curl --request POST \
  --url https://api.gcore.com/cloud/v1/instances/{project_id}/{region_id}/{instance_id}/reboot \
  --header 'Authorization: <api-key>'

{
  "count": 1,
  "results": [
    {
      "addresses": {},
      "blackhole_ports": [
        {
          "AlarmEnd": "2023-11-07T05:31:56Z",
          "AlarmStart": "2023-11-07T05:31:56Z",
          "AlarmState": "ACK_REQ",
          "AlertDuration": "<string>",
          "DestinationIP": "<string>",
          "ID": 123
        }
      ],
      "created_at": "2023-11-07T05:31:56Z",
      "creator_task_id": "<string>",
      "ddos_profile": {
        "fields": [
          {
            "base_field": 10,
            "default": null,
            "description": "ARK server ports. Valid port values are in range 1000-65535",
            "field_name": "ARK Ports",
            "field_type": null,
            "field_value": "<unknown>",
            "id": 123,
            "name": "<string>",
            "required": true,
            "validation_schema": "<unknown>",
            "value": null
          }
        ],
        "id": 123,
        "options": {
          "active": true,
          "bgp": true
        },
        "profile_template": {
          "description": "description",
          "fields": [
            {
              "default": null,
              "description": "ARK server ports. Valid port values are in range 1000-65535",
              "field_type": null,
              "id": 123,
              "name": "<string>",
              "required": true,
              "validation_schema": "<unknown>"
            }
          ],
          "id": 123,
          "name": "<string>"
        },
        "profile_template_description": "ARK server ports. Valid port values are in range 1000-65535",
        "protocols": [
          {
            "port": "80",
            "protocols": [
              "TCP",
              "HTTP"
            ]
          },
          {
            "port": "53",
            "protocols": [
              "UDP"
            ]
          }
        ],
        "site": "ED",
        "status": {
          "error_description": "",
          "status": "Updated"
        }
      },
      "fixed_ip_assignments": [
        {
          "external": true,
          "ip_address": "<string>",
          "subnet_id": "<string>"
        }
      ],
      "flavor": {
        "architecture": "<string>",
        "flavor_id": "<string>",
        "flavor_name": "<string>",
        "hardware_description": {
          "ram": "<string>",
          "vcpus": "<string>"
        },
        "os_type": "<string>",
        "ram": 123,
        "vcpus": 123
      },
      "id": "<string>",
      "instance_description": "Instance description",
      "instance_isolation": {
        "reason": "Suspicious activities"
      },
      "name": "<string>",
      "project_id": 123,
      "region": "<string>",
      "region_id": 123,
      "security_groups": [
        {
          "name": "<string>"
        }
      ],
      "ssh_key_name": "<string>",
      "status": "ACTIVE",
      "tags": [
        {
          "key": "<string>",
          "read_only": true,
          "value": "<string>"
        }
      ],
      "task_id": null,
      "task_state": "<string>",
      "vm_state": "active",
      "volumes": [
        {
          "delete_on_termination": true,
          "id": "<string>"
        }
      ]
    }
  ]
}