled. Examples: 'prometheus'.": "",
   "Default Timespan": "",
   "Default Resolution": "",
   "Select Cluster": "",
diff --git a/prometheus/locales/ru/translation.json b/prometheus/locales/ru/translation.json
index e4eb4ad51..6b3c7d2a3 100644
--- a/prometheus/locales/ru/translation.json
+++ b/prometheus/locales/ru/translation.json
@@ -63,12 +63,12 @@
   "Connection failed: {{ errorMessage }}": "",
   "Enable Metrics": "",
   "Auto detect": "",
-  "Prometheus Service Address": "",
-  "Invalid format. Use: namespace/service-name:port": "",
-  "Address of the Prometheus Service, only used when auto-detection is disabled. Format: namespace/service-name:port": "",
+  "Prometheus Address": "",
+  "Invalid format. Use: namespace/service-name:port or https://prometheus.example.com": "",
+  "Prometheus address. Used only when auto-detection is disabled. Examples: namespace/service-name:port or https://prometheus.example.com. External URLs require CORS to be enabled on the Prometheus server.": "",
   "Test Connection": "",
-  "Prometheus Service Subpath": "",
-  "Optional subpath to the Prometheus Service endpoint. Only used when auto-detection is disabled. Examples: 'prometheus'.": "",
+  "Prometheus Subpath": "",
+  "Optional subpath to the Prometheus endpoint. Only used when auto-detection is disabled. Examples: 'prometheus'.": "",
   "Default Timespan": "",
   "Default Resolution": "",
   "Select Cluster": "",
diff --git a/prometheus/locales/sv/translation.json b/prometheus/locales/sv/translation.json
index e4eb4ad51..6b3c7d2a3 100644
--- a/prometheus/locales/sv/translation.json
+++ b/prometheus/locales/sv/translation.json
@@ -63,12 +63,12 @@
   "Connection failed: {{ errorMessage }}": "",
   "Enable Metrics": "",
   "Auto detect": "",
-  "Prometheus Service Address": "",
-  "Invalid format. Use: namespace/service-name:port": "",
-  "Address of the Prometheus Service, only used when auto-detection is disabled. Format: namespace/service-name:port": "",
+  "Prometheus Address": "",
+  "Invalid format. Use: namespace/service-name:port or https://prometheus.example.com": "",
+  "Prometheus address. Used only when auto-detection is disabled. Examples: namespace/service-name:port or https://prometheus.example.com. External URLs require CORS to be enabled on the Prometheus server.": "",
   "Test Connection": "",
-  "Prometheus Service Subpath": "",
-  "Optional subpath to the Prometheus Service endpoint. Only used when auto-detection is disabled. Examples: 'prometheus'.": "",
+  "Prometheus Subpath": "",
+  "Optional subpath to the Prometheus endpoint. Only used when auto-detection is disabled. Examples: 'prometheus'.": "",
   "Default Timespan": "",
   "Default Resolution": "",
   "Select Cluster": "",
diff --git a/prometheus/locales/tr/translation.json b/prometheus/locales/tr/translation.json
index e4eb4ad51..6b3c7d2a3 100644
--- a/prometheus/locales/tr/translation.json
+++ b/prometheus/locales/tr/translation.json
@@ -63,12 +63,12 @@
   "Connection failed: {{ errorMessage }}": "",
   "Enable Metrics": "",
   "Auto detect": "",
-  "Prometheus Service Address": "",
-  "Invalid format. Use: namespace/service-name:port": "",
-  "Address of the Prometheus Service, only used when auto-detection is disabled. Format: namespace/service-name:port": "",
+  "Prometheus Address": "",
+  "Invalid format. Use: namespace/service-name:port or https://prometheus.example.com": "",
+  "Prometheus address. Used only when auto-detection is disabled. Examples: namespace/service-name:port or https://prometheus.example.com. External URLs require CORS to be enabled on the Prometheus server.": "",
   "Test Connection": "",
-  "Prometheus Service Subpath": "",
-  "Optional subpath to the Prometheus Service endpoint. Only used when auto-detection is disabled. Examples: 'prometheus'.": "",
+  "Prometheus Subpath": "",
+  "Optional subpath to the Prometheus endpoint. Only used when auto-detection is disabled. Examples: 'prometheus'.": "",
   "Default Timespan": "",
   "Default Resolution": "",
   "Select Cluster": "",
diff --git a/prometheus/locales/zh-Hans/translation.json b/prometheus/locales/zh-Hans/translation.json
index e4eb4ad51..6b3c7d2a3 100644
--- a/prometheus/locales/zh-Hans/translation.json
+++ b/prometheus/locales/zh-Hans/translation.json
@@ -63,12 +63,12 @@
   "Connection failed: {{ errorMessage }}": "",
   "Enable Metrics": "",
   "Auto detect": "",
-  "Prometheus Service Address": "",
-  "Invalid format. Use: namespace/service-name:port": "",
-  "Address of the Prometheus Service, only used when auto-detection is disabled. Format: namespace/service-name:port": "",
+  "Prometheus Address": "",
+  "Invalid format. Use: namespace/service-name:port or https://prometheus.example.com": "",
+  "Prometheus address. Used only when auto-detection is disabled. Examples: namespace/service-name:port or https://prometheus.example.com. External URLs require CORS to be enabled on the Prometheus server.": "",
   "Test Connection": "",
-  "Prometheus Service Subpath": "",
-  "Optional subpath to the Prometheus Service endpoint. Only used when auto-detection is disabled. Examples: 'prometheus'.": "",
+  "Prometheus Subpath": "",
+  "Optional subpath to the Prometheus endpoint. Only used when auto-detection is disabled. Examples: 'prometheus'.": "",
   "Default Timespan": "",
   "Default Resolution": "",
   "Select Cluster": "",
diff --git a/prometheus/locales/zh-Hant/translation.json b/prometheus/locales/zh-Hant/translation.json
index e4eb4ad51..6b3c7d2a3 100644
--- a/prometheus/locales/zh-Hant/translation.json
+++ b/prometheus/locales/zh-Hant/translation.json
@@ -63,12 +63,12 @@
   "Connection failed: {{ errorMessage }}": "",
   "Enable Metrics": "",
   "Auto detect": "",
-  "Prometheus Service Address": "",
-  "Invalid format. Use: namespace/service-name:port": "",
-  "Address of the Prometheus Service, only used when auto-detection is disabled. Format: namespace/service-name:port": "",
+  "Prometheus Address": "",
+  "Invalid format. Use: namespace/service-name:port or https://prometheus.example.com": "",
+  "Prometheus address. Used only when auto-detection is disabled. Examples: namespace/service-name:port or https://prometheus.example.com. External URLs require CORS to be enabled on the Prometheus server.": "",
   "Test Connection": "",
-  "Prometheus Service Subpath": "",
-  "Optional subpath to the Prometheus Service endpoint. Only used when auto-detection is disabled. Examples: 'prometheus'.": "",
+  "Prometheus Subpath": "",
+  "Optional subpath to the Prometheus endpoint. Only used when auto-detection is disabled. Examples: 'prometheus'.": "",
   "Default Timespan": "",
   "Default Resolution": "",
   "Select Cluster": "",
diff --git a/prometheus/src/components/Settings/Settings.tsx b/prometheus/src/components/Settings/Settings.tsx
index b518fa26c..09dda60f4 100644
--- a/prometheus/src/components/Settings/Settings.tsx
+++ b/prometheus/src/components/Settings/Settings.tsx
@@ -12,17 +12,29 @@ import Switch from '@mui/material/Switch';
 import TextField from '@mui/material/TextField';
 import Typography from '@mui/material/Typography';
 import { useEffect, useState } from 'react';
+import { isHttpUrl } from '../../helpers';
 
 /**
- * Validates if the given address string is in the correct format.
- * The format should be: namespace/service:port
+ * Validates whether the given address is in a supported format.
+ * Supports namespace/service:port and HTTP/HTTPS URLs.
+ * Examples: monitoring/prometheus:9090, https://prometheus.example.com
  *
  * @param {string} address - The address string to validate.
  * @returns {boolean} True if the address is valid, false otherwise.
  */
 function isValidAddress(address: string): boolean {
-  const regex = /^[a-z0-9-]+\/[a-z0-9-]+:[0-9]+$/;
-  return regex.test(address);
+  if (!address) return false;
+
+  const value = address.trim().replace(/\/$/, '');
+
+  // namespace/service:port
+  const k8sRegex = /^[a-z0-9-]+\/[a-z0-9-]+:[0-9]+$/;
+  if (k8sRegex.test(value)) {
+    return true;
+  }
+
+  // http(s)://...
+  return isHttpUrl(value);
 }
 
 /**
@@ -107,17 +119,33 @@ export function Settings(props: SettingsProps) {
     setTestMessage(t('Testing Connection'));
 
     try {
-      const [namespace, serviceAndPort] = selectedClusterData.address.split('/');
-      const [service, port] = serviceAndPort.split(':');
+      const address = selectedClusterData.address.trim().replace(/\/$/, '');
+      const normalizeSubPath = (value: string) => {
+        const trimmed = value.trim().replace(/^\/+|\/+$/g, '');
+        return trimmed ? `/${trimmed}` : '';
+      };
+      const subPath = normalizeSubPath(selectedClusterData.subPath || '');
 
-      let subPath = selectedClusterData.subPath || '';
-      if (subPath && !subPath.startsWith('/')) {
-        subPath = '/' + subPath;
+      if (isHttpUrl(address)) {
+        // External URL: direct fetch
+        const url = new URL(address);
+        const basePath = url.pathname.replace(/\/+$/g, '');
+        url.pathname = `${basePath}${subPath}/-/healthy`;
+        const response = await fetch(url.toString(), { method: 'GET' });
+        if (!response.ok) {
+          throw new Error(`HTTP ${response.status} ${response.statusText}`);
+        }
+      } else {
+        // Kubernetes service proxy: namespace/service:port
+        const [namespace, serviceAndPort] = address.split('/');
+        const [service, port] = serviceAndPort.split(':');
+        const proxyUrl = `/clusters/${selectedCluster}/api/v1/namespaces/${namespace}/services/${service}:${port}/proxy${subPath}/-/healthy`;
+        const response = await request(proxyUrl, { method: 'GET', isJSON: false });
+        if (response.status !== 200) {
+          throw new Error(`HTTP ${response.status} ${response.statusText}`);
+        }
       }
 
-      const proxyUrl = `/clusters/${selectedCluster}/api/v1/namespaces/${namespace}/services/${service}:${port}/proxy${subPath}/-/healthy`;
-      await request(proxyUrl);
-
       setTestStatus('success');
       setTestMessage(t('Connection successful!'));
     } catch (err) {
@@ -167,7 +195,7 @@ export function Settings(props: SettingsProps) {
       ),
     },
     {
-      name: t('Prometheus Service Address'),
+      name: t('Prometheus Address'),
       value: (
         <Box display="flex" flexDirection="column" width="100%">
           <Box display="flex" gap={2} alignItems="flex-start">
@@ -175,9 +203,11 @@ export function Settings(props: SettingsProps) {
               disabled={!isAddressFieldEnabled}
               helperText={
                 addressError
-                  ? t('Invalid format. Use: namespace/service-name:port')
+                  ? t(
+                      'Invalid format. Use: namespace/service-name:port or https://prometheus.example.com'
+                    )
                   : t(
-                      'Address of the Prometheus Service, only used when auto-detection is disabled. Format: namespace/service-name:port'
+                      'Prometheus address. Used only when auto-detection is disabled. Examples: namespace/service-name:port or https://prometheus.example.com. External URLs require CORS to be enabled on the Prometheus server.'
                     )
               }
               error={addressError}
@@ -220,16 +250,16 @@ export function Settings(props: SettingsProps) {
       ),
     },
     {
-      name: t('Prometheus Service Subpath'),
+      name: t('Prometheus Subpath'),
       value: (
         <TextField
           value={selectedClusterData.subPath || ''}
           disabled={!isAddressFieldEnabled}
           helperText={t(
-            "Optional subpath to the Prometheus Service endpoint. Only used when auto-detection is disabled. Examples: 'prometheus'."
+            "Optional subpath to the Prometheus endpoint. Only used when auto-detection is disabled. Examples: 'prometheus'."
           )}
           onChange={e => {
-            const newSubPath = e.target.value;
+            const newSubPath = e.target.value.trim().replace(/^\/+|\/+$/g, '');
             onDataChange({
               ...(data || {}),
               [selectedCluster]: { ...((data || {})[selectedCluster] || {}), subPath: newSubPath },
diff --git a/prometheus/src/helpers.ts b/prometheus/src/helpers.ts
new file mode 100644
index 000000000..69ad7d6b4
--- /dev/null
+++ b/prometheus/src/helpers.ts
@@ -0,0 +1,14 @@
+/**
+ * Checks whether the given string is a valid HTTP or HTTPS URL.
+ *
+ * @param {string} value - The value to validate.
+ * @returns {boolean} True if the value is a valid http/https URL, otherwise false.
+ */
+export function isHttpUrl(value: string): boolean {
+  try {
+    const url = new URL(value);
+    return url.protocol === 'http:' || url.protocol === 'https:';
+  } catch {
+    return false;
+  }
+}
diff --git a/prometheus/src/request.tsx b/prometheus/src/request.tsx
index b3cf33240..32c6b7c38 100644
--- a/prometheus/src/request.tsx
+++ b/prometheus/src/request.tsx
@@ -1,4 +1,5 @@
 import { ApiProxy } from '@kinvolk/headlamp-plugin/lib';
+import { isHttpUrl } from './helpers';
 
 const request = ApiProxy.request;
 
@@ -280,7 +281,7 @@ async function testPrometheusQuery(
 /**
  * Fetches metrics data from Prometheus using the provided parameters.
  * @param {object} data - The parameters for fetching metrics.
- * @param {string} data.prefix - The namespace prefix.
+ * @param {string} data.prefix - Either a Kubernetes proxy prefix in the form {namespace}/{pods|services}/{name}:port, or a full HTTP/HTTPS Prometheus base URL.
  * @param {string} data.query - The Prometheus query string.
  * @param {number} data.from - The start time for the query (Unix timestamp).
  * @param {number} data.to - The end time for the query (Unix timestamp).
@@ -309,17 +310,52 @@ export async function fetchMetrics(data: {
   if (data.query) {
     params.append('query', data.query);
   }
-  var url = `/api/v1/namespaces/${data.prefix}/proxy/api/v1/query_range?${params.toString()}`;
-  if (data.subPath && data.subPath !== '') {
-    if (data.subPath.startsWith('/')) {
-      data.subPath = data.subPath.slice(1);
+
+  const isExternal = isHttpUrl(data.prefix);
+  var url: string;
+
+  if (isExternal) {
+    const baseUrl = new URL(data.prefix);
+
+    // Build the path segments
+    const pathSegments = [baseUrl.pathname.replace(/\/$/, '')];
+    if (data.subPath && data.subPath !== '') {
+      pathSegments.push(data.subPath.replace(/^\/+|\/+$/g, ''));
+    }
+    pathSegments.push('api/v1/query_range');
+    baseUrl.pathname = pathSegments.join('/');
+
+    // Merge query params (preserve any existing params in the URL)
+    params.forEach((value, key) => {
+      baseUrl.searchParams.set(key, value);
+    });
+
+    url = baseUrl.toString();
+  } else {
+    url = `/api/v1/namespaces/${data.prefix}/proxy/api/v1/query_range?${params.toString()}`;
+    if (data.subPath && data.subPath !== '') {
+      const normalizedSubPath = data.subPath.replace(/^\/+|\/+$/g, '');
+      url = `/api/v1/namespaces/${
+        data.prefix
+      }/proxy/${normalizedSubPath}/api/v1/query_range?${params.toString()}`;
+    }
+  }
+
+  if (isExternal) {
+    const response = await fetch(url, { method: 'GET' });
+    if (response.ok) {
+      return response.json();
     }
-    if (data.subPath.endsWith('/')) {
-      data.subPath = data.subPath.slice(0, -1);
+    let message = `Request failed with status ${response.status} ${response.statusText}`;
+    try {
+      const bodyText = await response.text();
+      if (bodyText) {
+        message += `: ${bodyText}`;
+      }
+    } catch {
+      // Ignore errors while reading the error body; fallback to status-only message.
     }
-    url = `/api/v1/namespaces/${data.prefix}/proxy/${
-      data.subPath
-    }/api/v1/query_range?${params.toString()}`;
+    throw new Error(message);
   }
 
   const response = await request(url, {
diff --git a/prometheus/src/util.test.ts b/prometheus/src/util.test.ts
index 09d48614e..970ab4656 100644
--- a/prometheus/src/util.test.ts
+++ b/prometheus/src/util.test.ts
@@ -1,21 +1,161 @@
-import { getTimeRangeAndStepSize } from './util';
+import { TextDecoder, TextEncoder } from 'node:util';
+import { afterEach, beforeAll, beforeEach, describe, expect, test, vi } from 'vitest';
 
-beforeAll(async () => {
-  global.TextEncoder = require('util').TextEncoder;
-  global.TextDecoder = require('util').TextDecoder;
+vi.mock('./request', () => ({
+  isPrometheusInstalled: vi.fn(),
+  KubernetesType: {
+    none: 'none',
+    services: 'services',
+    pods: 'pods',
+  },
+}));
+
+vi.mock('@kinvolk/headlamp-plugin/lib', () => ({
+  ConfigStore: vi.fn(),
+}));
+
+import { ConfigStore } from '@kinvolk/headlamp-plugin/lib';
+import { isHttpUrl } from './helpers';
+import { isPrometheusInstalled, KubernetesType } from './request';
+import { getPrometheusPrefix, getTimeRangeAndStepSize } from './util';
+
+const mockIsPrometheusInstalled = vi.mocked(isPrometheusInstalled);
+const MockConfigStore = vi.mocked(ConfigStore);
+
+beforeAll(() => {
+  global.TextEncoder = TextEncoder;
+  global.TextDecoder = TextDecoder as unknown as typeof global.TextDecoder;
+});
+
+function mockClusterConfig(clusterName: string, config: Record<string, unknown> | null) {
+  // eslint-disable-next-line @typescript-eslint/no-explicit-any
+  (MockConfigStore as any).mockImplementation(() => ({
+    get: () => (config ? { [clusterName]: config } : null),
+  }));
+}
+
+describe('isHttpUrl', () => {
+  test.each([
+    ['http://prometheus.example.com', true],
+    ['https://prometheus.example.com', true],
+    ['http://prometheus.example.com:9090', true],
+    ['https://prometheus.example.com/api/v1', true],
+    ['', false],
+    ['monitoring/prometheus', false],
+    ['ftp://example.com', false],
+    ['not a url', false],
+  ])('isHttpUrl(%s) returns %s', (input, expected) => {
+    expect(isHttpUrl(input)).toBe(expected);
+  });
+});
+
+describe('getPrometheusPrefix', () => {
+  beforeEach(() => {
+    vi.clearAllMocks();
+  });
+
+  describe('auto-detect mode', () => {
+    test('returns detected endpoint when prometheus is found', async () => {
+      mockClusterConfig('test-cluster', { autoDetect: true });
+      mockIsPrometheusInstalled.mockResolvedValue({
+        type: KubernetesType.services,
+        namespace: 'monitoring',
+        name: 'prometheus',
+        port: '9090',
+      });
+
+      const result = await getPrometheusPrefix('test-cluster');
+      expect(result).toBe('monitoring/services/prometheus:9090');
+    });
+
+    test('returns endpoint without port when port is empty', async () => {
+      mockClusterConfig('test-cluster', { autoDetect: true });
+      mockIsPrometheusInstalled.mockResolvedValue({
+        type: KubernetesType.services,
+        namespace: 'monitoring',
+        name: 'prometheus',
+        port: '',
+      });
+
+      const result = await getPrometheusPrefix('test-cluster');
+      expect(result).toBe('monitoring/services/prometheus');
+    });
+
+    test('returns null when no prometheus is found', async () => {
+      mockClusterConfig('test-cluster', { autoDetect: true });
+      mockIsPrometheusInstalled.mockResolvedValue({
+        type: KubernetesType.none,
+        namespace: '',
+        name: '',
+        port: '',
+      });
+
+      const result = await getPrometheusPrefix('test-cluster');
+      expect(result).toBeNull();
+    });
+
+    test('takes priority over manual address', async () => {
+      mockClusterConfig('test-cluster', {
+        autoDetect: true,
+        address: 'https://manual-address.com',
+      });
+      mockIsPrometheusInstalled.mockResolvedValue({
+        type: KubernetesType.services,
+        namespace: 'monitoring',
+        name: 'prometheus',
+        port: '9090',
+      });
+
+      const result = await getPrometheusPrefix('test-cluster');
+      expect(result).toBe('monitoring/services/prometheus:9090');
+    });
+  });
+
+  describe('manual address mode', () => {
+    test.each([
+      ['http://prometheus.example.com:9090', 'http://prometheus.example.com:9090'],
+      ['https://prometheus.example.com', 'https://prometheus.example.com'],
+      ['https://prometheus.example.com/', 'https://prometheus.example.com'],
+      ['monitoring/prometheus:9090', 'monitoring/services/prometheus:9090'],
+      ['  monitoring/prometheus:9090  ', 'monitoring/services/prometheus:9090'],
+    ])('address "%s" returns "%s"', async (address, expected) => {
+      mockClusterConfig('test-cluster', { autoDetect: false, address });
+      const result = await getPrometheusPrefix('test-cluster');
+      expect(result).toBe(expected);
+    });
+
+    test('returns null for invalid address format', async () => {
+      mockClusterConfig('test-cluster', { autoDetect: false, address: 'invalid-format' });
+      const result = await getPrometheusPrefix('test-cluster');
+      expect(result).toBeNull();
+    });
+  });
+
+  describe('no configuration', () => {
+    test('returns null when cluster config is null', async () => {
+      mockClusterConfig('test-cluster', null);
+      const result = await getPrometheusPrefix('test-cluster');
+      expect(result).toBeNull();
+    });
+
+    test('returns null when neither autoDetect nor address is set', async () => {
+      mockClusterConfig('test-cluster', {});
+      const result = await getPrometheusPrefix('test-cluster');
+      expect(result).toBeNull();
+    });
+  });
 });
 
 describe('getTimeRangeAndStepSize', () => {
-  // Mock the current timestamp for consistent testing
   const mockNow = 1700000000;
-  const day = 86400; // seconds in a day
+  const day = 86400;
 
   beforeEach(() => {
-    vitest.spyOn(Date, 'now').mockImplementation(() => mockNow * 1000);
+    vi.spyOn(Date, 'now').mockImplementation(() => mockNow * 1000);
   });
 
   afterEach(() => {
-    vitest.restoreAllMocks();
+    vi.restoreAllMocks();
   });
 
   test.each([
@@ -38,68 +178,24 @@ describe('getTimeRangeAndStepSize', () => {
     [
       'yesterday',
       'medium',
-      {
-        from: mockNow - (mockNow % day) - day,
-        to: mockNow - (mockNow % day),
-        step: 345,
-      },
+      { from: mockNow - (mockNow % day) - day, to: mockNow - (mockNow % day), step: 345 },
     ],
     ['week', 'medium', { from: mockNow - 7 * day, to: mockNow, step: 2419 }],
-    [
-      'lastweek',
-      'medium',
-      {
-        from: mockNow - 14 * day,
-        to: mockNow - 7 * day,
-        step: 2419,
-      },
-    ],
-
-    // Different resolutions with same interval
-    ['1h', 'low', { from: mockNow - 3600, to: mockNow, step: 36 }], // timeRange / 100
-    ['1h', 'medium', { from: mockNow - 3600, to: mockNow, step: 14 }], // timeRange / 250
-    ['1h', 'high', { from: mockNow - 3600, to: mockNow, step: 4 }], // timeRange / 750
-
-    // Fixed step sizes with same interval
+    ['lastweek', 'medium', { from: mockNow - 14 * day, to: mockNow - 7 * day, step: 2419 }],
+    // Different resolutions
+    ['1h', 'low', { from: mockNow - 3600, to: mockNow, step: 36 }],
+    ['1h', 'medium', { from: mockNow - 3600, to: mockNow, step: 14 }],
+    ['1h', 'high', { from: mockNow - 3600, to: mockNow, step: 4 }],
+    // Fixed step sizes
     ['1h', '30s', { from: mockNow - 3600, to: mockNow, step: 30 }],
     ['1h', '15m', { from: mockNow - 3600, to: mockNow, step: 900 }],
     ['1h', '1h', { from: mockNow - 3600, to: mockNow, step: 3600 }],
-
     // Edge cases
-    ['1m', 'medium', { from: mockNow - 60, to: mockNow, step: 1 }], // Minimum step size is 1
-    ['14d', 'medium', { from: mockNow - 14 * day, to: mockNow, step: 4838 }], // Large time range
-    [
-      'invalid', // Falls back to 10 minutes interval
-      'medium',
-      {
-        from: mockNow - 600,
-        to: mockNow,
-        step: 2,
-      },
-    ],
-    [
-      '1h',
-      'invalid', // Falls back to medium resolution
-      { from: mockNow - 3600, to: mockNow, step: 14 },
-    ],
-  ])(
-    'should return correct timeRange and stepSize for %s interval and %s resolution',
-    (interval, resolution, expected) => {
-      const result = getTimeRangeAndStepSize(interval, resolution);
-      expect(result).toEqual(expected);
-    }
-  );
-
-  test('should handle different timestamps correctly', () => {
-    // Test with a specific timestamp
-    const specificTime = 1600000000;
-    vitest.spyOn(Date, 'now').mockImplementation(() => specificTime * 1000);
-
-    const result = getTimeRangeAndStepSize('1h', 'medium');
-    expect(result).toEqual({
-      from: specificTime - 3600,
-      to: specificTime,
-      step: 14,
-    });
+    ['1m', 'medium', { from: mockNow - 60, to: mockNow, step: 1 }],
+    ['14d', 'medium', { from: mockNow - 14 * day, to: mockNow, step: 4838 }],
+    ['invalid', 'medium', { from: mockNow - 600, to: mockNow, step: 2 }],
+    ['1h', 'invalid', { from: mockNow - 3600, to: mockNow, step: 14 }],
+  ])('interval=%s resolution=%s', (interval, resolution, expected) => {
+    expect(getTimeRangeAndStepSize(interval, resolution)).toEqual(expected);
   });
 });
diff --git a/prometheus/src/util.ts b/prometheus/src/util.ts
index c7c6f08cc..04d4a8168 100644
--- a/prometheus/src/util.ts
+++ b/prometheus/src/util.ts
@@ -4,6 +4,7 @@ import { NodeClaimCreationChart } from './components/Chart/KarpenterNodeClaimCre
 import { KarpenterNodeClaimsProvisionChart } from './components/Chart/KarpenterNodeClaimProvisionChart/KarpenterNodeClaimProvisionChart';
 import { KarpenterNodePoolResourceChart } from './components/Chart/KarpenterNodePoolResourceChart/KarpenterNodePoolResourceChart';
 import { KarpenterPendingPods } from './components/Chart/KarpenterPendingPods/KarpenterPendingPods';
+import { isHttpUrl } from './helpers';
 import { isPrometheusInstalled, KubernetesType } from './request';
 
 export const PLUGIN_NAME = 'prometheus';
@@ -100,27 +101,50 @@ export function isMetricsEnabled(cluster: string): boolean {
 }
 
 /**
- * getPrometheusPrefix returns the prefix for the Prometheus metrics.
+ * Resolves the base address for accessing Prometheus for a cluster.
+ *
+ * The configured `address` may be either:
+ *   - a full HTTP/HTTPS URL (returned as-is), or
+ *   - a Kubernetes service spec in the form `namespace/service:port`.
+ *
+ * For non-URL addresses, this function returns a Kubernetes API proxy prefix, e.g.:
+ *   - `{namespace}/services/{service}:{port}` for manually configured service addresses, or
+ *   - `{namespace}/{type}/{name}:{port}` when autodetected (where `type` may be `services` or `pods`).
+ *
  * @param {string} cluster - The name of the cluster.
- * @returns {Promise<string | null>} The prefix for the Prometheus metrics, or null if not found.
+ * @returns {Promise<string | null>} A full URL or Kubernetes API proxy prefix for Prometheus, or null if none is found.
  */
 export async function getPrometheusPrefix(cluster: string): Promise<string | null> {
-  // check if cluster has autoDetect enabled
-  // if so return the prometheus pod address
   const clusterData = getClusterConfig(cluster);
+
+  // 1. Auto-detect takes priority when enabled
   if (clusterData?.autoDetect) {
     const prometheusEndpoint = await isPrometheusInstalled();
     if (prometheusEndpoint.type === KubernetesType.none) {
       return null;
     }
+
     const prometheusPortStr = prometheusEndpoint.port ? `:${prometheusEndpoint.port}` : '';
     return `${prometheusEndpoint.namespace}/${prometheusEndpoint.type}/${prometheusEndpoint.name}${prometheusPortStr}`;
   }
 
+  // 2. Manual address (only when autoDetect is not enabled)
   if (clusterData?.address) {
-    const [namespace, service] = clusterData?.address.split('/');
-    return `${namespace}/services/${service}`;
+    const address = clusterData.address.trim().replace(/\/$/, '');
+
+    if (isHttpUrl(address)) {
+      return address;
+    }
+
+    // Expected Kubernetes service proxy format: namespace/service:port
+    // Validate that a numeric port is provided to avoid ambiguous multi-port services.
+    const serviceMatch = address.match(/^([^/]+)\/([^/:]+):(\d+)$/);
+    if (serviceMatch) {
+      const [, namespace, service, port] = serviceMatch;
+      return `${namespace}/services/${service}:${port}`;
+    }
   }
+
   return null;
 }