fixed #91

NEWS.md

@@ -1,6 +1,10 @@
 1.6.3 -- 2014-MM-DD
 -------------------
 
+Bug fixes: 
+
+* layergroup accept both map_key and api_key (#91)
+
 1.6.2 -- 2014-01-23
 -------------------
 

lib/cartodb/server_options.js

@@ -290,7 +290,7 @@ module.exports = function(){
 
         var dbName = req.params.dbname;
         var usr    = this.userByReq(req);
-        var key    = req.params.map_key;
+        var key    = req.params.map_key || req.params.api_key;
 
         var cacheKey = dbName + ':' + token;