Object Change Instance

HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "id": 3985,
    "url": "https://netbox.c3voc.de/api/core/object-changes/3985/?format=api",
    "display_url": "https://netbox.c3voc.de/core/changelog/3985/?format=api",
    "display": "DCIM | device type DM 20 updated by zoe",
    "time": "2026-09-26T12:20:56.517857Z",
    "user": {
        "id": 38,
        "url": "https://netbox.c3voc.de/api/users/users/38/?format=api",
        "display": "zoe (Zoe)",
        "username": "zoe"
    },
    "user_name": "zoe",
    "request_id": "c6fe5a7c-3c38-4e72-97dd-e3f251c89d3b",
    "action": {
        "value": "update",
        "label": "Updated"
    },
    "changed_object_type": "dcim.devicetype",
    "changed_object_id": 25,
    "changed_object": {
        "id": 25,
        "url": "https://netbox.c3voc.de/api/dcim/device-types/25/?format=api",
        "display": "DM 20",
        "manufacturer": {
            "id": 13,
            "url": "https://netbox.c3voc.de/api/dcim/manufacturers/13/?format=api",
            "display": "the t.mix",
            "name": "the t.mix",
            "slug": "the-t-mix",
            "description": ""
        },
        "model": "DM 20",
        "slug": "the-tmix-dm20",
        "description": "",
        "device_count": 1
    },
    "object_repr": "DM 20",
    "message": "",
    "prechange_data": {
        "slug": "the-tmix-dm20-network",
        "tags": [],
        "model": "DM 20 (Network Only)",
        "weight": null,
        "airflow": "passive",
        "comments": "",
        "u_height": "3.0",
        "rear_image": "",
        "description": "",
        "front_image": "",
        "part_number": "409051",
        "weight_unit": null,
        "manufacturer": 13,
        "custom_fields": {},
        "is_full_depth": false,
        "subdevice_role": null,
        "default_platform": null,
        "exclude_from_utilization": false,
        "interface_template_count": 1,
        "rear_port_template_count": 0,
        "device_bay_template_count": 0,
        "front_port_template_count": 0,
        "module_bay_template_count": 0,
        "power_port_template_count": 1,
        "console_port_template_count": 0,
        "power_outlet_template_count": 0,
        "inventory_item_template_count": 0,
        "console_server_port_template_count": 0
    },
    "postchange_data": {
        "slug": "the-tmix-dm20-network",
        "tags": [],
        "model": "DM 20",
        "weight": null,
        "airflow": "passive",
        "comments": "",
        "u_height": "3.0",
        "rear_image": "",
        "description": "",
        "front_image": "",
        "part_number": "409051",
        "weight_unit": null,
        "manufacturer": 13,
        "custom_fields": {},
        "is_full_depth": false,
        "subdevice_role": null,
        "default_platform": null,
        "exclude_from_utilization": false,
        "interface_template_count": 1,
        "rear_port_template_count": 0,
        "device_bay_template_count": 0,
        "front_port_template_count": 0,
        "module_bay_template_count": 0,
        "power_port_template_count": 1,
        "console_port_template_count": 0,
        "power_outlet_template_count": 0,
        "inventory_item_template_count": 0,
        "console_server_port_template_count": 0
    }
}