Pingdom - With website monitoring from Pingdom you will be the first to know when your website is down. No installation required. 30-day free trial.
Veriff - Smart and scalable identity verification.
StatusCake - Website Uptime Monitoring & Alerts – Free Unlimited Downtime Monitoring
Yoti - A simple, secure way to store and prove your identity
Better Uptime - We call you when your website goes down
IDology - IDology offers real-time and on-demand identity verification and fraud prevention solutions.