Checkly

Checkly is a developer-focused monitoring platform that helps engineering teams ensure the reliability and performance of modern web applications, APIs, and user interfaces. Built for today's software development workflows, the platform combines synthetic monitoring and end-to-end testing to help developers detect issues early, improve application quality, and deliver more reliable digital experiences.

Its Monitoring as Code (MaC) platform enables teams to define, manage, and automate monitoring using code, integrating seamlessly with modern DevOps practices, CI/CD pipelines, and developer toolchains. Through API monitoring, browser monitoring, end-to-end testing, and its command-line interface (CLI), Checkly allows development teams to validate application performance from development through production while accelerating issue detection and resolution.

Designed for modern engineering organizations, Checkly emphasizes speed, automation, and developer experience. By integrating testing and monitoring into the software delivery lifecycle, the company helps teams build, deploy, and maintain resilient applications with greater confidence, efficiency, and operational reliability.