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Checkly

The active reliability layer for developers & agents·checklyhq.com

Checkly is a code-first monitoring platform that provides synthetic monitoring, uptime monitoring, and alerting for websites, APIs, and services. It lets engineering teams define, test, and deploy monitors as code (CLI, Terraform, Pulumi) using Playwright for browser-based checks, and combines detection, alerting/status pages, and AI-powered incident investigation (Rocky AI, OpenTelemetry tracing) in one platform. The platform is built to be operated by both developers and AI agents.

What it's for

Monitor website and API uptime/availabilitySimulate real user flows (checkout, login) with Playwright browser checksMonitor cron jobs and scheduled tasks with heartbeat checksValidate API payloads, schema, status codes, and performanceDetect SSL certificate expiryRun TCP/DNS/ICMP connectivity checksCommunicate incidents via branded status pages and dashboardsAlert teams via Slack, PagerDuty, SMS, email, webhooksDiagnose incidents with AI-powered root cause analysis and distributed tracingManage monitoring infrastructure as code via CLI, Terraform, or Pulumi

Features 20

Agentic Checks for AI-agent-driven monitoring
AI-powered Root Cause Analysis (Rocky AI)
Alerting via Email, Slack, SMS, Webhooks, Phone
API and Multistep checks with assertions
Browser/Playwright-based synthetic monitoring of user flows
Heartbeat monitoring for cron jobs and scheduled tasks
Incident management integrations (PagerDuty, OpsGenie, Incident.io, Rootly)
Internal dashboards
Maintenance windows to suppress alerts during planned downtime
MCP Server to connect Checkly to AI coding assistants
Monitoring as Code via CLI, Terraform, and Pulumi providers
Multi-location check scheduling (Round Robin and Parallel) across 22+ regions
OpenTelemetry-based distributed tracing (Traces)
Playwright Check Suites for full test suite execution in production
Private Locations for monitoring internal/firewalled services
SSL certificate expiry monitoring
Status pages (branded, custom domain, password protection)
TCP, DNS, and ICMP monitoring
URL/HTTP and HTTPS uptime monitoring
Visual regression testing

At a glance

free tierfree trialAPI

TypeWeb app

DeploymentCloud

PlatformsWeb, Windows, macOS, Linux

Fordevelopers, SRE teams, engineering teams, startups, growing teams and businesses, large organizations

CompanyCheckly Inc

Integrations

SlackPagerDutyOpsGenieDatadogGrafanaDiscordCoralogixTerraformHoneycombPulumiMS TeamsFireHydrantRootlyTelegramIncident.ioPrometheusClaude Code

Complianceself-reported

SOC 2 Type IIGDPR

Resources

Pricing

Pricing includes four modules: Detect, Communicate, Resolve, and Platform. Main tier pricing is Hobby/Starter/Team/Enterprise at $0/$24/$64/Custom. Communicate and Resolve are available as add-on modules ranging $0–$30 and $0–$39 per tier respectively. Overage charges apply beyond included volumes: $6.50 or $6.25 per 1k browser checks, $2.60 or $2.50 per 10k API checks. Enterprise pricing is available on request.

HobbyFree

Perfect for personal projects and learning. No credit card required to sign up.

10 Uptime Monitors, 2 min. frequency, 6 locations, 1,000 Browser/Playwright checks/month, 10,000 API checks/month, 1 user, 7-day raw data retention, 1 dashboard, 20 status page services

Starter$24/mo

Great for startups and growing projects. 'Try for Free' offer shown.

50 Uptime Monitors, 1 min. frequency, 6 locations, 3,000 Browser/Playwright checks/month, 25,000 API checks/month, 1 included Agentic Check, 3 users, 7-day raw data retention, 100 SMS alerts/month

Team$64/mo

Recommended plan. Ideal for growing teams and businesses.

75 Uptime Monitors, 30 sec. frequency, 22 locations, 12,000 Browser/Playwright checks/month, 100,000 API checks/month, 1 included Agentic Check, 10 users, 30-day raw data retention, 200 SMS + 200 phone alerts/month, Private Locations included

EnterpriseQuote

Custom solutions for large organizations; contact sales.

Custom uptime monitors, 1 sec. frequency, 22 locations, custom Browser/API/Agentic check volumes, custom users, 180-day raw / 25-month aggregated retention, SAML/SSO, 99.9% uptime SLA

Save up to 20% with annual billing