diff --git a/client/data/src/main/java/res/DataController.java b/client/data/src/main/java/res/DataController.java
index bd00842..1ac15b5 100644
--- a/client/data/src/main/java/res/DataController.java
+++ b/client/data/src/main/java/res/DataController.java
@@ -34,7 +34,8 @@ public class DataController {
             USER_ID = Long.parseLong(httpRequest.sendPostRequest(
                     LOGIN_ENDPOINT,
                     "login=" + username
-                            + "&password=" + password
+                            + "&password=" + password,
+                    false
             ));
         } catch (Exception e) {
             e.printStackTrace();
@@ -45,7 +46,7 @@ public class DataController {
 
     public void createEvent(Event event) {
         try {
-            System.out.println(httpRequest.sendPostRequest(ADD_EVENT_ENDPOINT, event.getAsUrlParam()));
+            System.out.println(httpRequest.sendPostRequest(ADD_EVENT_ENDPOINT, event.getAsUrlParam(), true));
         } catch (Exception e) {
             throw new RuntimeException("Es konnte keine Verbindung mit dem Server hergestellt werden.");
         }
@@ -53,7 +54,7 @@ public class DataController {
 
     public void deleteEvent(int eventId) {
         try {
-            System.out.println(httpRequest.sendPostRequest(DELETE_EVENT_ENDPOINT, "eventId=" + eventId));
+            System.out.println(httpRequest.sendPostRequest(DELETE_EVENT_ENDPOINT, "eventId=" + eventId, true));
         } catch (Exception e) {
             e.printStackTrace();
         }
@@ -63,7 +64,7 @@ public class DataController {
         ArrayList<Event> eventList = new ArrayList<>();
 
         try {
-            String jsonResponse = httpRequest.sendPostRequest(ALL_EVENTS_ENDPOINT, "userId=" + USER_ID);
+            String jsonResponse = httpRequest.sendPostRequest(ALL_EVENTS_ENDPOINT, "userId=" + USER_ID, true);
             System.out.println(jsonResponse);
 
             ObjectMapper objectMapper = new ObjectMapper();
diff --git a/client/data/src/main/java/res/HttpRequest.java b/client/data/src/main/java/res/HttpRequest.java
index c565e31..398f157 100644
--- a/client/data/src/main/java/res/HttpRequest.java
+++ b/client/data/src/main/java/res/HttpRequest.java
@@ -9,10 +9,23 @@ import java.nio.charset.StandardCharsets;
 import java.util.Arrays;
 
 public class HttpRequest {
-    public String sendPostRequest(String urlString, String urlParameters) throws Exception {
+    public String sendPostRequest(String urlString, String urlParameters, boolean sendAuth) throws Exception {
         byte[] postData = urlParameters.getBytes(StandardCharsets.UTF_8);
         int postDataLength = postData.length;
 
+        /*
+        URL url = new URL("http://test.de:8080/event/add");
+        HttpURLConnection http = (HttpURLConnection)url.openConnection();
+        http.setRequestMethod("POST");
+        http.setDoOutput(true);
+        http.setRequestProperty("Accept", "application/json");
+        http.setRequestProperty("Authorization", "Bearer {token}");
+        http.setRequestProperty("Content-Type", "");
+        http.setRequestProperty("Content-Length", "0");
+
+        System.out.println(http.getResponseCode() + " " + http.getResponseMessage());
+        http.disconnect();
+         */
         URL url = new URL(urlString);
         HttpURLConnection con = (HttpURLConnection) url.openConnection();
 
@@ -23,6 +36,12 @@ public class HttpRequest {
         con.setRequestProperty("charset", "utf-8");
         con.setRequestProperty("Content-Length", Integer.toString(postDataLength));
         con.setUseCaches(false);
+
+        if(sendAuth){
+            con.setRequestProperty("Accept", "application/json");
+            con.setRequestProperty("Authorization", "Bearer {token}");
+        }
+
         try (DataOutputStream wr = new DataOutputStream(con.getOutputStream())) {
             wr.write(postData);
         }