any collection with "collections" as the name is 404

(galaxydev) [jtanner@p1 galaxy_ng]$ curl 'https://beta-galaxy.ansible.com/api/v3/plugin/ansible/content/published/collections/index/oracleansible/collections/' | jq .
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100    69  100    69    0     0    496      0 --:--:-- --:--:-- --:--:--   500
{
  "errors": [
    {
      "status": "404",
      "code": "not_found",
      "title": "Not found."
    }
  ]
}