Toward the bottom of a Network’s page. There is a section titled “Sharing”
You can allow another my.zerotier.com user permission to
Read. They can look at the network but not change anything
Authorize. Allow them to Authorize new members, but not make other changes.
Modify. Allow them to change any settings on this Network.
Delete. Allow them to delete the network.
A user’s Internal ID is listed on their account page.