> For clean Markdown of any page, append .md to the page URL.
> For a complete documentation index, see https://docs.nvidia.com/fleet-intel/llms.txt.
> For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://docs.nvidia.com/fleet-intel/_mcp/server.

# List impacted machines with alert summary (level 1)

GET /v1/alert_timeline/nodes

Returns a paginated list of nodes with per-node alert counts and inventory metadata for the Alerts panel. Use active=true for the Active Alerts view (only nodes with currently active alerts) or active=false for Historical Alerts. Cross-page aggregates (totalCritical, totalWarning, distinctGpuTypeCount, etc.) reflect the full filtered result set and drive table header counts. componentVisibility is resolved server-side from the user's auth persona and is not an HTTP parameter.

Reference: https://docs.nvidia.com/fleet-intel/fleet-intel/api-explorer/alerts/get-v-1-alert-timeline-nodes

## OpenAPI Specification

```yaml
openapi: 3.1.0
info:
  title: fleet-intelligence
  version: 1.0.0
paths:
  /v1/alert_timeline/nodes:
    get:
      operationId: getV1AlertTimelineNodes
      summary: List impacted machines with alert summary (level 1)
      description: >-
        Returns a paginated list of nodes with per-node alert counts and
        inventory metadata for the Alerts panel. Use active=true for the Active
        Alerts view (only nodes with currently active alerts) or active=false
        for Historical Alerts. Cross-page aggregates (totalCritical,
        totalWarning, distinctGpuTypeCount, etc.) reflect the full filtered
        result set and drive table header counts. componentVisibility is
        resolved server-side from the user's auth persona and is not an HTTP
        parameter.
      tags:
        - alerts
      parameters:
        - name: active
          in: query
          description: >-
            Active Alerts view when true; Historical Alerts when false (default:
            false)
          required: false
          schema:
            type: boolean
            default: false
        - name: page
          in: query
          description: 'Page number (0-indexed, default: 0)'
          required: false
          schema:
            type: integer
            default: 0
        - name: pageSize
          in: query
          description: 'Number of nodes per page (default: 50, max: 100)'
          required: false
          schema:
            type: integer
            default: 50
        - name: hostname
          in: query
          description: Case-insensitive partial match on hostname
          required: false
          schema:
            type: string
        - name: sortBy
          in: query
          description: >-
            Sortable table-header column. alert ranks by critical then warning
            count.
          required: false
          schema:
            $ref: '#/components/schemas/V1AlertTimelineNodesGetParametersSortBy'
            default: alert
        - name: order
          in: query
          description: Sort direction for sortBy
          required: false
          schema:
            $ref: '#/components/schemas/V1AlertTimelineNodesGetParametersOrder'
            default: desc
        - name: gpuTypes
          in: query
          description: Filter to nodes with matching GPU types (OR within dimension)
          required: false
          schema:
            type: array
            items:
              type: string
        - name: nodeGroupIds
          in: query
          description: >-
            Filter to nodes in matching node groups by node group ID (OR within
            dimension)
          required: false
          schema:
            type: array
            items:
              type: string
        - name: computeZoneIds
          in: query
          description: >-
            Filter to nodes in matching compute zones by compute zone ID (OR
            within dimension)
          required: false
          schema:
            type: array
            items:
              type: string
        - name: alertStates
          in: query
          description: >-
            Filter to nodes with at least one alert whose state matches (OR
            within dimension). Resolved applies to the Historical view only
            (active=false).
          required: false
          schema:
            type: array
            items:
              $ref: >-
                #/components/schemas/V1AlertTimelineNodesGetParametersAlertStatesSchemaItems
        - name: componentTypes
          in: query
          description: >-
            Filter to nodes with alerts on matching component types. Use the
            value 'psirt' to match all security-vulnerability CVEs (the
            collapsed 'Security Vulnerability' option).
          required: false
          schema:
            type: array
            items:
              type: string
      responses:
        '200':
          description: List of nodes with alert summary
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/models.AlertTimelineNodesResponse'
        '400':
          description: Bad Request - Invalid parameters
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/models.ErrorResponse'
        '401':
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/models.ErrorResponse'
        '499':
          description: Client Closed Request - request was canceled by the client
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/models.ErrorResponse'
        '500':
          description: Internal Server Error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/models.ErrorResponse'
components:
  schemas:
    V1AlertTimelineNodesGetParametersSortBy:
      type: string
      enum:
        - hostname
        - alert
        - gpuType
        - nodeGroup
        - computeZone
        - lastUpdate
      default: alert
      title: V1AlertTimelineNodesGetParametersSortBy
    V1AlertTimelineNodesGetParametersOrder:
      type: string
      enum:
        - asc
        - desc
      default: desc
      title: V1AlertTimelineNodesGetParametersOrder
    V1AlertTimelineNodesGetParametersAlertStatesSchemaItems:
      type: string
      enum:
        - Critical
        - Warning
        - Resolved
      title: V1AlertTimelineNodesGetParametersAlertStatesSchemaItems
    models.AlertTimelineNode:
      type: object
      properties:
        computeZone:
          type: string
          description: Compute zone display name
        criticalCount:
          type: integer
          description: >-
            Count of Critical alerts on this node (respects filters and
            component visibility)
        gpuType:
          type: string
          description: GPU product name from node inventory
        hostStatus:
          type: string
          description: >-
            Deprecated: use criticalCount/warningCount; kept for backward
            compatibility
        hostname:
          type: string
        lastAlertTime:
          type: string
        nodeGroup:
          type: string
          description: Node group display name
        nodeUuid:
          type: string
        resolvedCount:
          type: integer
          description: Count of Resolved alerts; historical view only (0 when active=true)
        warningCount:
          type: integer
          description: Count of Warning alerts on this node
      title: models.AlertTimelineNode
    models.AlertTimelineNodesResponse:
      type: object
      properties:
        distinctComputeZoneCount:
          type: integer
          description: Distinct compute zones among matching nodes
        distinctGpuTypeCount:
          type: integer
          description: Distinct GPU types among matching nodes
        distinctNodeGroupCount:
          type: integer
          description: Distinct node groups among matching nodes
        hasMore:
          type: boolean
        nodes:
          type: array
          items:
            $ref: '#/components/schemas/models.AlertTimelineNode'
        page:
          type: integer
        pageSize:
          type: integer
        total:
          type: integer
          description: Total number of nodes matching filters across all pages
        totalCritical:
          type: integer
          description: Cross-page critical alert total; drives ALERT header
        totalResolved:
          type: integer
          description: Cross-page resolved alert total; historical view only
        totalWarning:
          type: integer
          description: Cross-page warning alert total
      title: models.AlertTimelineNodesResponse
    models.KASRequestStatus:
      type: object
      properties:
        requestId:
          type: string
          description: Request ID for tracing
        statusCode:
          type: string
          description: Status code from KAS
        statusDescription:
          type: string
          description: Status description from KAS
      description: >-
        RequestStatus contains KAS-specific error details

        This is added to reflect the field in OpenAPI docs for UI reference and
        not populated by our code

        If KAS returns an error, the request will not be forwarded to the
        backend
      title: models.KASRequestStatus
    models.ErrorResponse:
      type: object
      properties:
        details:
          type: string
          description: Detailed error information
        error:
          type: string
          description: Error message or type
        requestStatus:
          $ref: '#/components/schemas/models.KASRequestStatus'
      description: >-
        Standard error response returned by all API endpoints. For KAS API
        errors, requestStatus fields are populated.
      title: models.ErrorResponse

```

## Examples



**Response**

```json
{
  "distinctComputeZoneCount": 2,
  "distinctGpuTypeCount": 3,
  "distinctNodeGroupCount": 4,
  "hasMore": false,
  "nodes": [
    {
      "computeZone": "Compute Zone Name",
      "criticalCount": 4,
      "gpuType": "H100",
      "hostStatus": "Active",
      "hostname": "gpu-node-01",
      "lastAlertTime": "2024-12-01T10:00:00Z",
      "nodeGroup": "Node Group Name 1",
      "nodeUuid": "node-uuid-456",
      "resolvedCount": 0,
      "warningCount": 2
    }
  ],
  "page": 0,
  "pageSize": 50,
  "total": 25,
  "totalCritical": 14,
  "totalResolved": 0,
  "totalWarning": 35
}
```

**SDK Code**

```python
import requests

url = "https://api.example.com/v1/alert_timeline/nodes"

response = requests.get(url)

print(response.json())
```

```javascript
const url = 'https://api.example.com/v1/alert_timeline/nodes';
const options = {method: 'GET'};

try {
  const response = await fetch(url, options);
  const data = await response.json();
  console.log(data);
} catch (error) {
  console.error(error);
}
```

```go
package main

import (
	"fmt"
	"net/http"
	"io"
)

func main() {

	url := "https://api.example.com/v1/alert_timeline/nodes"

	req, _ := http.NewRequest("GET", url, nil)

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(res)
	fmt.Println(string(body))

}
```

```ruby
require 'uri'
require 'net/http'

url = URI("https://api.example.com/v1/alert_timeline/nodes")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Get.new(url)

response = http.request(request)
puts response.read_body
```

```java
import com.mashape.unirest.http.HttpResponse;
import com.mashape.unirest.http.Unirest;

HttpResponse<String> response = Unirest.get("https://api.example.com/v1/alert_timeline/nodes")
  .asString();
```

```php
<?php
require_once('vendor/autoload.php');

$client = new \GuzzleHttp\Client();

$response = $client->request('GET', 'https://api.example.com/v1/alert_timeline/nodes');

echo $response->getBody();
```

```csharp
using RestSharp;

var client = new RestClient("https://api.example.com/v1/alert_timeline/nodes");
var request = new RestRequest(Method.GET);
IRestResponse response = client.Execute(request);
```

```swift
import Foundation

let request = NSMutableURLRequest(url: NSURL(string: "https://api.example.com/v1/alert_timeline/nodes")! as URL,
                                        cachePolicy: .useProtocolCachePolicy,
                                    timeoutInterval: 10.0)
request.httpMethod = "GET"

let session = URLSession.shared
let dataTask = session.dataTask(with: request as URLRequest, completionHandler: { (data, response, error) -> Void in
  if (error != nil) {
    print(error as Any)
  } else {
    let httpResponse = response as? HTTPURLResponse
    print(httpResponse)
  }
})

dataTask.resume()
```