Back to directory
Observability & Monitoring

Checkly

AI-native synthetic monitoring and testing platform with Playwright-based checks deployed globally.

What makes Checkly different

Checkly positions itself as the “active reliability layer” purpose-built for developers and AI agents. Its core differentiation lies in Monitoring as Code—a JavaScript/TypeScript-first approach via the Checkly CLI where tests, monitors, and alerts are defined as code and version-controlled like application infrastructure. This contrasts with point-and-click UI-driven platforms like Pingdom or even Datadog’s UI-heavy experience.

The platform is deeply integrated with Playwright, the headless browser automation framework, enabling synthetic checks that simulate real user flows (login, checkout, transactions) at scale across 20+ global locations. Unlike traditional synthetic monitors that ping endpoints, Checkly can replicate complex browser interactions and capture full performance waterfall data, response times, and visual regression detection.

A second differentiator is native AI agent integration. The platform explicitly supports Claude, Cursor, Windsurf, and OpenAI, allowing AI assistants to author and deploy monitors via natural language prompts (e.g., “Monitor our checkout flow from 4 global regions”). This makes it a natural fit for AI-driven development workflows emerging in 2024–2025.

Pricing model

Checkly does not publicly disclose per-unit pricing on its website. The pricing page directs users to request a demo or sign up for a free tier. However, the model appears subscription-based, tiered by check frequency, number of checks, and global regions selected. The free tier allows getting started without a credit card, and the platform bills monthly.

The approach is more developer-friendly than hyperscaler pricing: costs scale with reliability requirements (how often you check, how many locations) rather than compute consumed, making budgeting predictable for teams that run the same monitors continuously.

When it fits

  • API and user flow testing in CI/CD pipelines – Playwright checks catch regressions before production; integrates with Terraform/Pulumi for IaC workflows.
  • Global availability monitoring – Teams needing uptime visibility from 20+ regions (Americas, Europe, Asia-Pacific) without managing probe infrastructure.
  • AI-driven development teams – Workflows where Claude or other LLMs compose and deploy monitors reduce toil.
  • Incident response and root cause analysis – Rocky AI and distributed tracing pinpoint failures across the stack; deep Slack, PagerDuty, and OpsGenie integrations.
  • Status page automation – Public status page updates automatically reflect real-time synthetic check results.

When it doesn’t

  • Low-cost, simple uptime pings – Services like Uptimerobot or Pingdom offer cheaper, simpler endpoint monitoring if you don’t need browser automation or global scale.
  • Deep infrastructure monitoring – Checkly is application/endpoint-focused; teams needing VM-level metrics, custom instrumentation, or OTEL collectors at scale may prefer Datadog or New Relic.

Inclusion criteria

Transparent pricingFree tier available; paid tiers outlined at checkly.com/pricing

Self-service signupSign up directly without sales contact

Public SLA/status – SOC 2 certified; public roadmap and product changelog at feedback.checklyhq.com