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On the recordRead 9 Oct 202613 facts
Uptime Cairn
Plans and prices
Free
Free
Free, open source, self-hosted; no per-monitor pricing
Read 9 Oct 2026 · uptimecairn.dev
On the record
- Alerts
- Alert channels include email, webhooks, Slack, Discord, Telegram, Matrix, Gotify, ntfy, Pushover, Microsoft Teams, Mattermost, Google Chat, PagerDuty, Opsgenie, Twilio/SMS, and Apprise.uptimecairn.dev · read 9 Oct 2026
- API
- The product provides a REST API that can script the actions available in the interface.uptimecairn.dev · read 9 Oct 2026
- Checks
- It checks HTTP and HTTPS, TCP, ICMP, DNS, TLS and domain expiry, push heartbeats, Docker containers, and gRPC services.uptimecairn.dev · read 9 Oct 2026
- Deployment
- It is self-hosted and runs as one Docker container with one data file and no separate database server.uptimecairn.dev · read 9 Oct 2026
- Incidents
- Incidents can open from failing checks and include an update timeline and acknowledgement.uptimecairn.dev · read 9 Oct 2026
- Intended users
- The site describes it as a fit for people who self-host, want data on their own infrastructure, or need a write API and branded status pages.uptimecairn.dev · read 9 Oct 2026
- License
- Uptime Cairn is released under Apache 2.0, and the site says no feature is held back for a paid tier.uptimecairn.dev · read 9 Oct 2026
- Limitations
- The site says there is no hosted tier, and multi-region probing, SSO, and synthetic browser flows have not shipped.uptimecairn.dev · read 9 Oct 2026
- Purpose
- Uptime Cairn monitors websites and servers and tells you when they go down.uptimecairn.dev · read 9 Oct 2026
- Reports
- Scheduled branded reports can be generated as PDF, HTML, CSV, and JSON and delivered by email, Slack, webhook, or an S3 drop.uptimecairn.dev · read 9 Oct 2026
- Scale
- The product site describes 5,000 monitors on one install and 250 checks per second at a 20-second interval.uptimecairn.dev · read 9 Oct 2026
- Security
- The site says the Docker Compose reference includes a read-only root filesystem, no-new-privileges, and a healthcheck; it also says the default port binds to 127.0.0.1 and recommends a reverse proxy before internet exposure.uptimecairn.dev · read 9 Oct 2026
- Status pages
- Public status pages support custom domains and branding, uptime history from 7 to 365 days, and email or webhook subscribers with double opt-in.uptimecairn.dev · read 9 Oct 2026
