Update middleware/midware.js

middleware/midware.js

@@ -23,8 +23,17 @@ const authenticateApiKey = async (req, res, next) => {
 const apiLimiter = rateLimit({
   windowMs: 15 * 60 * 1000,
   max: 3,
-  keyGenerator: (req) => req.headers['x-api-key'],
-  message: 'Too many requests from this API Key'
+  keyGenerator: (req) => req.headers["x-api-key"],
+  standardHeaders: true,
+  legacyHeaders: false,
+  message: (req, res) => {
+    const retryAfterMs = res.getHeaders()["retry-after"] * 1000 || 15 * 60 * 1000;
+    const remainingSeconds = Math.ceil(retryAfterMs / 1000);
+    const remainingMinutes = Math.floor(remainingSeconds / 60);
+    return {
+      error: `Too many requests from this API Key. Try again later: ${remainingMinutes}m ${remainingSeconds % 60}s.`
+    };
+  }
 });
 
 class CheckMilWare {