Vercel Cron monitoring matters because scheduled serverless work is easy to forget once it “usually works.” You add a cron job to rebuild cached data, sync billing state, send reports, clean up expired records, or call an internal API every hour. It runs fine during testing. The deployment looks healthy. The website stays online. Then one day the scheduled work silently stops. No page goes down. No uptime monitor turns red. Users may not notice immediately. But your database starts drifting, stale records pile up, notifications stop sending, or an external integration falls behind. By the time someone spots the problem, the failure has already become operational debt. This is the awkward part of scheduled serverless work: the absence of a run is itself the failure. If nobody is watching for that absence, Vercel Cron Jobs can fail quietly.…