我终于能够发现我失败的地方.

Finally i´ve been able to discover where i was failing.

我正在使用这个网址

http://www.myweb.com/ws-apps/push_notifications/1234

但我也忘记在 URL 中指定语言......调用以下 URL 我能够让它工作.

But i forgot to specify the language too in the URL... Calling the following URL I was able to get this working.

http://www.myweb.com/en/ws-apps/push_notifications/1234

我希望这对未来的其他人有用.

I hope this could be useful for someone else in future.