curl --request GET \
  --url https://api.gcore.com/storage/provisioning/v3/storages/sftp \
  --header 'Authorization: <api-key>'

{
  "count": 1,
  "results": [
    {
      "address": "mia.origin.gcdn.co",
      "created_at": "2025-08-05 09:17:02.095832+00:00",
      "credentials": {
        "sftp_password": "Xy9$mN2p!qR8",
        "ssh_keys": [
          {
            "created_at": "2025-08-05 09:15:00+00:00",
            "id": 123,
            "name": "my-production-key",
            "public_key": "ssh-rsa AAAAB3NzaC1yc2EAAA... user@example.com"
          }
        ]
      },
      "id": 1,
      "location_name": "mia",
      "name": "my-sftp-storage",
      "provisioning_status": "ok",
      "custom_config_file": false,
      "disable_http": false,
      "expires": "2 years 6 months",
      "server_alias": "my-storage.example.com"
    }
  ]
}