Loadster Synthetic Monitoring
7.8#2 in performance testing softwareFrom $29 a monthFree planWebAPIExtensionLinux
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Loadster suits teams that want scheduled checks and alerting for websites, web apps, or APIs. Self-hosted monitoring may suit sites that are not publicly accessible or need checks from a specific location.
Sysmos is presented for small teams, with its Free plan intended for solo developers and personal projects. It suits teams needing API checks alongside Linux server monitoring and alert routing.