If the org is splitting an Org split would be the easiest way to handle this: https://documentation.meraki.com/General_Administration/Organizations_and_Networks/Organization_Split_Overview_and_FAQ If it's for other reasons where a split is not feasible, there is a marketplace offering: https://www.boundlessdigital.com/product/migration/ I've not used it so can't vouch for it. Otherwise for the API you are looking at developing something to run  MANY MANY API GETs and PUTs/UPDATEs. Unless you have access to a full time developer a tool like Boundless' is probably going to be more affordable.   If it's a small number of simple things, a manual process could be most cost effective, even while being tedious. ... View more