shell> curl -X DELETE --header 'If-Match: "_VOyxaPa---"' --dump - http://localhost:8529/_api/document/products/9882 HTTP/1.1 412 Precondition Failed content-type: application/json; charset=utf-8 etag: "_VOyxaPW---" x-content-type-options: nosniff { "error" : true, "code" : 412, "errorNum" : 1200, "errorMessage" : "precondition failed", "_id" : "products/9882", "_key" : "9882", "_rev" : "_VOyxaPW---" }