QUrl serviceUrl = QUrl("http://localhost:3501/SGIB/index/input"); QByteArray postData; QUrl params; QUrlQuery query; query.addQueryItem("param1","string1"); query.addQueryItem("param2","string2"); params.setQuery(query); postData = params.toEncoded(QUrl::RemoveFragment); // Call the webservice QNetworkAccessManager *networkManager = new QNetworkAccessManager(this); connect(networkManager,&QNetworkAccessManager::finished,[=](QNetworkReply*){ qDebug() << "Data was sent!"; }); QNetworkRequest networkRequest(serviceUrl); networkRequest.setHeader(QNetworkRequest::ContentTypeHeader,"application/x-www-form-urlencoded"); networkManager->post(networkRequest,postData);