Give us a URL.
Choose sensible defaults or configure cadence, probe location and check behaviour yourself.
Website URL
https://checkout.example.comAdd service →Uptime monitoring for websites, APIs and servers
Know when it fails.
Understand what happened.
Monitor websites, APIs and services. Get alerted when something fails, then see the checks, incident timeline and alert history that explain what happened.
- Incident evidence
- Private monitoring on Pro
- No per-analysis fees
No card required. Free monitors are public. Targets are redacted, but monitor names, status and history can be viewed publicly.
View full-size incident replay ↗
From a failed check to the recovery. Your evidence stays with the service.
Start monitoring
Know what's actually failing.
View response status, latency, check history and incident transitions.
HTTP response503 Service unavailableCheck → incident → recovery
Connect the channel you use.
Email, SMTP and webhooks tell you when something needs attention. Test your route and confirm receipt.
Your alert routeEmail · Slack · TeamsSend test → Confirm receipt
Investigate an incident
From alert to evidence
See the checks that triggered an incident, what changed while it was open, who was notified and whether delivery was accepted.
Follow the failure and recovery in check history, then inspect the alert's delivery evidence. Provider acceptance and confirmed receipt stay distinct.
Explore how Uptimer works →
View full-size capture ↗
View full-size capture ↗More context. Better next steps.
Free includes health findings, private health predictions and optional early-warning notifications. Pro adds diagnostic evidence, latency trends, recurring failure windows, incident summaries and advisory forecasts.
Processed locally. No per-analysis fees.
Use your service's history to understand changes and decide what to investigate next.
Transparent by design: advisory results are labelled with their evidence and limitations. AI transparency →
One service, from check to communication.
Monitor
- HTTP / API checks
- Probe locations
- Configurable cadence
Investigate
- Incident timelines
- Response history
- Diagnostic findings
Notify
- Email / custom SMTP
- Webhooks and chat integrations
- Delivery evidence
Communicate
- Public status pages
- Maintenance updates
- Controlled sharing on paid plans
Connect the tools your team already uses.
- Slack
- Microsoft Teams
- Discord
- Jira incident sync
- PagerDuty
- Opsgenie
- Telegram
- Google Chat
- Matrix
- Mattermost
- ntfy
- Gotify
- Pushover
- Apprise
- Webhooks
Operational proof
Monitoring in use.
- -
- Check records retained
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- Check records in the last 24h
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- Public monitor pages
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- Active workspaces
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- Service monitors tracked
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- Tracked services last recorded Up
What these figures measure
Aggregated records from this installation. Counts reflect retained check records, including execution failures, rather than an all-time processing total. Public pages include listed and unlisted monitors in active workspaces, including paused monitors. Tracked services have at least one retained Up check; their latest recorded state is not a freshness or availability guarantee.
Recently checked monitors
Browse public directory →Loading recent checks…
| Service | Incident state | Last check · UTC | Public link |
|---|
Free and Pro
Start with public monitoring. Choose Pro for private services, shared access and longer history.
Free
For personal projects and public services.
£0 forever
- 50 public monitors
- 2-minute checks
- 7-day history
- Basic incident intelligence
Free monitors are public. Targets are redacted; names, status and history are publicly viewable.
Start FreePro
For private services and small teams.
£9 / month
- 100 monitors
- 20-second checks
- 90-day history
- Private services + team access
- Full incident intelligence
Technical details
Beyond websites: servers, games and scheduled jobs
HTTP, TCP, Ping, Keyword, DNS and Cron checks; parent groups; Steam and Minecraft servers. Certificate/domain expiry and RMM remain available for supported check types and effective access.
Read the architectureAutomation, reporting and reliability workflows
Shared incidents, maintenance, SLOs, API keys, CSV/JSON/PDF reports and configuration import/export. Use the depth you need without completing a compulsory tutorial.
API documentation · Detailed comparisonSecurity, governance and deployment
Verification, MFA, workspace access controls and audit. Business covers organisational identity and deployment requirements, including self-hosted Enterprise.
Business options · Target-owner access controlsProbe locations, capacity and operating limits
One eligible location executes each scheduled check. Built-in lanes can share a host; independent regions depend on configured probes. Requested cadence depends on available capacity.
Locations and IPs · Technical statistics · Roadmap