diff --git a/src/org/geometerplus/android/fbreader/api/Api.java b/src/org/geometerplus/android/fbreader/api/Api.java
new file mode 100644
index 000000000..48797a66a
--- /dev/null
+++ b/src/org/geometerplus/android/fbreader/api/Api.java
@@ -0,0 +1,43 @@
+/*
+ * Copyright (C) 2010-2011 Geometer Plus <contact@geometerplus.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
+ * 02110-1301, USA.
+ */
+
+package org.geometerplus.android.fbreader.api;
+
+public interface Api {
+	public void connect();
+	public void disconnect();
+
+	// fbreader information
+	public String getFBReaderVersion() throws ApiException;
+
+	// book information
+	public String getBookLanguage() throws ApiException;
+
+	// text information
+	public int getParagraphsNumber() throws ApiException;
+	public int getElementsNumber(int paragraphIndex) throws ApiException;
+	public String getParagraphText(int paragraphIndex) throws ApiException;
+
+	// page information
+	public TextPosition getPageStart() throws ApiException;
+	public TextPosition getPageEnd() throws ApiException;
+
+	// manage view
+	public void setPageStart(TextPosition position) throws ApiException;
+}
diff --git a/src/org/geometerplus/android/fbreader/api/ApiServiceConnection.java b/src/org/geometerplus/android/fbreader/api/ApiServiceConnection.java
index 32d4c3b91..40facc713 100644
--- a/src/org/geometerplus/android/fbreader/api/ApiServiceConnection.java
+++ b/src/org/geometerplus/android/fbreader/api/ApiServiceConnection.java
@@ -22,7 +22,7 @@ package org.geometerplus.android.fbreader.api;
 import android.content.*;
 import android.os.IBinder;
 
-public class ApiServiceConnection implements ServiceConnection, ApiMethods {
+public class ApiServiceConnection implements ServiceConnection, Api, ApiMethods {
 	private static String ACTION_API = "android.fbreader.action.API";
 
 	private final Context myContext;