Rescaling REST API not working

[Aarsh Shah]

Hello,
I tried to call the rescaling api with patch to automatically rescale, but
it shows 503, is it deprecated? because it is present in the docs too, and
if it is deprecated, is there any API through which I can rescale directly?
Because the mode which we are using is not the reactive mode, we need to
either come up with a script kind of thing or if there is an API, our time
would be saved.
Please help.
Thank you.