Uptime monitoring at scale, defined as code
Create and manage uptime monitoring right in your codebase. With Monitoring as Code, uptime monitoring becomes part of your deployment workflow—version-controlled, automated, and built to scale.
Starting at $1.45/month per monitor • No credit card required
Everything you need for reliable uptime monitoring
Monitor websites, APIs, TCP ports, and background jobs with developer-first tooling
URL Monitors
Monitor website availability with custom headers, timeouts, and multi-region verification.
TCP Checks
Detect port-level connectivity issues for databases, APIs, and backend services.
Heartbeat Monitors
Ensure cron jobs and scheduled tasks are running with reverse-style monitoring.
Monitoring as Code
Define, version, and deploy monitors alongside your application code.
Why engineering teams choose Checkly
Built for developers who want reliable monitoring without the overhead
A primary, clear signal you can trust
High-frequency monitors with multi-region verification and retry logic. Only get alerted when something's truly broken.
Monitoring defined as code you can set up and scale
Write monitors in JavaScript/TypeScript, commit to Git, and deploy through CI/CD like the rest of your infrastructure.
One platform for all your reliability needs
From lightweight uptime checks to complex synthetic tests, all managed through the same CLI and alerting system.
Built on infrastructure you can depend on
Same globally distributed infrastructure that powers our advanced monitoring, trusted by engineering teams worldwide.
Define monitors in code, deploy with confidence
Create uptime monitors using JavaScript or TypeScript. Version control your monitoring configuration and deploy through your existing CI/CD pipeline.
// checkly.config.js import { defineConfig } from 'checkly' export default defineConfig({ projectName: 'My App Monitoring', checks: [ { name: 'Homepage Monitor', type: 'url', request: { url: 'https://myapp.com', method: 'GET' }, frequency: 60, // seconds locations: ['us-east-1', 'eu-west-1'], alertChannels: ['slack', 'email'] }, { name: 'Database Port Check', type: 'tcp', host: 'db.myapp.com', port: 5432, frequency: 300 } ] })
How Checkly compares
See why engineering teams are switching from legacy monitoring tools
Platform | Monitoring as Code | Modern UI/UX | Unified Platform | Reliable Infrastructure | Affordable at Scale |
---|---|---|---|---|---|
That's us! Checkly | |||||
StatusCake | |||||
UptimeRobot | |||||
Pingdom | |||||
Better Stack | |||||
Catchpoint |
Transparent pricing that scales with you
Start monitoring for less than your morning coffee
Starter
Perfect for small teams and side projects
- URL, TCP, Heartbeat monitors
- 1-minute frequency
- Up to 4 global locations
- Email & Slack alerts
Team
For growing engineering teams
- Everything in Starter
- 10-second frequency
- All global locations
- Advanced alerting & webhooks
- Browser & API checks included
Enterprise
For large organizations with custom needs
- Everything in Team
- Private locations
- SSO & advanced security
- Priority support
- Custom SLA
Ready to monitor like a developer?
Join thousands of engineering teams who trust Checkly for reliable uptime monitoring. Start your free trial today—no credit card required.
Free 14-day trial • Set up in minutes • Cancel anytime