diff --git a/src/main/java/dev/exhq/Main.java b/src/main/java/dev/exhq/Main.java
index 3695d2c..4a31931 100644
--- a/src/main/java/dev/exhq/Main.java
+++ b/src/main/java/dev/exhq/Main.java
@@ -1,10 +1,12 @@
 package dev.exhq;
 
 import io.javalin.Javalin;
+import io.javalin.http.util.NaiveRateLimit;
 import io.javalin.websocket.WsContext;
 
 import java.time.Duration;
 import java.util.Objects;
+import java.util.concurrent.TimeUnit;
 import java.util.concurrent.atomic.AtomicReference;
 
 public class Main {
@@ -18,6 +20,7 @@ public class Main {
         AtomicReference<WsContext> client = new AtomicReference<>();
         Javalin app = Javalin.create();
         app.post("/send", ctx -> {
+            NaiveRateLimit.requestPerTimeUnit(ctx, 3, TimeUnit.MINUTES);
             if (client.get() == null) {
                 ctx.status(400).result("echo was not found");
                 return;