diff --git a/UIs/BeetRoundWidgets/dialogs/edititemdialog.cpp b/UIs/BeetRoundWidgets/dialogs/edititemdialog.cpp
index 488919b..1565f5f 100644
--- a/UIs/BeetRoundWidgets/dialogs/edititemdialog.cpp
+++ b/UIs/BeetRoundWidgets/dialogs/edititemdialog.cpp
@@ -26,6 +26,10 @@ void EditItemDialog::createContent() {
   innerLayout->addWidget(m_detailMapper);
 
   m_outerLayout->insertWidget(0, m_contentContainer);
+
+  /// online user stuff
+  connect(m_detailMapper, &ItemDetailMapper::createOnlineAccountTriggered, this,
+          &EditItemDialog::createOnlineAccountTriggered);
 }
 
 void EditItemDialog::accept() {
diff --git a/UIs/BeetRoundWidgets/dialogs/edititemdialog.h b/UIs/BeetRoundWidgets/dialogs/edititemdialog.h
index 67bf01e..ad28bfb 100644
--- a/UIs/BeetRoundWidgets/dialogs/edititemdialog.h
+++ b/UIs/BeetRoundWidgets/dialogs/edititemdialog.h
@@ -19,6 +19,8 @@ class EditItemDialog : public AbstractDialog {
   /// AbstractDialog interface
   void createContent() override;
 
+ signals:
+  void createOnlineAccountTriggered(const QString& mailAddress);
  public slots:
   void accept() override;
   void reject() override;
diff --git a/UIs/BeetRoundWidgets/mainwindow.cpp b/UIs/BeetRoundWidgets/mainwindow.cpp
index a042a03..ba3c9cb 100644
--- a/UIs/BeetRoundWidgets/mainwindow.cpp
+++ b/UIs/BeetRoundWidgets/mainwindow.cpp
@@ -16,7 +16,6 @@
 #include "genericcore.h"
 #include "model/generalsortfiltermodel.h"
 #include "model/metadata.h"
-#include "model/modelsummary.h"
 #include "model/tablemodel.h"
 #include "widgets/biddingroundcontrol.h"
 #include "widgets/comboboxdelegate.h"
@@ -75,6 +74,10 @@ MainWindow::MainWindow(QWidget* parent)
   onCurrentChanged(QModelIndex(), QModelIndex());
 
   setupEventTab();
+
+  // #ifndef QT_DEBUG
+  initServerConnection();
+  // #endif
 }
 
 MainWindow::~MainWindow() { delete ui; }
@@ -563,3 +566,8 @@ void MainWindow::setupEventTab() {
 
   ui->tabWidget->insertTab(0, containerWidget, "Event (&1)");
 }
+
+void MainWindow::initServerConnection() {
+  connect(m_editItemDialog.get(), &EditItemDialog::createOnlineAccountTriggered, m_core.get(),
+          &GenericCore::onCreateOnlineAccountTriggered);
+}
diff --git a/UIs/BeetRoundWidgets/mainwindow.h b/UIs/BeetRoundWidgets/mainwindow.h
index 2d081a7..f89c15f 100644
--- a/UIs/BeetRoundWidgets/mainwindow.h
+++ b/UIs/BeetRoundWidgets/mainwindow.h
@@ -120,5 +120,7 @@ class MainWindow : public QMainWindow {
   void createGuiDialogs();
 
   void setupEventTab();
+
+  void initServerConnection();
 };
 #endif  // MAINWINDOW_H
diff --git a/UIs/BeetRoundWidgets/views/itemdetailmapper.cpp b/UIs/BeetRoundWidgets/views/itemdetailmapper.cpp
index 11a7e95..6f7f3f1 100644
--- a/UIs/BeetRoundWidgets/views/itemdetailmapper.cpp
+++ b/UIs/BeetRoundWidgets/views/itemdetailmapper.cpp
@@ -156,6 +156,15 @@ ItemDetailMapper::ItemDetailMapper(QWidget* parent)
   outerLayout->addLayout(leftLayout);
   outerLayout->addLayout(rightLayout);
   setLayout(outerLayout);
+
+  /// online user account
+  connect(m_mailEdit, &QLineEdit::textChanged, this, &ItemDetailMapper::onMailEditChanged);
+  connect(m_onlineIdDisplay, &QLineEdit::textChanged, this, &ItemDetailMapper::onOnlineIDChanged);
+  connect(m_accessCodeDisplay, &QLineEdit::textChanged, this,
+          &ItemDetailMapper::onAccessCodeChanged);
+
+  connect(m_createOnlineAccountButton, &QAbstractButton::clicked, this,
+          &ItemDetailMapper::onCreateOnlineAccountTriggered);
 }
 
 void ItemDetailMapper::setModelMappings(QTableView* tableView) {
@@ -265,3 +274,40 @@ void ItemDetailMapper::updateQRCode(const QString text) {
   m_qrCodeDisplay->setPixmap(QPixmap::fromImage(image));
   m_qrCodeDisplay->setToolTip(text);
 }
+
+void ItemDetailMapper::onMailEditChanged(const QString& text) {
+  if (text.isEmpty()) {
+    m_createOnlineAccountButton->setEnabled(false);
+    m_sendInviteMailButton->setEnabled(false);
+  } else {
+    onOnlineIDChanged(m_onlineIdDisplay->text());
+    onAccessCodeChanged(m_accessCodeDisplay->text());
+  }
+}
+
+void ItemDetailMapper::onOnlineIDChanged(const QString& text) {
+  if (text.isEmpty()) {
+    m_createOnlineAccountButton->setEnabled(true);
+    m_sendInviteMailButton->setEnabled(false);
+  } else {
+    m_createOnlineAccountButton->setEnabled(false);
+    m_sendInviteMailButton->setEnabled(true);
+  }
+}
+
+void ItemDetailMapper::onAccessCodeChanged(const QString& text) {
+  if (text.isEmpty()) {
+    m_sendInviteMailButton->setEnabled(false);
+    m_accessUrlDisplay->setText("");
+    updateQRCode("");
+  } else {
+    m_sendInviteMailButton->setEnabled(true);
+    const QString accessUrl = "http://127.0.0.1:4000/api/users/" + text;
+    m_accessUrlDisplay->setText(accessUrl);
+    updateQRCode(accessUrl);
+  }
+}
+
+void ItemDetailMapper::onCreateOnlineAccountTriggered() {
+  emit createOnlineAccountTriggered(m_mailEdit->text());
+}
diff --git a/UIs/BeetRoundWidgets/views/itemdetailmapper.h b/UIs/BeetRoundWidgets/views/itemdetailmapper.h
index 5443690..9aa802e 100644
--- a/UIs/BeetRoundWidgets/views/itemdetailmapper.h
+++ b/UIs/BeetRoundWidgets/views/itemdetailmapper.h
@@ -30,6 +30,8 @@ class ItemDetailMapper : public QWidget {
  signals:
   void contentChanged(const QString text);
 
+  void createOnlineAccountTriggered(const QString& mailAddress);
+
  private slots:
   void rowsInserted(const QModelIndex& parent, int start, int end);
   void rowsRemoved(const QModelIndex& parent, int start, int end);
@@ -38,7 +40,12 @@ class ItemDetailMapper : public QWidget {
   void updateButtons(int row);
   void emitContentChanged(const QModelIndex& currentIndex);
   void onCurrentIndexChanged(const QModelIndex& current, const QModelIndex& previous);
+
   void updateQRCode(const QString text = "");
+  void onMailEditChanged(const QString& text);
+  void onOnlineIDChanged(const QString& text);
+  void onAccessCodeChanged(const QString& text);
+  void onCreateOnlineAccountTriggered();
 
  private:
   /// *** members ***
diff --git a/libs/BeetRoundCore/genericcore.cpp b/libs/BeetRoundCore/genericcore.cpp
index 015705a..e4ef5b1 100644
--- a/libs/BeetRoundCore/genericcore.cpp
+++ b/libs/BeetRoundCore/genericcore.cpp
@@ -160,6 +160,17 @@ void GenericCore::onBiddingsChanged(int round, QList<bidding> biddings) {
   // NEXT merge biddings into model
 }
 
+void GenericCore::onCreateOnlineAccountTriggered(const QString& mailAddress) {
+  qInfo() << "Creating online account for:" << mailAddress;
+  // QJsonDocument onlineCredentialsDoc = m_mainModel->getOnlineCredentialsAsJsonDoc(mailAddress);
+  // emit createOnlineUser(onlineCredentialsDoc.toJson());
+  emit sendPostRequest(RegisterUser, mailAddress);
+}
+
+// void GenericCore::onOnlineUserCreatedReceived(const QJsonDocument& jsonDoc) {}
+
+// void GenericCore::onOnlineUserExistedReceived(const QJsonDocument jsonDoc) {}
+
 void GenericCore::setupModels() {
   m_mainModel       = make_shared<TableModel>(m_modelUndoStack);
   m_sortFilterModel = make_shared<GeneralSortFilterModel>(m_mainModel);
diff --git a/libs/BeetRoundCore/genericcore.h b/libs/BeetRoundCore/genericcore.h
index 8751648..b87be80 100644
--- a/libs/BeetRoundCore/genericcore.h
+++ b/libs/BeetRoundCore/genericcore.h
@@ -49,12 +49,17 @@ class GenericCore : public QObject {
  public slots:
   void onBiddingsChanged(int round, QList<bidding> biddings);
 
+  void onCreateOnlineAccountTriggered(const QString& mailAddress);
+  // void onOnlineUserCreatedReceived(const QJsonDocument& jsonDoc);
+  // void onOnlineUserExistedReceived(const QJsonDocument jsonDoc);
+
  signals:
   void displayStatusMessage(QString message);
 
   /// *** server communication ***
   ///     request signals
   void sendGetRequest(GetRequestTypes type, QVariant data = QVariant());
+  void sendPostRequest(PostRequestTypes type, QVariant data = QVariant());
   ///     response signals
   void currentBiddingRoundChanged(int round, bool isRunning);
 
diff --git a/libs/BeetRoundCore/model/metadata.h b/libs/BeetRoundCore/model/metadata.h
index dbbe9c0..83ffdb9 100644
--- a/libs/BeetRoundCore/model/metadata.h
+++ b/libs/BeetRoundCore/model/metadata.h
@@ -91,6 +91,7 @@ enum GetRequestTypes {
   GetBiddingsOfSpecificRound,
   GetBiddingsOfHighestRound
 };
+enum PostRequestTypes { RegisterUser };
 
 /// functions
 static UserRoles GET_ROLE_FOR_COLUMN(const int column) {
diff --git a/libs/BeetRoundCore/network/apiroutes.h b/libs/BeetRoundCore/network/apiroutes.h
index 5422772..a89c9f5 100644
--- a/libs/BeetRoundCore/network/apiroutes.h
+++ b/libs/BeetRoundCore/network/apiroutes.h
@@ -9,6 +9,8 @@ static const QString apiPrefix = "/api/";
 
 static const QString ROUTE_ITEMS = apiPrefix + "items";
 
+static const QString ROUTE_REGISTER_USER = apiPrefix + "users";
+
 static const QString ROUTE_BIDDINGROUNDS        = apiPrefix + "bidding_rounds";
 static const QString ROUTE_CURRENT_BIDDINGROUND = ROUTE_BIDDINGROUNDS + "/get_current";
 static const QString ROUTE_START_BIDDINGROUND   = ROUTE_BIDDINGROUNDS + "/start_new";
diff --git a/libs/BeetRoundCore/network/servercommunicator.cpp b/libs/BeetRoundCore/network/servercommunicator.cpp
index 0c42fb6..f3db0f5 100644
--- a/libs/BeetRoundCore/network/servercommunicator.cpp
+++ b/libs/BeetRoundCore/network/servercommunicator.cpp
@@ -20,6 +20,8 @@ ServerCommunicator::ServerCommunicator(GenericCore* core)
 
   connect(m_core, &GenericCore::sendGetRequest, this,
           &ServerCommunicator::onSendGetRequestTriggered);
+  connect(m_core, &GenericCore::sendPostRequest, this,
+          &ServerCommunicator::onSendPostRequestTriggered);
   connect(this, &ServerCommunicator::biddingsChanged, m_core, &GenericCore::onBiddingsChanged);
 }
 
@@ -44,66 +46,6 @@ void ServerCommunicator::setUrl(const QUrl& url) {
   emit urlChanged();
 }
 
-void ServerCommunicator::fetchItems() {
-  /// Set up a GET request
-  m_restManager->get(m_serviceApi->createRequest(ROUTE_ITEMS), this, [this](QRestReply& reply) {
-    if (reply.isSuccess()) {
-      qInfo() << "Fetching items successful.";
-      const QJsonDocument doc = reply.readJson().value();
-      emit itemsFetched(doc.toJson());
-
-    } else {
-      if (reply.hasError()) {
-        const QString errorString = reply.errorString();
-        qCritical() << "ERROR:" << errorString;
-        emit itemsFetchFailure(errorString);
-      } else {
-        int statusCode = reply.httpStatus();
-        qCritical() << "ERROR:" << statusCode;
-        emit itemsFetchFailure(QString::number(statusCode));
-        emit itemsFetchFailure(QString("HTTP status code: %1").arg(statusCode));
-      }
-    }
-  });
-}
-
-void ServerCommunicator::postItems(const QByteArray& jsonData) {
-  QNetworkReply* reply = m_restManager->post(m_serviceApi->createRequest(ROUTE_ITEMS), jsonData);
-
-  QObject::connect(reply, &QNetworkReply::finished, [=]() {
-    if (reply->error() == QNetworkReply::NoError) {
-      QByteArray responseData = reply->readAll();
-      const QString message   = QString("POST successful! Response: %1").arg(responseData);
-      qInfo() << message;
-      emit postRequestSuccessful(responseData);
-    } else {
-      const QString message = QString("Error: %1").arg(reply->errorString());
-      qDebug() << message;
-      emit postRequestFailure(message);
-    }
-    reply->deleteLater();
-  });
-}
-
-void ServerCommunicator::deleteItem(const QString& id) {
-  const QString deleteRoute = QString("%1/%2").arg(ROUTE_ITEMS, id);
-  QNetworkReply* reply = m_restManager->deleteResource(m_serviceApi->createRequest(deleteRoute));
-
-  QObject::connect(reply, &QNetworkReply::finished, [=]() {
-    if (reply->error() == QNetworkReply::NoError) {
-      QByteArray responseData = reply->readAll();
-      const QString message   = QString("DELETE successful! Response: %1").arg(responseData);
-      qInfo() << message;
-      emit deleteRequestSuccessful(responseData);
-    } else {
-      const QString message = QString("Error: %1").arg(reply->errorString());
-      qDebug() << message;
-      emit deleteRequestFailure(message);
-    }
-    reply->deleteLater();
-  });
-}
-
 void ServerCommunicator::setServerConfiguration(const QString url,
                                                 const QString email,
                                                 const QString password) {
@@ -191,6 +133,75 @@ void ServerCommunicator::onGetReplyFailure(const GetRequestTypes type, const QSt
   m_core->displayStatusMessage(message);
 }
 
+void ServerCommunicator::onSendPostRequestTriggered(const PostRequestTypes type, QVariant data) {
+  QString path;
+  switch (type) {
+    case RegisterUser:
+      path = ROUTE_REGISTER_USER;
+      break;
+    default:
+      qWarning() << "No route found for PostRequestType:" << type;
+      break;
+  }
+
+  // TODO move into default case of switch statement?
+  if (path.isEmpty()) {
+    qDebug() << "Empty path -> Not sending a request.";
+    return;
+  }
+
+  const QNetworkRequest request = m_serviceApi->createRequest(path);
+
+  QJsonDocument doc = QJsonDocument();
+  QJsonObject rootObject;
+
+  QJsonObject itemObject;
+  itemObject.insert("email", data.toString());
+  rootObject.insert("user", itemObject);
+
+  doc.setObject(rootObject);
+
+  m_restManager->post(request, doc, this, [this, type](QRestReply& reply) {
+    if (reply.isSuccess()) {
+      int statusCode = reply.httpStatus();
+      qInfo() << "Request successful. Status code:" << statusCode;
+      const QJsonDocument doc = reply.readJson().value();
+      onPostReplySuccessful(type, doc);
+    } else {
+      if (reply.hasError()) {
+        const QString errorString = reply.errorString();
+        qWarning() << "Network error:" << errorString;
+        onPostReplyFailure(type, errorString);
+      } else {
+        int statusCode = reply.httpStatus();
+        qWarning() << "Request not successful:" << statusCode;
+        qCritical() << "Content:" << reply.readJson();
+        onPostReplyFailure(type, QString("HTTP status code: %1").arg(statusCode));
+      }
+    }
+  });
+}
+
+void ServerCommunicator::onPostReplySuccessful(const PostRequestTypes type,
+                                               const QJsonDocument doc) {
+  switch (type) {
+    case RegisterUser:
+      qInfo() << "Register user successful:" << type;
+      m_core->displayStatusMessage(doc.toJson());
+      break;
+    default:
+      qWarning() << "Can't match request type:" << type;
+      break;
+  }
+}
+
+void ServerCommunicator::onPostReplyFailure(const PostRequestTypes type,
+                                            const QString errorString) {
+  const QString message =
+      QString("Request of type %1 returned: %2").arg(QString::number(type), errorString);
+  m_core->displayStatusMessage(message);
+}
+
 void ServerCommunicator::currentBiddingRoundChangedReply(const QJsonDocument jsonDoc) {
   qInfo() << "Current bidding round received.";
   const QJsonObject rootObject = jsonDoc["data"].toObject();
diff --git a/libs/BeetRoundCore/network/servercommunicator.h b/libs/BeetRoundCore/network/servercommunicator.h
index 0f6b3df..f69275d 100644
--- a/libs/BeetRoundCore/network/servercommunicator.h
+++ b/libs/BeetRoundCore/network/servercommunicator.h
@@ -29,9 +29,9 @@ class ServerCommunicator : public QObject {
   void onGetReplySuccessful(const GetRequestTypes type, const QJsonDocument doc);
   void onGetReplyFailure(const GetRequestTypes type, const QString errorString);
 
-  void fetchItems();
-  void postItems(const QByteArray& jsonData);
-  void deleteItem(const QString& id);
+  void onSendPostRequestTriggered(const PostRequestTypes type, QVariant data);
+  void onPostReplySuccessful(const PostRequestTypes type, const QJsonDocument doc);
+  void onPostReplyFailure(const PostRequestTypes type, const QString errorString);
 
  signals:
   void urlChanged();