Viewing the Installed License

You can also use the license API to retrieve the currently installed license:

curl -XGET -u elastic:changeme 'http://<host>:<port>/_xpack/license'
{
  "license" : {
    "status" : "active",
    "uid" : "0a98411f-73f4-4c67-954c-724874ed5488",
    "type" : "trial",
    "issue_date" : "2015-10-13T18:18:20.709Z",
    "issue_date_in_millis" : 1444760300709,
    "expiry_date" : "2015-11-12T18:18:20.709Z",
    "expiry_date_in_millis" : 1447352300709,
    "max_nodes" : 1000,
    "issued_to" : "elasticsearch",
    "issuer" : "elasticsearch"
  }
}
Note

You need monitor cluster privileges to retrieve the license. Users with manage cluster privileges can retrieve and install the license.