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