Anyone else had issues adding Meraki using their API as a new node? I'm getting the following error on node creation:

I can manually run a GET from the poller and am getting JSON back with the expected result, it just seems to be from within Orion that it fails. I can see on the firewall that it is sending queries OK.
I found some older posts stating that there used to be an issue where it required TLS 1.0 however on performing a check of dashboard.meraki.com the site only supports 1.1 and 1.2.
My CR windows is closing so I'm going to give up for today but if anyone has come across this please do let me know what you did to resolve.