Expiration tracking
Alerts at the windows you set, before browsers warn visitors.
Monitor websites, APIs, SSL certificates, servers, and network ports from 47 global locations. Triple-check consensus eliminates false alarms before they page your on-call team.
25,000+
Monitors active
47
Global check stations
99.99%
Platform availability
0 False
Consensus guarantee
1,000+ organizations monitoring with UptimeMatrix
Status refreshes the moment probes complete.
See reachability the way customers do.
Uptime, SSL, and domain in one story.
Only confirmed incidents break focus.
The same view your NOC, SRE, and leadership can scan: crisp on laptops, readable on call.
Track uptime, response codes, and performance from the server location you choose. We try 3 times from that location before alerting, so you hear about real outages—not blips.
Response codes, SSL health, and content changes in real time.
Latency, DNS, and connection timing from multiple regions.
Email, Slack, SMS, and webhooks when issues are confirmed.
Track expiry dates, chain validity, and renewal failures before browsers warn your visitors.
Alerts at the windows you set, before browsers warn visitors.
Chain integrity, issuer details, and encryption strength.
Know immediately if auto-renewal fails silently.
Track every domain in one place with proactive alerts long before expiry becomes a crisis.
WHOIS and registrar data synced automatically.
Escalating reminders at 60, 30, 14, and 7 days out.
Track name servers and registration changes.
Full renewal and alert history in one timeline.
Team notifications before critical deadlines.
Detect closed ports, unexpected exposure, and service failures before they become outages.
TCP/UDP checks
Custom intervals and timeout thresholds.
Service detection
Identify what is running on each port.
Security alerts
Instant notice when ports change state.
Multi-protocol
HTTP, SSH, SMTP, databases, and custom ports.
Latency tracking
Spot degradation before users feel it.
Real-time checks across 200+ DNS blocklists so deliverability issues surface before campaigns fail.
Spamhaus, SURBL, Barracuda, and major DNS blocklists.
Protect sender reputation and inbox placement.
Monitor addresses and domains in parallel.
Know the moment you appear on a blocklist.
Avoid downtime from blacklisted mail infrastructure.
CPU, memory, disk, network, and process health, centralized for teams who run production workloads.
Utilization thresholds and trend alerts.
Capacity, I/O, and storage health.
Critical services and daemon availability.
Bandwidth, latency, and packet loss.
Monitor REST endpoints with schema checks, auth flows, and latency budgets so broken deploys surface in minutes, not hours.
JSON schema, status codes, headers, and body rules.
Performance trends and SLA-friendly metrics.
CORS, CSP, and auth token verification.
Chained API workflows with dependencies.
Error rates and response time history.
Notify on failures, slowdowns, or schema drift.
Probe APIs from 47 locations.
Slack, PagerDuty, Discord, and webhooks.
Route incidents to the channels your team already uses. Delivery in under a second, 24/7.
Multi-location verification confirms every alert is real before it pages your on-call team.
Checks from multiple regions confirm issues are real, not local blips.
Failed checks retry within seconds. Only persistent failures alert.
We verify probe connectivity before declaring your site down.
False positive rate
Tailored observability for teams where downtime hits revenue and trust.
Prevent cart abandonment and revenue loss during flash sales and peak traffic.
Meet strict financial SLAs with 1-minute checks and immutable audit trails.
Branded status pages and API assertion checks for customer-facing SLAs.
Matchmaking and low-latency endpoints across 47 regions.
Patient portals, scheduling APIs, and telehealth stay reachable.
Classrooms, LMS APIs, and exam platforms during peak load.
End-to-end incident management from triple-verified detection to postmortems in one console.
1-minute checks with confirmation before paging—website checks try 3 times from the chosen location
Multi-channel notifications to on-call engineers via Slack, PagerDuty, or SMS
War room coordination, status updates, and role-based incident ownership
Automated root-cause timeline, SLA impact calculation, and public status sync
Rotate on-call duties automatically with timezone-aware schedules.
Multi-tier paths so critical alerts never go unacknowledged.
Publish incident updates to a branded status page automatically.
Postmortems with millisecond timelines, root cause notes, and actions.
Uptime guarantees and downtime budgets in real time.
Track MTTD and MTTR trends across engineering squads.
Average time to acknowledge
Mean time to resolution (MTTR)
Automated audit trail coverage
Shared visibility, smart routing, and fewer tools for every role on the incident path.
Fine-grained permissions so teammates only see what they need.
Comments and notifications keep everyone aligned during incidents.
Automated rotation for 24/7 coverage without spreadsheet chaos.
Global teams get intelligent scheduling and local-hour alerts.
Route the right person at the right time. Less noise, faster response.
SSO, audit logs, and compliance reporting built in.
Live status for NOC, SRE, and leadership on one surface.
REST API and webhooks into the tools you already run.
Turn incidents into transparency. Branded pages reduce support load and show you are in control.
Component uptime
Public status for customer-facing sites
Endpoint availability subscribers can follow
Payment path health, always visible
The page itself stays online independently
Colors, logos, and custom domains.
Email or SMS when status changes.
Share openly or password-protect internally.
Pages sync automatically with incidents.
Operators who needed fewer false alarms and faster incident response.
“We cut downtime by 95%. Instant alerts caught a major incident before customers noticed.”

“Checks from the location we choose mean our alerts are accurate. No more false positives at 3 AM.”

“SSL and domain monitoring in one place. We nearly lost a critical domain last year. Never again.”

“We catch issues before customers do. The public status page improved how we communicate.”

“Team collaboration made incident response seamless. Our MTTR dropped 60% after switching.”

“Enterprise-grade features without the enterprise tax. Slack integration alone saved hours.”

One console covers the stack your customers actually hit. When a site, cert, or API fails, you hear it first — not from a support ticket.
Verify uptime and latency from every major internet exchange. Instant failover consensus.
USA (Ashburn, Silicon Valley, Chicago, Dallas), Canada (Montreal, Toronto)
United Kingdom, Germany, France, Netherlands, Ireland, Switzerland, Finland
Japan, Singapore, Australia, India, South Korea, Hong Kong
Brazil, Mexico, UAE, South Africa, Israel
Architectural facts, consensus mechanics, and protocol standards.
UptimeMatrix is an external website, API, and infrastructure uptime monitoring service. Unlike internal agent-only tools, it monitors endpoints from 47 independent check stations outside your cloud network, verifying real-world accessibility the way customers experience it.
When an endpoint fails from one location, UptimeMatrix instantly asks two stations on different continents to cross-verify. An alert fires only if multi-region consensus confirms the failure, so localized routing spikes do not page on-call.
HTTP/HTTPS response codes, SSL/TLS validity and expiry, WHOIS domain expiry, optional server metrics (CPU, RAM, disk), TCP/UDP port availability, and DNS blacklist health.
Multi-region telemetry and triple-check consensus without legacy APM bloat or per-seat tax.
| Capability / Metric | BEST VALUE UptimeMatrix Free / $7+ | Pingdom $15/mo | BetterStack $29/mo | Datadog $31/mo | UptimeRobot $7/mo |
|---|---|---|---|---|---|
| Free Forever Plan | 5 Monitors | 10 Monitors | 50 Monitors | ||
| Minimum Check Interval | 1 minute | 60 seconds | 30 seconds | 60 seconds | 5 minutes |
| Global Check Stations | 47 Nodes | 100+ Nodes | 20+ Nodes | 30+ Nodes | 15+ Nodes |
| Triple-Check Verification | |||||
| Zero False Positives SLA | |||||
| SSL & Domain Expiry Tracking | Add-on | Add-on | Paid Only | ||
| Blacklist & DNSBL Checks (200+) | |||||
| Branded Public Status Pages | 1 to 1,000 | Limited | 1 Included | 1 Included | |
| Multi-Channel Alerts (15+) | Limited | ||||
| Uptime SLA Guarantee | 99.99% | 99.9% | 99.9% | 99.95% | 99.9% |
Check intervals, triple-check verification, alerting channels, status pages, and pricing.
UptimeMatrix monitors websites, APIs, servers, SSL certificates, domain expiry, ports, blacklists, and more. We provide comprehensive infrastructure monitoring from 47 global check stations with instant alerts via email, SMS, Slack, PagerDuty, and webhooks.
Monitor websites, APIs, SSL certificates, domains, ports, and servers from 47 global check stations with triple-check verification and zero false alarms.
TRIPLE-CHECK CONSENSUS ENGINE • ZERO VENDOR LOCK-IN • CANCEL ANYTIME