unix> curl -X PUT --data @- --dump - http://localhost:8529/_api/document/products6/22360666
{}

HTTP/1.1 202 Accepted
content-type: application/json; charset=utf-8
etag: "22950490"
location: /_api/document/products6/22360666

{ 
  "error" : false, 
  "_id" : "products6/22360666", 
  "_rev" : "22950490", 
  "_key" : "22360666" 
}