This incident has been resolved.

The issue is now resolved and we are continuing to monitor the performance.
Please use the default RTMP URL below:
rtmps://rtmp-global.cloud.vimeo.com:443/live

We have recently become aware of an issue with streaming to our servers from Europe with rtmps://rtmp-global.cloud.vimeo.com:443/live

In the meantime, we recommend switching to the European ingest proxy

rtmp://rtmp-europe-west3.cloud.vimeo.com/live

The stream key will remain the same.