⚡ CronHook

Cron job monitoring, edge-native

Know when your jobs fail. Before your users do.

CronHook watches your background jobs, scheduled tasks, and cron scripts. When a ping is missed, you get instant alerts on Email, Slack, or Discord. No polling. No servers.

Start free See how it works
No credit card 5 free checks Email · Slack · Discord 99.9% uptime SLA
crontab 
# Add this to your crontab:
*/5 * * * * /app/backup.sh && curl -fsS \
  https://cronhook.site/ping/your-check-id

# CronHook alerts you if the ping
# doesn't arrive on time.

How it works

Add one line. Sleep better.

CronHook gives you instant failure detection without polling, without servers, and without maintenance.

1

Create a check

Sign up, name your job, set the expected period. Get a unique ping URL instantly.

2

Add a curl call

Append curl cronhook.site/ping/your-id to your cron job, Docker container, or GitHub Action.

3

Get alerted

If the ping doesn't arrive within the grace period, CronHook alerts you on Email, Slack, or Discord.

Product features

Everything a monitoring service needs.

Built on Cloudflare's edge network. Durable Objects track each check individually — zero polling, instant detection.

Instant alerts

Email, Slack, Discord, or custom webhooks. Know within seconds when a job goes down — and when it recovers.

Zero polling

Each check runs as its own Durable Object with an internal alarm. No cron sweeps. No wasted CPU. Instant detection.

Public status pages

Share uptime with your team or customers. Embeddable status cards. 30-day uptime percentages.

Built on Cloudflare

Global edge network. Workers, D1, KV, Durable Objects. 0ms cold starts. Your monitoring runs where your jobs are.

Incident history

Every failure is logged with duration, timestamps, and resolution details. Export data or integrate with your tools.

Free forever tier

5 checks, 5-minute intervals, email alerts. No credit card required. Upgrade when you need more.

Built for production

Zero servers. Zero polling. Zero maintenance.

CronHook runs entirely on Cloudflare Workers, Durable Objects, D1, and KV — so your monitoring is always fast, always available, and costs nothing to idle.

0mscold start
3simple plans
0servers to manage