Netatmo have had issue with their API the last couple of days. Should be fixed now
https://status.netatmo.com/issue/2fc2066a-dc0d-4f84-9808-d43ef8d3906f
And yes, they have removed the official support.
We never had Netatmo in the UK, but we had a workaround. I have modified and added new features to the Netatmo integration