Oh, just replied on the other thread (https://xfrocks.com/api-support/thr...er-upgrades-between-multiple-xf-installs.557/). Yes, it is possible. Can I synchronize accounts and user upgrades between multiple XF installs? Can I use this to synch accounts & user upgrades for members between sites? i.e. a member can log into site A and purchase a user upgrade, which will... xfrocks.com