curl --request POST \
  --url https://api.givebutter.com/v1/webhooks \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "url": "<string>",
  "event": "campaign.created",
  "events": "campaign.created",
  "name": "<string>",
  "enabled": true
}
'

{
  "id": "<string>",
  "name": "<string>",
  "events": [
    "<unknown>"
  ],
  "enabled": true,
  "url": "<string>",
  "last_status": "<string>",
  "last_status_description": "<string>",
  "last_used_at": "<string>",
  "created_at": "<string>",
  "updated_at": "<string>"
}