diff --git a/index.js b/index.js
index 44648e2..5210d91 100644
--- a/index.js
+++ b/index.js
@@ -46,7 +46,12 @@ http
       statusCode = 404;
     }
 
-    response.writeHead(statusCode, { "Content-Type": "application/json" });
+    response.writeHead(statusCode, {
+      "Access-Control-Allow-Origin": "*",
+      "Access-Control-Allow-Methods": "OPTIONS, POST, GET",
+      "Access-Control-Max-Age": 2592000, // 30 days
+      "Content-Type": "application/json",
+    });
     response.end(JSON.stringify(responseBody));
   })
   .listen(8888);