I was trying to acess http://xml.heroesofnewerth.com/
but it does not work with a senseless explanation:

Create a Heroes of Newerth Account - CLOSED
April 28, 2010 5:00am EST. We are running scheduled maintenance on our web and databases for ~4-6 hours. During this window game play and the website will be affected. You will be UNABLE to play during this time period while we are working on the systems. We thank you in advance for your patience.
Beta account creation will be made available again as soon as we have finished the upgrades.

Regards,
S2 Staff
April 28? well it is May
Create a hon account closed? you can create by main page

I think it is just outdated, I hope you fix it soon