curl --request GET \
  --url https://api.example.com/api/v1/proxies/{proxy_id}/keys

{
  "items": [
    {
      "key": "<string>",
      "name": "<string>",
      "proxy_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "created_at": "2023-11-07T05:31:56Z"
    }
  ],
  "total": 123,
  "limit": 123,
  "offset": 123
}