diff --git a/app/api.py b/app/api.py
index d99bc8f..5db1c67 100644
--- a/app/api.py
+++ b/app/api.py
@@ -159,21 +159,24 @@ def get_client_ip(request: Request) -> str:
     return "0.0.0.0"
 
 
-@router.get("/ip")
+@router.api_route('/ip', methods=["GET", "HEAD"])
 async def my_ip(request: Request, geo=Depends(get_geo)):
-    ip = get_client_ip(request)
-    data = geo.lookup(ip)
-    return Response(
-        content=data.__str__(), media_type="application/json", headers=geo_headers(data)
-    )
+    ip = get_client_ip(request)  # pobieranie IP:contentReference[oaicite:0]{index=0}
+    data = geo.lookup(ip)        # geo lookup:contentReference[oaicite:1]{index=1}:contentReference[oaicite:2]{index=2}
+    headers = _geo_headers(data)
+    if request.method == "HEAD":
+        return Response(status_code=200, headers=headers)
+    body = json.dumps(data, ensure_ascii=False) + "\n"
+    return Response(content=body, media_type="application/json", headers=headers)
 
-
-@router.get("/ip/{ip_address}")
+@router.api_route('/ip/{ip_address}', methods=["GET", "HEAD"])
 async def ip_lookup(ip_address: str, geo=Depends(get_geo)):
     data = geo.lookup(ip_address)
-    return Response(
-        content=data.__str__(), media_type="application/json", headers=geo_headers(data)
-    )
+    headers = _geo_headers(data)
+    if request.method == "HEAD":
+        return Response(status_code=200, headers=headers)
+    body = json.dumps(data, ensure_ascii=False) + "\n"
+    return Response(content=body, media_type="application/json", headers=headers)
 
 
 @router.post("/reload")
diff --git a/app/main.py b/app/main.py
index 5b5c36f..13086c2 100644
--- a/app/main.py
+++ b/app/main.py
@@ -41,7 +41,7 @@ async def favicon():
 @app.get("/")
 async def root(request: Request):
     ua = request.headers.get("user-agent", "").lower()
-    ip = get_client_ip(request)
+    ip = get_client_ip(request).strip()
 
     if any(x in ua for x in ["mozilla", "chrome", "safari", "edge", "firefox"]):
         return Response(status_code=404)