Know your business
is running.

One dashboard for everything that keeps your business alive. Websites, cron jobs, SSL certificates, domains, and the metrics that matter.

Get started free

From $5/month · No credit card required

All systems healthy 8 systems checked
✓
Website app.acme.com is responding
Up · 42ms
✓
API api.acme.com is responding
Up · 18ms
✓
Nightly backup Last heartbeat received 6 hours ago
On schedule
✓
Domain acme.com renewed until Dec 2027
631 days left
!
SSL certificate acme.com certificate expiring soon
12 days left
✓
Daily signups 847 signups today, above your 500 threshold
Healthy
✓
Payments processing Stripe webhook received 4 min ago
$12,847 today
✓
Error rate 0.02% of API requests returning 5xx
Below 1% threshold

One tool instead of five

All your systems flow into DownSiren. All your alerts flow out.

Before
✕ Pingdom for uptime
✕ Healthchecks.io for cron jobs
✕ Calendar events for domains
✕ New Relic for metrics
✕ Statuspage.io for status
Total: ~$90/mo
After
✓ Uptime monitoring
✓ Heartbeat checks
✓ Domain & SSL expiry
✓ Business metrics
✓ Public status pages
Total: $5/mo · Everything included
UP AND RUNNING IN 2 MINUTES
1

Add your systems

Websites, APIs, cron jobs, domains — tell us what to watch.

2

Connect alerts

Telegram, email, or Slack. Get notified the way you want.

3

Sleep well

DownSiren checks everything, every minute. You only hear from us when something needs attention.

Stop checking. Start knowing.

Replace Pingdom, Uptime Kuma, domain checkers, and SSL monitors with one dashboard.

Get started free

From $5/month · No credit card required · Cancel anytime