diff --git a/src/main/java/com/example/e2eminimax/service/MinimaxService.java b/src/main/java/com/example/e2eminimax/service/MinimaxService.java
new file mode 100644
index 0000000..0167221
--- /dev/null
+++ b/src/main/java/com/example/e2eminimax/service/MinimaxService.java
@@ -0,0 +1,18 @@
+package com.example.e2eminimax.service;
+
+import org.springframework.stereotype.Service;
+
+@Service
+public class MinimaxService {
+
+    public String processRequest(String input) {
+        if (input == null || input.isBlank()) {
+            throw new IllegalArgumentException("Input cannot be null or blank");
+        }
+        return "Processed: " + input;
+    }
+
+    public boolean validateInput(String input) {
+        return input != null && !input.isBlank();
+    }
+}