diff --git a/docs/api.rst b/docs/api.rst
new file mode 100644
index 0000000..2e43d62
--- /dev/null
+++ b/docs/api.rst
@@ -0,0 +1,7 @@
+API of win32_window_monitor
+===========================
+
+.. automodule:: win32_window_monitor
+   :members:
+   :undoc-members:
+   :show-inheritance:
diff --git a/docs/conf.py b/docs/conf.py
index 955d200..91e509f 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -1,4 +1,7 @@
 import sphinx_rtd_theme
+import os
+import sys
+sys.path.insert(0, os.path.abspath('..'))
 
 # Configuration file for the Sphinx documentation builder.
 #
@@ -21,8 +24,15 @@
     "myst_parser",
 ]
 
+# TODO check the napoleon extension which allow more compact/readable docstring:
+# https://sphinxcontrib-napoleon.readthedocs.io/en/latest/
+
+
 templates_path = ['_templates']
-exclude_patterns = []
+exclude_patterns = ['_build', 'Thumbs.db', '.DS_Store']
+
+# ensure that __all__ is not ignored
+autosummary_imported_members = True
 
 # -- Options for HTML output -------------------------------------------------
 # https://www.sphinx-doc.org/en/master/usage/configuration.html#options-for-html-output
diff --git a/docs/index.rst b/docs/index.rst
index b22e46b..f350975 100644
--- a/docs/index.rst
+++ b/docs/index.rst
@@ -74,12 +74,7 @@ example is not generated when restoring a minimized window.
    :maxdepth: 2
    :caption: Contents:
 
-.. automodule:: win32_window_monitor
-   :members:
-
-.. autosummary::
-   :toctree: generated
-
+   api
 
 .. include ../README.md
 
diff --git a/docs/make.bat b/docs/make.bat
new file mode 100644
index 0000000..954237b
--- /dev/null
+++ b/docs/make.bat
@@ -0,0 +1,35 @@
+@ECHO OFF
+
+pushd %~dp0
+
+REM Command file for Sphinx documentation
+
+if "%SPHINXBUILD%" == "" (
+	set SPHINXBUILD=sphinx-build
+)
+set SOURCEDIR=.
+set BUILDDIR=_build
+
+%SPHINXBUILD% >NUL 2>NUL
+if errorlevel 9009 (
+	echo.
+	echo.The 'sphinx-build' command was not found. Make sure you have Sphinx
+	echo.installed, then set the SPHINXBUILD environment variable to point
+	echo.to the full path of the 'sphinx-build' executable. Alternatively you
+	echo.may add the Sphinx directory to PATH.
+	echo.
+	echo.If you don't have Sphinx installed, grab it from
+	echo.https://www.sphinx-doc.org/
+	exit /b 1
+)
+
+if "%1" == "" goto help
+
+%SPHINXBUILD% -M %1 %SOURCEDIR% %BUILDDIR% %SPHINXOPTS% %O%
+goto end
+
+:help
+%SPHINXBUILD% -M help %SOURCEDIR% %BUILDDIR% %SPHINXOPTS% %O%
+
+:end
+popd
diff --git a/win32_window_monitor/__init__.py b/win32_window_monitor/__init__.py
index 46ad222..412e1d7 100644
--- a/win32_window_monitor/__init__.py
+++ b/win32_window_monitor/__init__.py
@@ -13,4 +13,22 @@
     run_message_loop,
     post_quit_message,
     post_quit_message_on_break_signal,
-)
\ No newline at end of file
+)
+
+__all__ = [
+    # ids
+    'HookEvent',
+    'ObjectId',
+    # win32api
+    'WinEventProcType',
+    'HWINEVENTHOOK',
+    'get_process_filename',
+    'get_hwnd_process_id',
+    'get_window_title',
+    'set_win_event_hook',
+    'unhook_win_event',
+    'init_com',
+    'run_message_loop',
+    'post_quit_message',
+    'post_quit_message_on_break_signal',
+]
diff --git a/win32_window_monitor/win32api.py b/win32_window_monitor/win32api.py
index 1dee286..825a7d1 100644
--- a/win32_window_monitor/win32api.py
+++ b/win32_window_monitor/win32api.py
@@ -161,7 +161,6 @@ def init_com():
 def run_message_loop():
     """
     Runs WIN32 message loop (user32.GetMessageW) until WM_QUIT is received.
-    :return:
     """
     msg = ctypes.wintypes.MSG()
     while user32.GetMessageW(ctypes.byref(msg), 0, 0, 0) != 0: