diff --git a/.env b/.env
new file mode 100644
index 0000000..cc1fcbc
--- /dev/null
+++ b/.env
@@ -0,0 +1,3 @@
+# .env file
+
+API_KEY="^YWUbG7yX*V!tV^KBSd*2c&vdN3wV9a2i7f3hfGFMBYFxi6#mMiJGiaA5KEHE%B*miK%qb7rQ67gmcYP@gqmux8"
\ No newline at end of file
diff --git a/Classes/main_classes.py b/Classes/main_classes.py
index 00bea46..3dc5c08 100644
--- a/Classes/main_classes.py
+++ b/Classes/main_classes.py
@@ -3,7 +3,7 @@ from pydantic import BaseModel
 class CL_Ping_Set(BaseModel):
     ## Test
     name: str
-    ipadress: str
+    ipaddress: str
 
 
 class CL_Database_get(BaseModel):
diff --git a/auth.py b/auth.py
new file mode 100644
index 0000000..066c9d5
--- /dev/null
+++ b/auth.py
@@ -0,0 +1,25 @@
+from fastapi.security.api_key import APIKeyHeader
+from fastapi import Security, HTTPException, Depends
+from starlette.status import HTTP_403_FORBIDDEN
+from pydantic_settings import BaseSettings
+from functools import lru_cache
+
+api_key_header = APIKeyHeader(name="access_token", auto_error=False)
+
+class Settings(BaseSettings):
+        API_KEY: str
+        class Config:
+            env_file = ".env"
+
+@lru_cache()
+def get_settings():
+    return Settings()
+
+async def get_api_key(settings: Settings = Depends(get_settings), api_key_header: str = Security(api_key_header)):
+    print(settings)
+    if api_key_header == settings.API_KEY:
+        return api_key_header
+    else:
+        raise HTTPException(
+            status_code=HTTP_403_FORBIDDEN, detail="Could not validate API KEY"
+        )
diff --git a/main.py b/main.py
index 611e2b4..c05ad31 100644
--- a/main.py
+++ b/main.py
@@ -1,10 +1,12 @@
-from fastapi import FastAPI
-from pydantic import BaseModel
+from fastapi import FastAPI,Depends
 import mysql.connector
 from datetime import datetime
 import Classes.main_classes as CL ## Importiert Classes
 import uvicorn
 import logging
+import auth
+from fastapi.security.api_key import APIKey
+
 
 logging.basicConfig(level=logging.DEBUG)   # add this line
 logger = logging.getLogger("foo")
@@ -49,8 +51,8 @@ def database(query,name,user):
 app = FastAPI()
 
 @app.post("/ping")
-async def ping(ping: CL.CL_Ping_Set):
-    database(f"INSERT INTO `Ping-Server` VALUES ('{datetime.now()}','{ping.name}','{ping.ipadress}')","Stines-GmbH","")
+async def ping(ping: CL.CL_Ping_Set,api_key: APIKey = Depends(auth.get_api_key)):
+    database(f"INSERT INTO `Ping-Server` VALUES ('{datetime.now()}','{ping.name}','{ping.ipaddress}')","Stines-GmbH","")
     return f"ADD Ping from {ping.name} to Server"
 
 ## Get Database from Server