Checkly

Name: Checkly
Brand: Checkly

Active monitoring for APIs and browser checks built on Playwright

softwareMonitoring & Logging monitoring apisynthetic

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Our Verdict

Best for

Engineering teams needing realistic browser‑based synthetic monitoring

Skip if

Teams requiring on‑premise deployment or free advanced reporting

What is Checkly?

Checkly is an active monitoring platform that lets engineering teams run synthetic API and full‑stack browser checks. It uses Playwright under the hood to simulate real user interactions and verify that endpoints and UI flows stay healthy. The service provides scheduled runs, alerting, and dashboards so teams can catch regressions before customers notice them. It integrates with common DevOps tools and supports CI/CD pipelines for continuous reliability.

SpecificationsAI-estimated

deploymentCloud/SaaS

open source✅ Yes

api available✅ Yes

support optionsEmail, Live Chat, Community Slack

key integrationsSlack, PagerDuty, GitHub, GitLab, Azure DevOps

Key Features of Checkly

Run headless Playwright scripts as synthetic browser checks to validate UI flows.

Create HTTP API checks with custom headers, authentication, and assertions on response data.

Schedule checks at granular intervals from 1 minute to daily for continuous coverage.

Receive real‑time alerts via Slack, PagerDuty, email, or webhook when a check fails.

View detailed logs, screenshots, and video recordings of each browser run for debugging.

Integrate with CI/CD pipelines using the Checkly CLI and GitHub Actions to enforce reliability gates.

Organize checks into groups and environments to mirror staging, production, and feature branches.

Access a public status page for stakeholders to monitor service health without logging in.

Use Cases for Checkly

API health monitoring

Continuously verify that REST and GraphQL endpoints return expected responses.

Synthetic UI testing

Simulate user journeys in a headless browser to catch front‑end regressions.

CI/CD reliability gates

Fail builds automatically when critical checks do not pass.

Stakeholder status pages

Expose a public page showing real‑time uptime and incident history.

Pros & Cons of Checkly

Pros

Playwright provides realistic browser automation
Easy integration with Slack and other incident tools
Free tier includes both API and browser checks
Clear dashboards with screenshots and videos

Cons

Limited on‑premise deployment options
Advanced reporting requires paid plan
Learning curve for writing Playwright scripts

Frequently Asked Questions

Can I run Checkly checks locally?

Yes, the Checkly CLI lets you execute checks on your machine for development and debugging.

What alert channels are supported?

Checkly integrates with Slack, Microsoft Teams, PagerDuty, email, webhook, and Opsgenie.

Is there a free tier?

Yes, the free tier includes a limited number of API and browser checks per month.

Can I version‑control my checks?

Checks are defined as code (JavaScript/TypeScript) and can be stored in Git repositories.

Pricing Overview

View full pricing →

Freemium

Detailed plans are not listed. Visit the official website for pricing information.

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