shell> curl -X PUT --dump - http://localhost:8529/_api/collection/products/unload

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

{ 
  "id" : "1397515714", 
  "name" : "products", 
  "isSystem" : false, 
  "status" : 4, 
  "type" : 2, 
  "error" : false, 
  "code" : 200 
}