Travel Tools - Hotel Room Availability Search

I tried finding this but didn't know if it exists. I'm looking for a search tool that can show you a hotel's room availability and types available -- similar to Expert Flyer for flights. This way you could know which hotels had suites/upgrades and how many available before booking a nonrefundable standard room. Although a suite may be available at the time of booking it may be gone by the time you check in, but if you are booking 3days out and 15 suites are left its a good guess you'll get one. I don't want to have to call each hotel and thought this would be useful. If you know of anything like this lmk.

Thanks!