diff --git a/src/appcontext.cpp b/src/appcontext.cpp
index 786e045..b5f878f 100644
--- a/src/appcontext.cpp
+++ b/src/appcontext.cpp
@@ -100,8 +100,21 @@ AppContext::AppContext(QCommandLineParser *cmdargs) {
     connect(this, &AppContext::nodeSourceChanged, this->nodes, &Nodes::onNodeSourceChanged);
     connect(this, &AppContext::setCustomNodes, this->nodes, &Nodes::setCustomNodes);
 
-    // Tor & socks proxy
-    this->ws = new WSClient(this, wsUrl);
+    // init backend URLs
+    if(cmdargs->isSet("backend-host"))
+      this->backendHost = cmdargs->value("backend-host");
+    if(cmdargs->isSet("backend-host"))
+      this->backendPort = cmdargs->value("backend-port").toUInt();
+    if(cmdargs->isSet("backend-tls"))
+      this->backendTLS = true;
+
+    backendWSUrl = this->backendTLS ? "wss://" : "ws://";
+    backendWSUrl += QString("%1:%2").arg(this->backendHost).arg(this->backendPort);
+    backendHTTPUrl = this->backendTLS ? "https://" : "http://";
+    backendHTTPUrl += QString("%1:%2").arg(this->backendHost).arg(this->backendPort);
+
+    // init websocket client
+    this->ws = new WSClient(this);
     connect(this->ws, &WSClient::WSMessage, this, &AppContext::onWSMessage);
     connect(this->ws, &WSClient::connectionEstablished, this, &AppContext::wsConnected);
     connect(this->ws, &WSClient::closed, this, &AppContext::wsDisconnected);
@@ -177,7 +190,8 @@ void AppContext::initTor() {
     this->tor = new Tor(this, this);
     this->tor->start();
 
-    if (!isWhonix && wsUrl.contains(".onion")) {
+    if (!isWhonix && backendHost.contains(".onion")) {
+        qDebug() << "'backend-host' did not contain '.onion' - running without Tor proxy.";
         this->networkProxy = new QNetworkProxy(QNetworkProxy::Socks5Proxy, Tor::torHost, Tor::torPort);
         this->network->setProxy(*networkProxy);
         this->ws->webSocket.setProxy(*networkProxy);
@@ -421,7 +435,10 @@ void AppContext::onWSMessage(const QJsonObject &msg) {
         if(changed)
             emit blockHeightWSUpdated(this->heights);
     }
-
+    else if(cmd == "yellwow") {
+        this->yellowPagesData = msg.value("data").toArray();
+        emit yellowUpdated();
+    }
     else if(cmd == "rpc_nodes") {
         this->onWSNodes(msg.value("data").toArray());
     }
diff --git a/src/appcontext.h b/src/appcontext.h
index b07444a..9e9f99c 100644
--- a/src/appcontext.h
+++ b/src/appcontext.h
@@ -66,7 +66,13 @@ public:
     QString defaultWalletDir;
     QString defaultWalletDirRoot;
     QString tmpTxDescription;
-    QString wsUrl = "6wku2m4zrv6j666crlo7lzofv6ud6enzllyhou3ijeigpukymi37caad.onion";
+
+    // https://git.wownero.com/wowlet/wowlet-backend/
+    QString backendHost = "6wku2m4zrv6j666crlo7lzofv6ud6enzllyhou3ijeigpukymi37caad.onion";
+    unsigned int backendPort = 80;
+    bool backendTLS = false;
+    QString backendWSUrl;
+    QString backendHTTPUrl;
 
     QString walletPath;
     QString walletPassword = "";
@@ -106,6 +112,7 @@ public:
     static QMap<QString, QString> txDescriptionCache;
     static QMap<QString, QString> txCache;
     static TxFiatHistory *txFiatHistory;
+    QJsonArray yellowPagesData;
     QJsonObject versionPending;
 
     // libwalletqt
@@ -205,6 +212,7 @@ signals:
     void nodesUpdated(QList<QSharedPointer<WowletNode>> &nodes);
     void ccsUpdated(QList<QSharedPointer<CCSEntry>> &entries);
     void suchWowUpdated(const QJsonArray &such_data);
+    void yellowUpdated();
     void nodeSourceChanged(NodeSource nodeSource);
     void XMRigDownloads(const QJsonObject &data);
     void pinLookupReceived(QString address, QString pin);
diff --git a/src/assets/images/welcome/wow20.png b/src/assets/images/welcome/wow20.png
index de0f277..77b4847 100644
Binary files a/src/assets/images/welcome/wow20.png and b/src/assets/images/welcome/wow20.png differ
diff --git a/src/contactswidget.cpp b/src/contactswidget.cpp
index f3e048c..dc59f7e 100644
--- a/src/contactswidget.cpp
+++ b/src/contactswidget.cpp
@@ -32,17 +32,22 @@ ContactsWidget::ContactsWidget(QWidget *parent) :
         this->newContact();
     });
 
-    // row context menu
-    m_rowMenu = new QMenu(ui->contacts);
-    m_rowMenu->addAction(QIcon(":/assets/images/copy.png"), "Copy address", this, &ContactsWidget::copyAddress);
-    m_rowMenu->addAction(QIcon(":/assets/images/copy.png"), "Copy name", this, &ContactsWidget::copyName);
-    m_rowMenu->addAction("Pay to", this, &ContactsWidget::payTo);
-    m_rowMenu->addAction("Delete", this, &ContactsWidget::deleteContact);
-
     connect(ui->contacts, &QTreeView::customContextMenuRequested, [=](const QPoint & point){
         QModelIndex index = ui->contacts->indexAt(point);
         if (index.isValid()) {
+            auto username = index.model()->data(index.siblingAtColumn(AddressBookModel::Description), Qt::UserRole).toString();
+
+            m_rowMenu = new QMenu(ui->contacts);
+            if(username.contains("(YellWOWPages)"))
+                m_rowMenu->addAction(QIcon(":/assets/images/network.png"), "Visit user's YellWOWPage", this, &ContactsWidget::visitYellowPage);
+
+            m_rowMenu->addAction(QIcon(":/assets/images/copy.png"), "Copy address", this, &ContactsWidget::copyAddress);
+            m_rowMenu->addAction(QIcon(":/assets/images/copy.png"), "Copy name", this, &ContactsWidget::copyName);
+            m_rowMenu->addAction("Pay to", this, &ContactsWidget::payTo);
+            m_rowMenu->addAction("Delete", this, &ContactsWidget::deleteContact);
+
             m_rowMenu->exec(ui->contacts->viewport()->mapToGlobal(point));
+            m_rowMenu->deleteLater();
         }
         else {
             m_contextMenu->exec(ui->contacts->viewport()->mapToGlobal(point));
@@ -52,6 +57,68 @@ ContactsWidget::ContactsWidget(QWidget *parent) :
     connect(ui->search, &QLineEdit::textChanged, this, &ContactsWidget::setSearchFilter);
 }
 
+QMap<QString, QString> ContactsWidget::data() {
+  auto rtn = QMap<QString, QString>();
+  for (int i = 0; i < m_ctx->currentWallet->addressBook()->count(); i++) {
+    m_ctx->currentWallet->addressBook()->getRow(i, [&rtn](const AddressBookInfo &entry) {
+      rtn[entry.description()] = entry.address();
+    });
+  }
+  return rtn;
+}
+
+unsigned int ContactsWidget::rowIndex(const QString &name) {
+  // name -> row index lookup
+  int result = -1;
+  for (int i = 0; i < m_ctx->currentWallet->addressBook()->count(); i++) {
+    m_ctx->currentWallet->addressBook()->getRow(i, [i, name, &result](const AddressBookInfo &entry) {
+      if(entry.description() == name) result = i;
+      return;
+    });
+
+    if(result != -1)
+      return result;
+  }
+  return result;
+}
+
+void ContactsWidget::loadYellowPages() {
+  if (m_ctx->currentWallet == nullptr || m_ctx->yellowPagesData.empty())
+    return;
+
+  auto contacts = this->data();
+  for (auto item: m_ctx->yellowPagesData) {
+    auto obj = item.toObject();
+    const auto username = QString("%1 (YellWOWPages)").arg(obj.value("username").toString());
+    const auto address = obj.value("address").toString();
+
+    if(contacts.contains(username)) {
+      if(contacts[username] == address) continue;
+
+      // update the address
+      auto idx = this->rowIndex(username);
+      if(idx == -1) continue;
+      m_model->deleteRow((int)idx);
+    }
+
+    bool addressValid = WalletManager::addressValid(address, m_ctx->currentWallet->nettype());
+    if (!addressValid) {
+      continue;
+    }
+
+    m_ctx->currentWallet->addressBook()->addRow(address, "", username);
+  }
+}
+
+void ContactsWidget::visitYellowPage() {
+  auto index = ui->contacts->currentIndex();
+  auto username = index.model()->data(
+      index.siblingAtColumn(AddressBookModel::Description),
+      Qt::UserRole).toString();
+  username = username.replace(" (YellWOWPages)", "").trimmed();
+  Utils::externalLinkWarning(this, QString("https://yellow.wownero.com/user/%1").arg(username));
+}
+
 void ContactsWidget::copyAddress() {
     QModelIndex index = ui->contacts->currentIndex();
     ModelUtils::copyColumn(&index, AddressBookModel::Address);
diff --git a/src/contactswidget.h b/src/contactswidget.h
index 4035773..ac41a32 100644
--- a/src/contactswidget.h
+++ b/src/contactswidget.h
@@ -22,6 +22,7 @@ class ContactsWidget : public QWidget
 public:
     explicit ContactsWidget(QWidget *parent = nullptr);
     void setModel(AddressBookModel * model);
+    QMap<QString, QString> data();
     ~ContactsWidget() override;
 
 public slots:
@@ -30,9 +31,11 @@ public slots:
     void payTo();
     void newContact(QString address = "", QString name = "");
     void deleteContact();
+    void visitYellowPage();
     void setShowFullAddresses(bool show);
     void setSearchFilter(const QString &filter);
     void resetModel();
+    void loadYellowPages();
 
 signals:
     void fillAddress(QString &address);
@@ -50,6 +53,8 @@ private:
     QMenu *m_headerMenu;
     AddressBookModel * m_model;
     AddressBookProxyModel * m_proxyModel;
+
+    unsigned int rowIndex(const QString &name);
 };
 
 #endif // CONTACTSWIDGET_H
diff --git a/src/dialog/debuginfodialog.cpp b/src/dialog/debuginfodialog.cpp
index f1aeed0..409c242 100644
--- a/src/dialog/debuginfodialog.cpp
+++ b/src/dialog/debuginfodialog.cpp
@@ -50,6 +50,7 @@ void DebugInfoDialog::updateInfo() {
     ui->label_synchronized->setText(m_ctx->currentWallet->synchronized() ? "True" : "False");
 
     auto node = m_ctx->nodes->connection();
+    ui->label_websocketURL->setText(m_ctx->backendWSUrl);
     ui->label_remoteNode->setText(node.full);
     ui->label_walletStatus->setText(this->statusToString(m_ctx->currentWallet->connectionStatus()));
     ui->label_torStatus->setText(torStatus);
@@ -101,6 +102,7 @@ void DebugInfoDialog::copyToClipboad() {
     text += QString("Remote node: %1  \n").arg(ui->label_remoteNode->text());
     text += QString("Wallet status: %1  \n").arg(ui->label_walletStatus->text());
     text += QString("Tor status: %1  \n").arg(ui->label_torStatus->text());
+    text += QString("Websocket URL: %1  \n").arg(ui->label_websocketURL->text());
     text += QString("Websocket status: %1  \n").arg(ui->label_websocketStatus->text());
 
     text += QString("Network type: %1  \n").arg(ui->label_netType->text());
diff --git a/src/dialog/debuginfodialog.ui b/src/dialog/debuginfodialog.ui
index 73f7352..f036447 100644
--- a/src/dialog/debuginfodialog.ui
+++ b/src/dialog/debuginfodialog.ui
@@ -183,14 +183,14 @@
        </property>
       </widget>
      </item>
-     <item row="12" column="0">
+     <item row="13" column="0">
       <widget class="QLabel" name="label_19">
        <property name="text">
         <string>Websocket status:</string>
        </property>
       </widget>
      </item>
-     <item row="12" column="1">
+     <item row="13" column="1">
       <widget class="QLabel" name="label_websocketStatus">
        <property name="text">
         <string>TextLabel</string>
@@ -200,21 +200,21 @@
        </property>
       </widget>
      </item>
-     <item row="13" column="1">
+     <item row="14" column="1">
       <widget class="Line" name="line_3">
        <property name="orientation">
         <enum>Qt::Horizontal</enum>
        </property>
       </widget>
      </item>
-     <item row="14" column="0">
+     <item row="15" column="0">
       <widget class="QLabel" name="label_2">
        <property name="text">
         <string>Network type:</string>
        </property>
       </widget>
      </item>
-     <item row="14" column="1">
+     <item row="15" column="1">
       <widget class="QLabel" name="label_netType">
        <property name="text">
         <string>TextLabel</string>
@@ -224,14 +224,14 @@
        </property>
       </widget>
      </item>
-     <item row="15" column="0">
+     <item row="16" column="0">
       <widget class="QLabel" name="label_23">
        <property name="text">
         <string>Seed type:</string>
        </property>
       </widget>
      </item>
-     <item row="15" column="1">
+     <item row="16" column="1">
       <widget class="QLabel" name="label_seedType">
        <property name="text">
         <string>TextLabel</string>
@@ -241,14 +241,14 @@
        </property>
       </widget>
      </item>
-     <item row="16" column="0">
+     <item row="17" column="0">
       <widget class="QLabel" name="label_7">
        <property name="text">
         <string>View only:</string>
        </property>
       </widget>
      </item>
-     <item row="16" column="1">
+     <item row="17" column="1">
       <widget class="QLabel" name="label_viewOnly">
        <property name="text">
         <string>TextLabel</string>
@@ -258,14 +258,14 @@
        </property>
       </widget>
      </item>
-     <item row="20" column="0">
+     <item row="21" column="0">
       <widget class="QLabel" name="label_24">
        <property name="text">
         <string>Timestamp:</string>
        </property>
       </widget>
      </item>
-     <item row="20" column="1">
+     <item row="21" column="1">
       <widget class="QLabel" name="label_timestamp">
        <property name="text">
         <string>TextLabel</string>
@@ -275,14 +275,14 @@
        </property>
       </widget>
      </item>
-     <item row="19" column="0">
+     <item row="20" column="0">
       <widget class="QLabel" name="label_3">
        <property name="text">
         <string>Operating system:</string>
        </property>
       </widget>
      </item>
-     <item row="19" column="1">
+     <item row="20" column="1">
       <widget class="QLabel" name="label_OS">
        <property name="text">
         <string>TextLabel</string>
@@ -292,7 +292,7 @@
        </property>
       </widget>
      </item>
-     <item row="18" column="1">
+     <item row="19" column="1">
       <widget class="Line" name="line_4">
        <property name="orientation">
         <enum>Qt::Horizontal</enum>
@@ -316,20 +316,34 @@
        </property>
       </widget>
      </item>
-     <item row="17" column="1">
+     <item row="18" column="1">
       <widget class="QLabel" name="label_primaryOnly">
        <property name="text">
         <string>TextLabel</string>
        </property>
       </widget>
      </item>
-     <item row="17" column="0">
+     <item row="18" column="0">
       <widget class="QLabel" name="label_11">
        <property name="text">
         <string>Primary only:</string>
        </property>
       </widget>
      </item>
+     <item row="12" column="0">
+      <widget class="QLabel" name="label_8">
+       <property name="text">
+        <string>Websocket URL:</string>
+       </property>
+      </widget>
+     </item>
+     <item row="12" column="1">
+      <widget class="QLabel" name="label_websocketURL">
+       <property name="text">
+        <string>TextLabel</string>
+       </property>
+      </widget>
+     </item>
     </layout>
    </item>
    <item>
diff --git a/src/main.cpp b/src/main.cpp
index 4047355..02a5047 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -107,6 +107,15 @@ if (AttachConsole(ATTACH_PARENT_PROCESS)) {
     QCommandLineOption androidDebugOption(QStringList() << "android-debug", "Start the Android interface without actually running on Android - for debugging purposes. Requires -DANDROID_DEBUG=ON CMake definition.");
     parser.addOption(androidDebugOption);
 
+    QCommandLineOption backendHostOption(QStringList() << "backend-host", "specify your own `wowlet-backend` host", "backend-host");
+    parser.addOption(backendHostOption);
+
+    QCommandLineOption backendPortOption(QStringList() << "backend-port", "specify your own `wowlet-backend` port", "backend-port");
+    parser.addOption(backendPortOption);
+
+    QCommandLineOption backendTLS(QStringList() << "backend-tls", "`wowlet-backend` is running via TLS? 'wss://' and 'https://' will be used.", "backend-tls");
+    parser.addOption(backendTLS);
+
     auto parsed = parser.parse(argv_);
     if(!parsed) {
         qCritical() << parser.errorText();
diff --git a/src/mainwindow.cpp b/src/mainwindow.cpp
index 9c96079..431caef 100644
--- a/src/mainwindow.cpp
+++ b/src/mainwindow.cpp
@@ -303,6 +303,7 @@ MainWindow::MainWindow(AppContext *ctx, QWidget *parent) :
 
     // Contacts
     connect(ui->contactWidget, &ContactsWidget::fillAddress, ui->sendWidget, &SendWidget::fillAddress);
+    connect(m_ctx, &AppContext::yellowUpdated, ui->contactWidget, &ContactsWidget::loadYellowPages);
 
     // Open alias
     connect(ui->sendWidget, &SendWidget::resolveOpenAlias, m_ctx, &AppContext::onOpenAliasResolve);
@@ -632,6 +633,7 @@ void MainWindow::onWalletOpened(Wallet *wallet) {
 
     // contacts widget
     ui->contactWidget->setModel(m_ctx->currentWallet->addressBookModel());
+    ui->contactWidget->loadYellowPages();
 
     // coins page
     m_ctx->currentWallet->coins()->refresh(m_ctx->currentWallet->currentSubaddressAccount());
diff --git a/src/utils/wsclient.cpp b/src/utils/wsclient.cpp
index b5c0204..3ae1a4d 100644
--- a/src/utils/wsclient.cpp
+++ b/src/utils/wsclient.cpp
@@ -8,18 +8,18 @@
 #include "wsclient.h"
 #include "appcontext.h"
 
-WSClient::WSClient(AppContext *ctx, const QString &url, QObject *parent) :
+WSClient::WSClient(AppContext *ctx, QObject *parent) :
         QObject(parent),
         m_ctx(ctx) {
+    // this class connects to `https://git.wownero.com/wowlet/wowlet-backend/`
     connect(&this->webSocket, &QWebSocket::binaryMessageReceived, this, &WSClient::onbinaryMessageReceived);
     connect(&this->webSocket, &QWebSocket::connected, this, &WSClient::onConnected);
     connect(&this->webSocket, &QWebSocket::disconnected, this, &WSClient::closed);
     connect(&this->webSocket, QOverload<QAbstractSocket::SocketError>::of(&QWebSocket::error), this, &WSClient::onError);
 
-    m_tor = url.contains(".onion");
-    this->url = QString("ws://%1/ws").arg(url);
+    m_tor = m_ctx->backendHost.contains(".onion");
 
-    // Keep websocket connection alive
+    // keep-alive
     connect(&m_pingTimer, &QTimer::timeout, [this]{
         if (this->webSocket.state() == QAbstractSocket::ConnectedState)
             this->webSocket.ping();
@@ -40,7 +40,7 @@ void WSClient::start() {
     qDebug() << "WebSocket connect:" << url.url();
 #endif
     if((m_tor && this->m_ctx->tor->torConnected) || !m_tor)
-        this->webSocket.open(QUrl(this->url));
+        this->webSocket.open(QString("%1/ws").arg(m_ctx->backendWSUrl));
 
     if(!this->m_connectionTimer.isActive()) {
         connect(&this->m_connectionTimer, &QTimer::timeout, this, &WSClient::checkConnection);
diff --git a/src/utils/wsclient.h b/src/utils/wsclient.h
index 90b6f75..50efa0c 100644
--- a/src/utils/wsclient.h
+++ b/src/utils/wsclient.h
@@ -14,11 +14,10 @@ class WSClient : public QObject
     Q_OBJECT
 
 public:
-    explicit WSClient(AppContext *ctx, const QString &url, QObject *parent = nullptr);
+    explicit WSClient(AppContext *ctx, QObject *parent = nullptr);
     void start();
     void sendMsg(const QByteArray &data);
     QWebSocket webSocket;
-    QString url;
 
 signals:
     void closed();
diff --git a/src/widgets/suchwowwidget.cpp b/src/widgets/suchwowwidget.cpp
index a8a2322..27af675 100644
--- a/src/widgets/suchwowwidget.cpp
+++ b/src/widgets/suchwowwidget.cpp
@@ -19,7 +19,7 @@ SuchWowPost::SuchWowPost(AppContext *ctx, QObject *parent) :
         m_ctx(ctx) {
     m_networkImg = new UtilsNetworking(m_ctx->network, this);
     m_networkThumb = new UtilsNetworking(m_ctx->network, this);
-    m_weburl = QString("http://%1/suchwow").arg(this->m_ctx->wsUrl);
+    m_weburl = QString("%1/suchwow").arg(this->m_ctx->backendHTTPUrl);
 }
 
 void SuchWowPost::onThumbReceived(QByteArray data) {