InboundMonitoring & Observability

Checkmk + Alert24

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

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Receive Checkmk host and service alerts via webhook notifications.

Auto-detected payloads

Alert24 recognizes Checkmk 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 Checkmk.

Configure Checkmk

Add the webhook URL in your Checkmk settings.

Auto-Detected

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

Step-by-Step Setup Instructions

Checkmk Webhook Setup

1.In Checkmk, go to Setup → Events → Notifications
2.Add a new notification rule
3.Set Notification Method to Webhooks or use a custom script
4.Configure the webhook URL to the URL shown above
5.Set the notification conditions (hosts, services, states)
6.Save and activate changes

Example Webhook Payload

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

{
  "host": "web-server-01",
  "service": "CPU load",
  "state": "CRIT",
  "output": "CPU load is 95% - above threshold of 90%",
  "timestamp": "2024-01-15T10:30:00Z"
}

How Alert24 Maps Checkmk Data

Status Field

state

Message Field

output

Auto-Create Incidents

Yes

Auto-Resolve Incidents

Yes

Status Mapping

Alert24 StatusCheckmk Values
operational
OKUP
degraded
WARN
down
CRITDOWN

Connect Checkmk to Alert24 in minutes

Free plan includes 5 monitors, 1 status page, and incident management. No credit card required.

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