Get system version
There are a few ways to get the version of the SAYMON server you’re using.
Server version is displayed in the Current user menu, in the System info section:

You can get the string with the server version on the https://<server-address>/node/api/version page or by sending a REST request Get SAYMON Version:
$curl <server-address>/node/api/version
This request’s response will be a string with the server version:
3.15.90