Alert aggregation · on-call

Less noise.
The pages that matter.

Every monitor has its own Slack channel, email thread, and SMS sender. Klaxon pulls them all into one feed — deduplicates the floods, routes by severity, and escalates through your on-call chain so the real pages actually reach a human.

Start free $ see the feed →

● Free plan · 5 integrations · no credit card

A red rotating siren beacon cutting through the dark — Klaxon is the one alarm that fires when an alert truly matters.
all clear · 1 routed

When every tool pages you separately, the alert that matters drowns in the ones that don't.

Klaxon is one webhook endpoint for Uptime Kuma, Grafana, Prometheus, Datadog, and any script that can POST JSON. It collapses duplicate floods into a single page, routes by severity to the right channel, and escalates when no one acknowledges — an Opsgenie alternative that runs for the price of a couple coffees.

One unified feed

Six tools page you. One feed decides who gets woken up.

klaxon.naptownlabs.dev — incident feed live
uptime kumaapi.example.com is DOWN×14 deduped
critical slack + sms
grafanaCPU > 90% on web-01
warning slack
github actionsdeploy failed on staging
warning email
datadogno ack — escalated to on-call #2
critical call
uptime kumaapi.example.com recovered
resolved slack
47 raw alerts in → 4 pages out routing · dedup · escalation
What you get

Every alert in, the right page out.

Universal ingestion
One webhook endpoint for everything — Uptime Kuma, Grafana, Prometheus, Datadog, or any custom script that can POST JSON.
Smart routing
Send critical alerts to SMS and Slack, warnings to email, and info events to the log. You write the rules; Klaxon runs them.
Deduplication
The same alert firing fifty times sends one page instead of fifty. Grouped summaries replace the flooded inbox.
Escalation chains
A critical alert that goes unacknowledged for five minutes rolls to the next person on call. Real pages never stall.
On-call schedules
Rotate through the team automatically. Set hours, define overrides, and let Klaxon decide who gets woken up at 3am.
Alert history
A searchable log of every alert, acknowledgment, and resolution — reconstruct any incident timeline after the fact.

Custom pricing for your needs

We tailor plans to your team and volume. Reach out and we'll get you a quote.

Contact for pricing
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