curl --request POST \
  --url https://email.universal.rollout.com/api/webhooks \
  --header 'Content-Type: application/json' \
  --data '
{
  "url": "<string>",
  "event": "<string>",
  "filters": {}
}
'

{
  "id": "<string>",
  "status": "<string>",
  "event": "<string>",
  "url": "<string>",
  "filters": {}
}