curl --request GET \
  --url https://platform.unstructuredapp.io/api/v1/workflows/{workflow_id}/notifications/channels/{channel_id}

{
  "id": "<string>",
  "event_types": [
    "<string>"
  ],
  "enabled": true,
  "created_at": "2023-11-07T05:31:56Z",
  "updated_at": "2023-11-07T05:31:56Z",
  "url": "<string>",
  "channel_type": "webhook",
  "description": "<string>"
}