diff --git a/spectrum_manager/src/APIServer.h b/spectrum_manager/src/APIServer.h
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+/**
+ * libtransport -- C++ library for easy XMPP Transports development
+ *
+ * Copyright (C) 2016, Jan Kaluza <hanzz.k@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02111-1301  USA
+ */
+
+#pragma once
+
+#include <boost/program_options.hpp>
+#include <boost/foreach.hpp>
+#include <boost/format.hpp>
+#include <boost/algorithm/string.hpp>
+#include <boost/assign.hpp>
+#include <boost/bind.hpp>
+#include <boost/signal.hpp>
+
+#include "mongoose.h"
+#include "managerconfig.h"
+#include "server.h"
+
+#include "transport/Config.h"
+#include "transport/SQLite3Backend.h"
+#include "transport/MySQLBackend.h"
+#include "transport/PQXXBackend.h"
+#include "transport/StorageBackend.h"
+
+using namespace Transport;
+
+class APIServer {
+	public:
+		APIServer(ManagerConfig *config, StorageBackend *storage);
+
+		virtual ~APIServer();
+
+		void handleRequest(Server *server, Server::session *sess, struct mg_connection *conn, struct http_message *hm);
+
+	private:
+		void serve_instances(Server *server, Server::session *sess, struct mg_connection *conn, struct http_message *hm);
+		void send_json(struct mg_connection *conn, const std::string &json);
+
+	private:
+		ManagerConfig *m_config;
+		StorageBackend *m_storage;
+};