RTMP relay from Streamyard
Event configuration in Clevercast
When creating an event in Clevercast, choose RTMP from North America, Streamyard, Zoom... for T@H and Captions or RTMP from North America, Streamyard, Zoom... as the broadcast protocol.
Create a custom RTMP destination in Streamyard.
Copy the URL and stream key from the event's Broadcast tab to configure the custom RTMP destination.