diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 781c02bb14..7fccb60c6a 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -9,11 +9,13 @@ jobs:
   syntax-check:
     name: Check syntax
     runs-on: ubuntu-latest
-    container: python:3.11-slim
+    container: python:3.11
     continue-on-error: true
     steps:
       - name: Checkout repository
         uses: actions/checkout@v3
+        with:
+          submodules: true
       - name: Create virtual environment
         run: |
           python -m venv venv
@@ -26,16 +28,19 @@ jobs:
   build-error-check:
     name: Check build error
     runs-on: ubuntu-latest
-    container: python:3.11-slim
+    container: python:3.11
     steps:
       - name: Checkout repository
         uses: actions/checkout@v3
+        with:
+          submodules: true
       - name: Create virtual environment
         run: |
           python -m venv venv
           . venv/bin/activate
           pip install -r requirements.txt
+          pip install ./nitrokey-sdk-py
       - name: Build documentation
         run: |
           . venv/bin/activate
-          sphinx-build -W -j 1 -a -D language='en' -b html . __preview
\ No newline at end of file
+          sphinx-build -W -j 1 -a -D language='en' -b html . __preview
diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000000..7554761a5c
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "nitrokey-sdk-py"]
+	path = nitrokey-sdk-py
+	url = https://github.com/Nitrokey/nitrokey-sdk-py.git
diff --git a/Makefile b/Makefile
index 79ecb6354d..14aca7f3c2 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 
 
 all: __preview venv
-	. venv/bin/activate && sphinx-build -j auto -a -D language='en' -b html . __preview
+	. venv/bin/activate && pip install ./nitrokey-sdk-py && sphinx-build -j auto -a -D language='en' -b html . __preview
 
 watch:
 	while true; do inotifywait -e MODIFY `find . -name '*.rst'`; make; sleep 1; done
diff --git a/conf.py b/conf.py
index 1c1a834fe5..fd8642eedd 100644
--- a/conf.py
+++ b/conf.py
@@ -39,6 +39,7 @@
 # extensions coming with Sphinx (named 'sphinx.ext.*') or your custom
 # ones.
 extensions = [
+    'sphinx.ext.autodoc',
     'sphinx.ext.todo',
     'sphinx.ext.coverage',
     'sphinx_copybutton',
@@ -435,3 +436,9 @@
 
 # Disables the closing of tabs if clicked on the currently active tab
 sphinx_tabs_disable_tab_closing = True
+
+# -- Options for autodoc extension -------------------------------------------
+
+autodoc_class_signature = 'separated'
+autodoc_member_order = 'groupwise'
+autodoc_typehints = 'description'
diff --git a/nitrokey-sdk-py b/nitrokey-sdk-py
new file mode 160000
index 0000000000..4fa7307b95
--- /dev/null
+++ b/nitrokey-sdk-py
@@ -0,0 +1 @@
+Subproject commit 4fa7307b956715c6c3120f22b13ed8a13f422093
diff --git a/software/index.rst b/software/index.rst
index 2fc32150d5..1cf7649483 100644
--- a/software/index.rst
+++ b/software/index.rst
@@ -7,3 +7,4 @@ Software
 
    nk-app2/index
    nitropy/index
+   ../nitrokey-sdk-py/docs/index