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Dev tools · August 3, 2026

Seiri

Monitor cron jobs & webhooks. Catch silent failures fast.

Visit seiri.appAlternativestop 25% of August 2026

What it does

Cron job & heartbeat monitoring for scheduled jobs and Kubernetes CronJobs. Get alerted when a job stops checking in — not website uptime. Free Tier is free forever. Unlike uptime monitors that only check if your site is up, Seiri watches whether your actual jobs ran — cron, Kubernetes CronJobs, and webhooks alike. Set up in minutes, alerts via Slack, Discord, Telegram, Email, or SMS.

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