in visualize.js user name and password is showing in the link
i want to hide username and password from url.
It's probably because you're using plain text as authentication method. Have you tried using SSO?
That said, by looking at codes for hook authentication, it's obvious Visualize.js is passing userid and password in url.
Also, check about using without authentication. If you can authenticate using other apps, you don't need to send userid/password. This may be safer.