API and synthetic monitoring for developers
Visit WebsiteReviews onG2Capterra
34 reviews trackedThe Bottom Line
Entry price
Free plan available, paid tiers above
Biggest pro
Good synthetic monitoring
Biggest con
Per-check pricing
TL;DR - Checkly
- Checkly is a synthetic monitoring platform for testing APIs and web applications from global locations
- It runs automated checks, validates uptime, and alerts teams before users experience issues
- Free tier with 50K check runs/month, paid plans from $30/month
Pricing: Free plan available
Best for: Growing teams
4.5/5 across review platforms
What is Checkly?
Checkly monitors APIs and websites from a developer perspective. Write checks in JavaScript, run them from global locations, and get alerted when things break-synthetic monitoring that fits developer workflows.
Tests run on Playwright for browser checks. CLI and CI integration support testing as code. Dashboards show performance over time.
Development teams wanting monitoring they can version control and run in CI choose Checkly for synthetic monitoring built for how developers work.
Pros & Cons
Pros
- Good synthetic monitoring
- Playwright based
- API monitoring
- Good DX
- Fair pricing
Cons
- Per-check pricing
- Learning curve
- Limited regions free
- Some features complex
- Smaller than Datadog
Ratings Across the Web
4.5(34 reviews)
Ratings aggregated from independent review platforms. Learn more
Key Features
API monitoringSynthetic monitoringPlaywrightMulti-locationCI/CDModern stack
Pricing Plans
14-day Free TrialPricing checked Jul 12, 2026
Free
Free
Hobby
- 10K check runs
- 5 checks
- 1 min frequency
Most Popular
Team
$40/month
Starting
- 50K runs
- 50 checks
- 30s frequency
Reviews
$99Free with your review
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4.5/5
Across 34 verified user reviews on G2, Capterra
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Checkly FAQ
How does Checkly support testing APIs and websites?
Checkly allows users to write checks in JavaScript to monitor APIs and websites. These checks can be run from various global locations, and users are alerted when issues are detected.
Which teams benefit most from using Checkly?
Development teams that need monitoring capabilities which can be version controlled and integrated into their CI pipelines will find Checkly particularly useful. It is designed for synthetic monitoring that aligns with developer workflows.
How is Checkly's pricing structured?
Checkly offers a free tier for basic usage, and provides paid plans for users requiring more extensive usage and additional features. The pricing model involves per-check costs.
What kind of monitoring does Checkly provide?
Checkly specializes in synthetic monitoring, enabling developers to proactively test their APIs and websites. It supports API monitoring and browser checks, which are run using Playwright.
How does Checkly compare to Uptime.com for synthetic monitoring?
Checkly focuses on synthetic monitoring with checks written in JavaScript and integrates with developer workflows, including CLI and CI. Uptime.com also offers monitoring but Checkly emphasizes a developer-centric approach with Playwright-based browser checks.
What are the trade-offs when choosing Checkly?
Checkly has a per-check pricing model and can have a learning curve for new users. Some features may be complex, and the free tier has limited regions available for checks.
Source: checkly.com