diff --git a/src/main/java/info/istlab/Zemi01/chatgpt/ChatGPTExample.java b/src/main/java/info/istlab/Zemi01/chatgpt/ChatGPTExample.java
new file mode 100644
index 0000000..ac71c9a
--- /dev/null
+++ b/src/main/java/info/istlab/Zemi01/chatgpt/ChatGPTExample.java
@@ -0,0 +1,31 @@
+package info.istlab.Zemi01.chatgpt;
+
+import java.io.IOException;
+
+import okhttp3.MediaType;
+import okhttp3.OkHttpClient;
+import okhttp3.Request;
+import okhttp3.RequestBody;
+import okhttp3.Response;
+
+public class ChatGPTExample {
+    public static void main(String[] args) throws IOException {
+        String token = System.getenv("OPENAI_TOKEN");
+        OkHttpClient client = new OkHttpClient().newBuilder()
+                .build();
+        MediaType mediaType = MediaType.parse("application/json");
+        RequestBody body = RequestBody.create(mediaType,
+                "{\"model\": \"gpt-3.5-turbo\", \"messages\": [{\"role\": \"user\", \"content\": \"chatgptをJavaから使用する方法を教えてください。\"}], \"temperature\": 0.7 }"
+                );
+        Request request = new Request.Builder()
+                // .url("https://api.openai.com/v1/models")
+                .url("https://api.openai.com/v1/chat/completions")
+                .method("POST", body)
+                .addHeader("Content-Type", "application/json")
+                .addHeader("OpenAI-Organization", "org-Fm8WLrwieG7Z3n0HU3PVvT95")
+                .addHeader("Authorization", "Bearer "+token)
+                .build();
+        Response response = client.newCall(request).execute();
+        System.out.println(response.body().string());
+    }
+}