shell> curl -X PUT --header 'If-Match: "_YOn1PSi--B"' --header 'accept: application/json' --data-binary @- --dump - http://localhost:8529/_api/document/products/104063 <<EOF {"other":"content"} EOF HTTP/1.1 Precondition Failed content-type: application/json; charset=utf-8 etag: "_YOn1PSi--_" x-content-type-options: nosniff { "error" : true, "code" : 412, "errorNum" : 1200, "errorMessage" : "precondition failed", "_id" : "products/104063", "_key" : "104063", "_rev" : "_YOn1PSi--_" }