shell> curl -X DELETE --dump - http://localhost:8529/_api/document/products/10220
HTTP/1.1 200 OK
content-type: application/json; charset=utf-8
etag: "10220"
location: /_db/_system/_api/document/products/10220
{
"_id" : "products/10220",
"_key" : "10220",
"_rev" : "10220"
}