curl --location --request GET '/rest/api/3/application-properties/advanced-settings'
[{"defaultValue":"","desc":"Jira home directory","id":"jira.home","key":"jira.home","name":"jira.home","type":"string","value":"/var/jira/jira-home"},{"defaultValue":"CLONE -","id":"jira.clone.prefix","key":"jira.clone.prefix","name":"The prefix added to the Summary field of cloned issues","type":"string","value":"CLONE -"}]