API Fortress
API Fortress is a continuous testing and monitoring platform for APIs, that help accelerating releases, at the same time decreasing risk.
Runscope
A set of API debugging and testing tools.
Exoprise
End-to-End network and application visibility/monitoring solution
Checkly
Help Desk Software and Customer Service app. Both SaaS and On-Premise versions.
HaloITSM
ITSM Software | ITIL-aligned Service Desk Software
APImetrics
Real-time API Testing, Ranks, Ratings, Performance tool
AlertSite
Monitor your websites, web apps, and APIs
Odown
Simple uptime tool to monitor your websites and Apis combined with public status pages