Blackbox prober exporter
Probetheus has something called the blackbox exporter that allows you to monitor endpoints from anywhere on the internet. https://github.com/prometheus/blackbox_exporter
NOTE: The number of mentions on this list indicates mentions on common posts plus user suggested alternatives. Hence, a higher number means a more popular project.
Simple Up/Down dashboard for multiple endpoints?
1 project | reddit.com/r/grafana | 22 Jun 2022
Network Monitoring Criteria...not tools
3 projects | reddit.com/r/networking | 31 Mar 2022
Creating a Grafana dashboard for a PoC
1 project | reddit.com/r/devops | 26 Mar 2022
Help with Transmission > Blackhole-Exporter > Prom > Granfana
1 project | reddit.com/r/selfhosted | 4 Mar 2022
How to Monitor Endpoints in Kubernetes using Blackbox Exporter
2 projects | dev.to | 16 Jan 2022