diff --git a/qml/pages/NotePage.qml b/qml/pages/NotePage.qml
index 8826c3e..85f14f5 100644
--- a/qml/pages/NotePage.qml
+++ b/qml/pages/NotePage.qml
@@ -8,7 +8,7 @@ Dialog {
     property int id
     property var note
 
-    onIdChanged: note = notesModel.getNoteById(id)
+    onIdChanged: note = notesModel.note(id)
     onNoteChanged: {
         if (note["content"].split('\n')[0].indexOf(note["title"]) > 0) {
             dialogHeader.title = ""
@@ -38,7 +38,7 @@ Dialog {
     }
     onStatusChanged: {
         if (status === PageStatus.Activating) {
-            notesModel.getNote(id)
+            notesModel.note(id)
         }
     }
 
@@ -104,7 +104,7 @@ Dialog {
                 MenuItem {
                     text: enabled ? qsTr("Reload") : qsTr("Updating...")
                     enabled: !notesApi.busy
-                    onClicked: notesModel.getNote(note["id"])
+                    onClicked: notesModel.note(note["id"])
                 }
                 /*MenuItem {
                     text: qsTr("Edit")
diff --git a/src/notesapi.cpp b/src/notesapi.cpp
index dfefc68..afcde66 100644
--- a/src/notesapi.cpp
+++ b/src/notesapi.cpp
@@ -6,6 +6,8 @@
 #include <QJsonArray>
 #include <QDir>
 
+QVersionNumber NotesApi::m_capabilities_implementedApiVersion = QVersionNumber(1, 1);
+
 NotesApi::NotesApi(const QString statusEndpoint, const QString loginEndpoint, const QString ocsEndpoint, const QString notesEndpoint, QObject *parent)
     : m_statusEndpoint(statusEndpoint), m_loginEndpoint(loginEndpoint), m_ocsEndpoint(ocsEndpoint), m_notesEndpoint(notesEndpoint)
 {
@@ -16,6 +18,7 @@ NotesApi::NotesApi(const QString statusEndpoint, const QString loginEndpoint, co
     setNcStatusStatus(NextcloudStatus::NextcloudUnknown);
     setLoginStatus(LoginStatus::LoginUnknown);
     m_ncStatusStatus = NextcloudStatus::NextcloudUnknown;
+    m_capabilities_notesInstalled = false;
     m_status_installed = false;
     m_status_maintenance = false;
     m_status_needsDbUpgrade = false;
@@ -507,11 +510,19 @@ bool NotesApi::updateCapabilities(const QJsonObject &capabilities) {
                         QJsonObject capabilitiesObject = capabilitiesValue.toObject();
                         QJsonValue notesValue = capabilitiesObject.value("notes");
                         if (!notesValue.isUndefined() && notesValue.isObject()) {
+                            if (!m_capabilities_notesInstalled) {
+                                m_capabilities_notesInstalled = true;
+                                emit notesAppInstalledChanged(m_capabilities_notesInstalled);
+                            }
                             QJsonObject notesObject = notesValue.toObject();
                             QJsonValue api_versionsValue = notesObject.value("api_versions");
                             if (!api_versionsValue.isUndefined() && api_versionsValue.isArray()) {
                                 QJsonArray api_versions = api_versionsValue.toArray();
-                                // TODO
+                                m_capabilities_notesApiVersions.clear();
+                                for (int i = 0; i < api_versions.size(); ++i) {
+                                    m_capabilities_notesApiVersions << api_versions.at(i).toString();
+                                }
+                                emit notesAppApiVersionsChanged(m_capabilities_notesApiVersions);
                             }
                         }
                     }
diff --git a/src/notesapi.h b/src/notesapi.h
index 8c513e8..2586dec 100644
--- a/src/notesapi.h
+++ b/src/notesapi.h
@@ -35,7 +35,7 @@ class NotesApi : public QObject
     Q_PROPERTY(QString password READ password WRITE setPassword NOTIFY passwordChanged)
     Q_PROPERTY(QString path READ path WRITE setPath NOTIFY pathChanged)
 
-    // Status information
+    // Class status information
     Q_PROPERTY(bool urlValid READ urlValid NOTIFY urlValidChanged)
     Q_PROPERTY(bool networkAccessible READ networkAccessible NOTIFY networkAccessibleChanged)
     Q_PROPERTY(QDateTime lastSync READ lastSync NOTIFY lastSyncChanged)
@@ -43,10 +43,9 @@ class NotesApi : public QObject
 
     // Nextcloud capabilities
     Q_PROPERTY(CapabilitiesStatus capabilitiesStatus READ capabilitiesStatus NOTIFY capabilitiesStatusChanged)
-    //Q_PROPERTY(bool notesAppInstalled READ notesAppInstalled NOTIFY notesAppInstalledChanged)
-    //Q_PROPERTY(QStringList notesAppApiVersions READ notesAppApiVersions NOTIFY notesAppApiVersionsChanged)
-    //Q_PROPERTY(QString notesAppApiMaxVersion READ notesAppApiMaxVersion NOTIFY notesAppApiMaxVersionChanged)
-    //Q_PROPERTY(QString notesAppApiMinVersion READ notesAppApiMinVersion NOTIFY notesAppApiMinVersionChanged)
+    Q_PROPERTY(bool notesAppInstalled READ notesAppInstalled NOTIFY notesAppInstalledChanged)
+    Q_PROPERTY(QStringList notesAppApiVersions READ notesAppApiVersions NOTIFY notesAppApiVersionsChanged)
+    Q_PROPERTY(QString notesAppApiUsedVersion READ notesAppApiUsedVersion NOTIFY notesAppApiUsedVersionChanged)
 
     // Nextcloud status (status.php)
     Q_PROPERTY(NextcloudStatus ncStatusStatus READ ncStatusStatus NOTIFY ncStatusStatusChanged)
@@ -135,6 +134,9 @@ public:
     bool busy() const;
 
     CapabilitiesStatus capabilitiesStatus() const { return m_capabilitiesStatus; }
+    bool notesAppInstalled() const { return m_capabilities_notesInstalled; }
+    QStringList notesAppApiVersions() const { return m_capabilities_notesApiVersions; }
+    static QString notesAppApiUsedVersion() { return m_capabilities_implementedApiVersion.toString(); }
 
     NextcloudStatus ncStatusStatus() const { return m_ncStatusStatus; }
     bool statusInstalled() const { return m_status_installed; }
@@ -195,6 +197,9 @@ signals:
     void busyChanged(bool busy);
 
     void capabilitiesStatusChanged(CapabilitiesStatus status);
+    void notesAppInstalledChanged(bool installed);
+    void notesAppApiVersionsChanged(QStringList versions);
+    void notesAppApiUsedVersionChanged(QString version);
 
     void ncStatusStatusChanged(NextcloudStatus status);
     void statusInstalledChanged(bool installed);
@@ -234,6 +239,9 @@ private:
     bool updateCapabilities(const QJsonObject & capabilities);
     CapabilitiesStatus m_capabilitiesStatus;
     void setCababilitiesStatus(CapabilitiesStatus status, bool *changed = NULL);
+    bool m_capabilities_notesInstalled;
+    static QVersionNumber m_capabilities_implementedApiVersion;
+    QStringList m_capabilities_notesApiVersions;
 
     // Nextcloud status.php
     const QString m_statusEndpoint;
@@ -245,7 +253,6 @@ private:
     bool m_status_maintenance;
     bool m_status_needsDbUpgrade;
     QVersionNumber m_status_version;
-    //QString m_status_version;
     QString m_status_versionstring;
     QString m_status_edition;
     QString m_status_productname;