shell> curl -X PUT --data-binary @- --dump - http://localhost:8529/_api/document/products/1522263671
{"Hello": "you"}

HTTP/1.1 202 Accepted
content-type: application/json; charset=utf-8
etag: "1522591351"
location: /_db/_system/_api/document/products/1522263671

{ 
  "error" : false, 
  "_id" : "products/1522263671", 
  "_rev" : "1522591351", 
  "_key" : "1522263671" 
}