InboundMonitoring & Observability

Nagios + Alert24

Receive Nagios alerts in Alert24, auto-create incidents, and notify the on-call engineer in seconds.

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Receive Nagios host and service check alerts.

Auto-detected payloads

Alert24 recognizes Nagios webhooks out of the box and maps fields to incidents automatically.

On-call routing & escalations

Page the right engineer over SMS, voice, push, email, or chat with policy-driven escalations.

Auto-updating status pages

Promote incidents to a public or private status page with one click and keep customers informed.

Change correlation & AI RCA

Recent deploys, infra updates, and feature flag flips surface alongside the incident for faster root cause.

Quick Setup

Copy Webhook URL

Go to your Alert24 dashboard and copy the webhook URL for Nagios.

Configure Nagios

Add the webhook URL in your Nagios settings.

Auto-Detected

Alert24 auto-detects Nagios payloads and maps them to incidents.

Step-by-Step Setup Instructions

Nagios Webhook Setup

1.Install a webhook notification handler (e.g., nagios-webhook)

2.Configure a notification command in commands.cfg:

define command {
    command_name notify_alert24
    command_line /usr/local/bin/curl -X POST -H "Content-Type: application/json" -d '{"state":"$SERVICESTATE$","output":"$SERVICEOUTPUT$","host":"$HOSTNAME$","service":"$SERVICEDESC$"}' <WEBHOOK_URL>
}

3.Assign this command to your contact notifications

Example Webhook Payload

This is a sample payload that Nagios sends to Alert24 when an alert fires.

{
  "state": "CRITICAL",
  "host": "web-01",
  "service": "HTTP",
  "output": "HTTP CRITICAL - Socket timeout after 10 seconds",
  "type": "SERVICE",
  "timestamp": "2024-01-15 10:30:00"
}