key
parameter, then an application property is returned as an object (not in an array). Otherwise, an array of all editable application properties is returned. See Set application property for descriptions of editable properties.curl --location --request GET 'http://jira.local:8080/jira/rest//rest/api/3/application-properties'
[{"id":"jira.home","key":"jira.home","value":"/var/jira/jira-home","name":"jira.home","desc":"Jira home directory","type":"string","defaultValue":""},{"id":"jira.clone.prefix","key":"jira.clone.prefix","value":"CLONE -","name":"The prefix added to the Summary field of cloned issues","type":"string","defaultValue":"CLONE -"}]