I was just wondering if there are any providers out there that offer half hour rates?

tones of them go to a sight room service bodyoassiss alot jusr\t surf the sights

I do!!(incalls only)

Room Service seems to prefer half hour appointments.  Often you will get one whether you wanted one or not.

It's incall but  I would have to see you first on an outcall basis  at full hour rate and get to know you first before inviteing you to my incall location.