What service can be selected to monitor the work of processes on a windows server with sms notification?

Question

Windows

Greetings!
There are 3 running processes running on the same path, but working on different ports, you need to set up monitoring on them to make sure that they are working, if they fall off, send SMS notifications.
Process PIDs can be taken from files.
Task:
Find a ready-made service for monitoring, you can pay.

Answer 1

zabbix + gsm gateway

Answer 2

Any monitoring service can usually scan ports in Google, you can block server port monitoring with SMS