Monitoring / Uptime

Uptime.com

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Uptime and transaction monitoring with API and page speed checks, real user monitoring, status pages and SLA reporting.

Pricing and hosting

Pricing: Paid
Open source: No
Self-hosted: No
Launched: 2013
Status: Active
Website: uptime.com

Plans and prices change; check the tool's own site before you decide.

What it does

Uptime checks Synthetic checks Real user monitoring Status page Uptime and synthetic monitoring

Uptime and synthetic monitoring checklist

10 of 10 confirmed in Uptime.com's own documentation. The same checklist is used for every tool in Uptime.

HTTP checks Yes
Keyword checks Yes
SSL certificate expiry Yes
TCP port checks Yes
Ping checks Yes
DNS checks Yes
Multi-location checks Yes
Checks every minute or faster Yes
Browser or multi-step checks Yes
Status page Yes

Checked against: uptime.com, uptime.com (2), github.com

Alternatives to Uptime.com

Other uptime and synthetic monitoring tools. See all 40.

AlertKick On-call rosters, escalation policies and paging by mobile push, SMS, WhatsApp, Telegram, Slack and email, with uptime, heartbeat and SSL checks and hosted status pages. Priced per server rather than per user.
Assertible API testing and monitoring: define HTTP requests with assertions, run them on a schedule or after each deploy, and get alerted when a check fails.
Better Stack Observability suite that pairs uptime checks, logs and metrics with on-call schedules, escalation policies, phone and SMS alerts and hosted status pages.
Blackbox exporter Prometheus exporter that probes endpoints over HTTP, HTTPS, DNS, TCP, ICMP and gRPC and exposes the results as metrics you can alert on.
Catchpoint Enterprise internet performance monitoring: synthetic tests run from backbone, cloud and ISP nodes worldwide, alongside real user and BGP monitoring.
CheckCle Self-hosted open source monitor for HTTP, ping, TCP and DNS uptime, server metrics and SSL expiry, with incident tracking and public status pages.
Checkly Synthetic monitoring for developers: API checks and Playwright browser checks written as code, deployed from CI and run from many regions.
Checkmate Self-hosted open source monitor from BlueWave Labs for HTTP, ping, TCP port, DNS, WebSocket and gRPC checks, with an optional agent for server hardware metrics and status pages.
Cloudprober Active prober that started at Google: runs HTTP, DNS, ping, TCP, gRPC and custom probes and exports latency and success metrics to Prometheus and other backends.
Dotcom-Monitor Synthetic monitoring for websites, web applications, APIs and servers, including recorded multi-step browser transactions and load testing.
Downtime Monkey Website uptime monitoring with downtime alerts and a generous free plan, aimed at small sites and people watching many client websites.
FlareWarden Uptime, SSL, DNS and page-content monitoring that confirms an outage from several regions before alerting, with cron checks and status pages.