shell> curl -X DELETE --header 'If-Match: "_XBu2AdG--B"' --dump - http://localhost:8529/_api/document/products/10562 HTTP/1.1 412 Precondition Failed x-content-type-options: nosniff content-type: application/json; charset=utf-8 etag: "_XBu2AdG--_" { "error" : true, "code" : 412, "errorNum" : 1200, "errorMessage" : "precondition failed", "_id" : "products/10562", "_key" : "10562", "_rev" : "_XBu2AdG--_" }