diff --git a/core/grafana_client.py b/core/grafana_client.py
index 6ddb1e9..10f5f28 100644
--- a/core/grafana_client.py
+++ b/core/grafana_client.py
@@ -20,19 +20,25 @@ class GrafanaClient:
         Initialize the Grafana client.
 
         Args:
-            server: dict with keys: ip, port, api_token, use_ssl
+            server: dict with keys: ip, port, api_token (or user+password), use_ssl
         """
         self.ip: str = server["ip"]
         self.port: int = int(server["port"])
-        self.api_token: str = server["api_token"]
+        self.api_token: str = server.get("api_token", "")
+        self.user: str = server.get("user", "")
+        self.password: str = server.get("password", "")
         self.use_ssl: bool = bool(server.get("use_ssl", False))
 
         scheme = "https" if self.use_ssl else "http"
         self.base_url: str = f"{scheme}://{self.ip}:{self.port}"
-        self.headers: dict[str, str] = {
-            "Authorization": f"Bearer {self.api_token}",
-            "Content-Type": "application/json",
-        }
+        self.headers: dict[str, str] = {"Content-Type": "application/json"}
+        self.auth: tuple[str, str] | None = None
+
+        if self.api_token:
+            self.headers["Authorization"] = f"Bearer {self.api_token}"
+        elif self.user and self.password:
+            self.auth = (self.user, self.password)
+
         self.timeout: int = 10
 
     def _get(self, path: str, params: dict | None = None) -> Any:
@@ -42,7 +48,7 @@ class GrafanaClient:
         url = f"{self.base_url}{path}"
         log.debug("Grafana GET %s", url)
         resp = requests.get(
-            url, headers=self.headers, params=params, timeout=self.timeout
+            url, headers=self.headers, params=params, auth=self.auth, timeout=self.timeout
         )
         resp.raise_for_status()
         return resp.json()
@@ -54,7 +60,7 @@ class GrafanaClient:
         url = f"{self.base_url}{path}"
         log.debug("Grafana POST %s", url)
         resp = requests.post(
-            url, headers=self.headers, json=json_data, timeout=self.timeout
+            url, headers=self.headers, json=json_data, auth=self.auth, timeout=self.timeout
         )
         resp.raise_for_status()
         return resp.json()
diff --git a/gui/server_dialog.py b/gui/server_dialog.py
index 52aea6c..b855976 100644
--- a/gui/server_dialog.py
+++ b/gui/server_dialog.py
@@ -20,7 +20,7 @@ FIELD_MAP = {
     "mssql":      ["user", "password", "database"],
     "postgresql":  ["user", "password", "database"],
     "redis":      ["password", "db_index", "use_ssl"],
-    "grafana":    ["api_token", "use_ssl"],
+    "grafana":    ["user", "password", "api_token", "use_ssl"],
     "prometheus": ["use_ssl"],
     "rdp":        ["user", "password", "rdp_resolution", "rdp_quality", "rdp_clipboard", "rdp_drives", "rdp_printers"],
     "vnc":        ["password"],
diff --git a/releases/ServerManager-v1.9.35-win-x64.exe b/releases/ServerManager-v1.9.40-win-x64.exe
similarity index 98%
rename from releases/ServerManager-v1.9.35-win-x64.exe
rename to releases/ServerManager-v1.9.40-win-x64.exe
index 55ea78e..c9ab041 100644
Binary files a/releases/ServerManager-v1.9.35-win-x64.exe and b/releases/ServerManager-v1.9.40-win-x64.exe differ
diff --git a/tools/ssh.py b/tools/ssh.py
index 8a58d24..7b7232a 100644
--- a/tools/ssh.py
+++ b/tools/ssh.py
@@ -1511,16 +1511,19 @@ def _grafana_request(server: dict, endpoint: str) -> dict:
     import requests
     host = server["ip"]
     port = server.get("port", 3000)
-    protocol = "https" if server.get("ssl", False) else "http"
+    protocol = "https" if server.get("use_ssl", server.get("ssl", False)) else "http"
     base_url = server.get("base_url", f"{protocol}://{host}:{port}")
-    api_key = server.get("api_key", server.get("password", ""))
+    api_token = server.get("api_token", server.get("api_key", ""))
 
     headers = {}
-    if api_key:
-        headers["Authorization"] = f"Bearer {api_key}"
+    auth = None
+    if api_token:
+        headers["Authorization"] = f"Bearer {api_token}"
+    elif server.get("user") and server.get("password"):
+        auth = (server["user"], server["password"])
 
     url = f"{base_url.rstrip('/')}/api/{endpoint.lstrip('/')}"
-    resp = requests.get(url, headers=headers, timeout=15, verify=server.get("ssl_verify", True))
+    resp = requests.get(url, headers=headers, auth=auth, timeout=15, verify=server.get("ssl_verify", True))
     resp.raise_for_status()
     return resp.json()
 
diff --git a/version.py b/version.py
index 3878eb7..515f160 100755
--- a/version.py
+++ b/version.py
@@ -1,6 +1,6 @@
 """Version info for ServerManager."""
 
-__version__ = "1.9.39"
+__version__ = "1.9.40"
 __app_name__ = "ServerManager"
 __author__ = "aibot777"
 __description__ = "Desktop GUI for managing remote servers"