Correct response code when rate limit is exceeded

429 Rate Limit Exceeded response when there are too many requests.

Author: thoskn

routes/api.js

@@ -66,7 +66,7 @@ async function genUser(req, res, version) {
   const ip = req.headers['cf-connecting-ip'] || req.headers['x-real-ip'] || req.headers['x-forwarded-for'] || req.connection.remoteAddress;
 
   if (process.env.spec !== "true" && clients[ip] >= settings.limit) {
-    return res.status(503).json({
+    return res.status(429).json({
       error: `Whoa, ease up there cowboy. You've requested ${clients[ip]} users in the last minute. Help us keep this service free and spare some bandwidth for other users please :)`
     });
   }
@@ -226,4 +226,4 @@ async function genUser(req, res, version) {
   }
 }
 
-module.exports = router;
+module.exports = router;