healthchecks.io

https://healthchecks.io/
Cron Monitoring. Get Notified When Your Cron Jobs Fail Monitor Cron jobs and get notified when they fail. healthchecks.io generates unique HTTP addresses. You update each of your cron jobs, services, scheduled tasks to regularly make a HTTP request to them. When an address is not requested for set period of time, you get notified.
Member count: 1-10