shell> curl --data-binary @- --dump - http://localhost:8529/_api/database/current

HTTP/1.1 200 OK
content-type: application/json; charset=utf-8

{ 
  "result" : { 
    "name" : "_system", 
    "id" : "124535", 
    "path" : "/tmp/vocdir.41230/databases/database-124535", 
    "isSystem" : true 
  }, 
  "error" : false, 
  "code" : 200 
}