AlertSite's is a best-in-class synthetic monitoring tool for APIs, mobile, and web applications that allows you to proactively monitor from an independent network of over 340 monitoring nodes spread across the world. API Monitoring: Make sure your internal, external and third party APIs are available, return the correct payload and are performing as expected. Web App Monitoring: Monitor your web sites and applications using real browsers just like a customer with almost any action. No scripting required. Mobile Monitoring: Monitor your mobile enabled web sites, native mobile apps with real devices, carrier based nodes and network speeds (3G, 4GLTE). Transaction Monitoring: Monitor the performance of your websites and web applications to ensure application performance for you and your customers.