Simple, reliable monitoring for your scheduled tasks. Get instant email alerts when your cron jobs don't check in on time.
Set up a new monitor with your expected schedule and grace period.
Add a simple curl to your cron job or script to ping CronSignal when it runs.
Receive email alerts when your job doesn't check in on time.
Just add a curl at the end of your cron job or script
# Run your backup and ping CronSignal
0 2 * * * /usr/local/bin/backup.sh && curl https://api.cronsignal.io/ping/abc123
That's it. If your job doesn't run, you'll get an email alert.
Get notified instantly when checks fail and when they recover.
Built on Cloudflare Workers for global low-latency monitoring.
Each check has a unique ID - no API keys or complex auth needed.
Set grace periods to avoid false alarms from slight delays.
Just ping a URL. Works with any language or platform.
View complete history of check-ins and failures.
Get started today at no cost. Limited spots available.
Future pricing: $5/month for unlimited checks
Beta users keep free access for 6 months after launch
Sign up to get early access. No credit card required.