shell> curl -X DELETE --header 'If-Match: "_WE2VGpq--A"' --dump - http://localhost:8529/_api/document/products/10859 HTTP/1.1 412 Precondition Failed content-type: application/json; charset=utf-8 etag: "_WE2VGpq---" x-content-type-options: nosniff { "error" : true, "code" : 412, "errorNum" : 1200, "errorMessage" : "precondition failed", "_id" : "products/10859", "_key" : "10859", "_rev" : "_WE2VGpq---" }