I just checked your account and all looks good. You have activated inside pages and refresh on-demand.
It could be a usage issue, so to save time, I'm posting a link to our PRO features usage guide:
If that does not solve your issue, then please do forward us more information including a sample request that does not work for you. We'll look into and update you quickly.
p.s. you have an impressive amount of sites and content you maintain!