Checkly

Checkly is an active reliability platform that brings together the best of end-to-end testing and active monitoring to serve modern, cross-functional DevOps teams. With a focus on JavaScript-based Open Source tech stacks, Checkly is easy to get started with and seamlessly integrates into your development workflow. Founded in 2018, Checkly is a remote-first company, with strong roots in Berlin. The platform is trusted by teams at Vercel, CrowdStrike, 1Password, Airbus, Mistral, ServiceNow, and Fastly. In 2024, they raised $20M in Series B funding from Balderton, CRV, and Accel.