diff --git a/client.cpp b/client.cpp
index 02e8433..7e276e3 100644
--- a/client.cpp
+++ b/client.cpp
@@ -4,6 +4,8 @@
 #include <QNetworkRequest>
 #include <QUrl>
 #include <QJsonDocument>
+#include <QFile>
+#include <QHttpPart>
 
 Client::Client(QString url, QString username, QString password) {
     this->url = url;
@@ -11,12 +13,37 @@ Client::Client(QString url, QString username, QString password) {
     this->password = password;
 }
 
+void Client::exists(QString gameID, std::function<void (bool)> callback, std::function<void (QString)> errorCallback)
+{
+    QNetworkAccessManager manager;
+    QUrl url(this->url);
+    url = url.resolved("/api/v1/games/"+gameID+"/metadata");
+
+    QNetworkRequest request(url);
+    request.setRawHeader("Authorization", toBase64Header(this->username, this->password).toUtf8());
+
+    QNetworkReply *reply = manager.get(request);
+    QObject::connect(reply, &QNetworkReply::finished, [&]() {
+        if (reply->error() == QNetworkReply::ContentNotFoundError) {
+            callback(false);
+        } else if (reply->error() == QNetworkReply::NoError) {
+            callback(true);
+        } else {
+            errorCallback(reply->errorString());
+        }
+        reply->deleteLater();
+    });
+}
+
 void Client::version(std::function<void (Information)> callback, std::function<void (QString)> errorCallback)
 {
     QNetworkAccessManager manager;
     QUrl url(this->url);
     url = url.resolved(QUrl("/api/v1/version/"));
+
     QNetworkRequest request(url);
+    request.setRawHeader("Authorization", toBase64Header(this->username, this->password).toUtf8());
+
     QNetworkReply *reply = manager.get(request);
     QObject::connect(reply, &QNetworkReply::finished, [&]() {
         if (reply->error() == QNetworkReply::NoError) {
@@ -36,7 +63,10 @@ void Client::hash(QString gameID, std::function<void(QString)> callback, std::fu
     QNetworkAccessManager manager;
     QUrl url(this->url);
     url = url.resolved("/api/v1/games/"+gameID+"/metadata");
+
     QNetworkRequest request(url);
+    request.setRawHeader("Authorization", toBase64Header(this->username, this->password).toUtf8());
+
     QNetworkReply *reply = manager.get(request);
     QObject::connect(reply, &QNetworkReply::finished, [&]() {
         if (reply->error() == QNetworkReply::NoError) {
@@ -55,7 +85,10 @@ void Client::metadata(QString gameID, std::function<void(Metadata)> callback, st
     QNetworkAccessManager manager;
     QUrl url(this->url);
     url = url.resolved("/api/v1/games/"+gameID+"/metadata");
+
     QNetworkRequest request(url);
+    request.setRawHeader("Authorization", toBase64Header(this->username, this->password).toUtf8());
+
     QNetworkReply *reply = manager.get(request);
     QObject::connect(reply, &QNetworkReply::finished, [&]() {
         if (reply->error() == QNetworkReply::NoError) {
@@ -69,3 +102,73 @@ void Client::metadata(QString gameID, std::function<void(Metadata)> callback, st
         reply->deleteLater();
     });
 }
+
+void Client::pushSave(QString archivePath, Metadata game, std::function<void (QString)> errorCallback)
+{
+    QUrl url(this->url);
+    url = url.resolved("/api/v1/games/"+game.id()+"/metadata");
+
+    push(url, archivePath, game, errorCallback);
+}
+
+void Client::push(QUrl url, QString archivePath, Metadata g, std::function<void(QString)> errorCallback)
+{
+    static QNetworkAccessManager manager;
+
+    QFile *file = new QFile(archivePath);
+    if (!file->open(QIODevice::ReadOnly)) {
+        qWarning() << "Cannot open file";
+        file->deleteLater();
+        return;
+    }
+
+    QHttpMultiPart *multiPart = new QHttpMultiPart(QHttpMultiPart::FormDataType);
+
+    QHttpPart namePart;
+    namePart.setHeader(QNetworkRequest::ContentDispositionHeader, QVariant("form-data; name=\"name\""));
+    namePart.setBody(g.name().toUtf8());
+
+    QHttpPart versionPart;
+    versionPart.setHeader(QNetworkRequest::ContentDispositionHeader, QVariant("form-data; name=\"version\""));
+    versionPart.setBody(QString::number(g.version()).toUtf8());
+
+    QHttpPart datePart;
+    datePart.setHeader(QNetworkRequest::ContentDispositionHeader, QVariant("form-data; name=\"date\""));
+    datePart.setBody(g.date().toString(Qt::DateFormat::ISODateWithMs).toUtf8());
+
+    QHttpPart archivePart;
+    archivePart.setHeader(QNetworkRequest::ContentTypeHeader, QVariant("application/tar+gzip"));
+    archivePart.setHeader(QNetworkRequest::ContentDispositionHeader, QVariant("form-data; name=\"payload\""));
+    archivePart.setBodyDevice(file);
+    file->setParent(multiPart); // we cannot delete the file now, so delete it with the multiPart
+
+    multiPart->append(namePart);
+    multiPart->append(versionPart);
+    multiPart->append(datePart);
+    multiPart->append(archivePart);
+
+    QNetworkRequest req(url);
+    req.setRawHeader("Authorization", toBase64Header(this->username, this->password).toUtf8());
+
+    QNetworkReply *reply = manager.put(req, file);
+    file->setParent(reply); // auto-delete with reply
+
+    /*QObject::connect(reply, &QNetworkReply::uploadProgress, [](qint64 s, qint64 t){
+
+    });*/
+    QObject::connect(reply, &QNetworkReply::finished, [=]{
+        if (reply->error() != QNetworkReply::NoError) {
+            errorCallback(reply->errorString());
+        }
+        reply->deleteLater();
+        file->close();
+    });
+}
+
+QString Client::toBase64Header(QString username, QString password)
+{
+    QString c = username+":"+password;
+    return QString("Basic ")+c.toUtf8().toBase64();
+}
+
+
diff --git a/client.h b/client.h
index e7b4178..cfd36ef 100644
--- a/client.h
+++ b/client.h
@@ -11,17 +11,17 @@ class Client
 public:
     Client(QString url, QString username, QString password);
 
-    bool exists(QString gameID, std::function<void(bool)> callback, std::function<void(QString)> errorCallback);
+    void exists(QString gameID, std::function<void(bool)> callback, std::function<void(QString)> errorCallback);
     void version(std::function<void(Information)> callback, std::function<void(QString)> errorCallback);
     void hash(QString gameID, std::function<void(QString)> callback, std::function<void(QString)> errorCallback);
     void metadata(QString gameID, std::function<void(Metadata)> callback, std::function<void(QString)> errorCallback);
-    void pushSave(QString archivePath, Metadata game, std::function<void(Metadata)> callback, std::function<void(QString)> errorCallback);
+    void pushSave(QString archivePath, Metadata game, std::function<void(QString)> errorCallback);
     void pushBackup(QString archivePath, Metadata game, std::function<void(Metadata)> callback, std::function<void(QString)> errorCallback);
     void listArchives(QString gameID, std::function<void(QVector<QString>)> callback, std::function<void(QString)> errorCallback);
     void archiveInfo(QString gameID, QString backupID, std::function<void(Backup)> callback, std::function<void(QString)> errorCallback);
     void pull(QString gameID, QString archivePath, std::function<void(Metadata)> callback, std::function<void(QString)> errorCallback);
     void pullBackup(QString gameID, QString backupID, QString archivePath, std::function<void(Metadata)> callback, std::function<void(QString)> errorCallback);
-    bool ping(std::function<void(Metadata)> callback, std::function<void(QString)> errorCallback);
+    bool ping();
     void all(std::function<void(QVector<Metadata>)> callback, std::function<void(QString)> errorCallback);
     QString baseURL();
 
@@ -30,6 +30,9 @@ private:
     QString username;
     QString password;
 
+    void push(QUrl url, QString archivePath, Metadata g, std::function<void(QString)> errorCallback);
+    QString toBase64Header(QString username, QString password);
+
 };
 
 #endif // CLIENT_H
diff --git a/metadata.cpp b/metadata.cpp
index d74ada3..09c1663 100644
--- a/metadata.cpp
+++ b/metadata.cpp
@@ -13,6 +13,26 @@ Metadata::Metadata(QJsonObject obj)
     this->_md5 = obj["md5"].toString();
 }
 
+QString Metadata::id()
+{
+    return this->_id;
+}
+
+QString Metadata::name()
+{
+    return this->_name;
+}
+
+uint64_t Metadata::version()
+{
+    return this->_version;
+}
+
+QDateTime Metadata::date()
+{
+    return this->_date;
+}
+
 QString Metadata::md5()
 {
     return this->_md5;
diff --git a/metadata.h b/metadata.h
index 206507d..7eea11e 100644
--- a/metadata.h
+++ b/metadata.h
@@ -11,6 +11,10 @@ public:
     Metadata(QString name);
     Metadata(QJsonObject obj);
 
+    QString id();
+    QString name();
+    uint64_t version();
+    QDateTime date();
     QString md5();
 private:
     QString _id;