The Modern Alternative to UptimeRobot
DownWarning was built for teams who have outgrown basic ping monitoring. If you're evaluating alternatives to UptimeRobot, here is what sets DownWarning apart — Local Agents for private infrastructure, SSL certificate monitoring on every plan, and transparent pricing without per-contact upsells.
Local Agents for Private Infrastructure
Monitor internal APIs, databases, and services that aren't reachable from the public internet. Install a single binary inside your network and results stream securely to the dashboard.
Free SSL Certificate Monitoring
Track expiration dates and signature changes on every plan, including the free Starter tier. Get alerted weeks before a certificate expires.
Transparent, Predictable Pricing
Clear monthly tiers with no per-contact add-ons or hidden fees. Compare every plan side by side and upgrade only when you need more.
Multi-Channel Alerts Out of the Box
Slack, Telegram, Microsoft Teams, Email, and Webhooks are available on every plan — route incidents to the right team without extra integrations.
What you get with DownWarning
- Uptime checks: HTTP, HTTPS, Ping, and Port — with configurable intervals
- SSL monitoring: Included on every plan, including the free Starter tier
- Alert channels: Slack, Telegram, Teams, Email, and signed Webhooks
- Private infrastructure: Local Agents on Linux, macOS, and Windows (Pro and Scale plans)
Why teams switch to DownWarning
Basic ping monitoring is only half the story. Modern infrastructure spans internal services, queues, caches, and private APIs that the public internet can't reach — and every SSL certificate is a silent outage waiting to happen. DownWarning closes both gaps by default.
Start free on the Starter plan — no credit card required. Upgrade to Pro or Scale when you need Local Agents, longer data retention, or more monitors.
Switching monitoring tools is not something teams do lightly, so DownWarning is built to make the move low-risk: import your existing monitor list, keep the same check intervals, and cancel anytime without losing your uptime history.
Alternative to UptimeRobot FAQ
Is DownWarning actually free, or is that a limited trial?
The Starter plan is free with no time limit and no credit card required. It includes up to 25 monitors, SSL monitoring, and email alerts — not a trial that expires.
What can DownWarning monitor that UptimeRobot can't?
Local Agents let DownWarning check internal services, private APIs, and Kubernetes clusters that never touch the public internet — infrastructure a purely external monitor like UptimeRobot has no way to reach.
How long does migrating my monitors take?
Most teams recreate their monitor list in under an hour. Since checks run independently per monitor, you can run DownWarning alongside your existing tool during the transition and cut over once you're confident.
Does DownWarning charge extra per alert contact like some competitors?
No. Alert contacts across Slack, Telegram, Teams, Email, and Webhooks are included in every plan's price — there's no per-contact add-on to budget around as your team grows or your on-call rotation expands.