diff --git a/.github/workflows/doc.yml b/.github/workflows/doc.yml
new file mode 100644
index 000000000..8b160ffe0
--- /dev/null
+++ b/.github/workflows/doc.yml
@@ -0,0 +1,35 @@
+name: Docs
+on:
+  push:
+    branches: [main, compile]
+  pull_request:
+    branches: [main]
+  workflow_dispatch:
+
+permissions:
+  contents: write
+jobs:
+  docs:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/setup-python@v3
+        with:
+          python-version: '3.9'
+      - name: Install dependencies
+        run: |
+          pip install -r docs/requirements.txt
+          pip install torch==2.0.0 --index-url https://download.pytorch.org/whl/cpu
+          BUILD_NO_CUDA=1 pip install .
+      - name: Sphinx build
+        # fail on warnings: "-W --keep-going"
+        run: |
+          sphinx-build docs/source _build
+      - name: Deploy
+        uses: peaceiris/actions-gh-pages@v3
+        with:
+          publish_branch: gh-pages
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          publish_dir: _build/
+          force_orphan: true
+        #   cname: ...
diff --git a/docs/Makefile b/docs/Makefile
new file mode 100644
index 000000000..41c270bb3
--- /dev/null
+++ b/docs/Makefile
@@ -0,0 +1,20 @@
+# Minimal makefile for Sphinx documentation
+#
+
+# You can set these variables from the command line, and also
+# from the environment for the first two.
+SPHINXOPTS    ?=
+SPHINXBUILD   ?= sphinx-build
+SOURCEDIR     = .
+BUILDDIR      = _build
+
+# Put it first so that "make" without argument is like "make help".
+help:
+	@$(SPHINXBUILD) -M help "$(SOURCEDIR)" "$(BUILDDIR)" $(SPHINXOPTS) $(O)
+
+.PHONY: help Makefile
+
+# Catch-all target: route all unknown targets to Sphinx using the new
+# "make mode" option.  $(O) is meant as a shortcut for $(SPHINXOPTS).
+%: Makefile
+	@$(SPHINXBUILD) -M $@ "$(SOURCEDIR)" "$(BUILDDIR)" $(SPHINXOPTS) $(O)
\ No newline at end of file
diff --git a/docs/source/apis/proj.rst b/docs/source/apis/proj.rst
new file mode 100644
index 000000000..98f112661
--- /dev/null
+++ b/docs/source/apis/proj.rst
@@ -0,0 +1,7 @@
+Projection
+===================================
+
+.. currentmodule:: diff_rast
+
+.. autoclass:: ProjectGaussians
+    :members:
diff --git a/docs/source/apis/rasterize.rst b/docs/source/apis/rasterize.rst
new file mode 100644
index 000000000..ea6b9487b
--- /dev/null
+++ b/docs/source/apis/rasterize.rst
@@ -0,0 +1,7 @@
+Rasterization
+===================================
+
+.. currentmodule:: diff_rast
+
+.. autoclass:: RasterizeGaussians
+    :members:
diff --git a/docs/source/conf.py b/docs/source/conf.py
new file mode 100644
index 000000000..7b682372c
--- /dev/null
+++ b/docs/source/conf.py
@@ -0,0 +1,42 @@
+__version__ = None
+exec(open("../../diff_rast/version.py", "r").read())
+
+# -- Project information
+
+project = "diff_rast"
+copyright = "2023, Vickie"
+author = "Vickie"
+
+release = __version__
+
+# -- General configuration
+
+extensions = [
+    "sphinx.ext.napoleon",
+    "sphinx.ext.duration",
+    "sphinx.ext.doctest",
+    "sphinx.ext.autodoc",
+    "sphinx.ext.autosummary",
+    "sphinx.ext.intersphinx",
+]
+
+intersphinx_mapping = {
+    "python": ("https://docs.python.org/3/", None),
+    "sphinx": ("https://www.sphinx-doc.org/en/master/", None),
+}
+intersphinx_disabled_domains = ["std"]
+
+templates_path = ["_templates"]
+
+# -- Options for HTML output
+html_theme = "furo"
+
+# Ignore >>> when copying code
+copybutton_prompt_text = r">>> |\.\.\. "
+copybutton_prompt_is_regexp = True
+
+# -- Options for EPUB output
+epub_show_urls = "footnote"
+
+# typehints
+autodoc_typehints = "description"
diff --git a/docs/source/index.rst b/docs/source/index.rst
new file mode 100644
index 000000000..04800eab8
--- /dev/null
+++ b/docs/source/index.rst
@@ -0,0 +1,13 @@
+DiffRast Documentation
+===================================
+
+
+Links:
+-------------
+
+.. toctree::
+   :glob:
+   :maxdepth: 1
+   :caption: Python API
+
+   apis/*
diff --git a/setup.py b/setup.py
index df4ef6a9c..3a856cb59 100644
--- a/setup.py
+++ b/setup.py
@@ -106,6 +106,7 @@ def get_extensions():
     download_url=f"{URL}/archive/{__version__}.tar.gz",
     python_requires=">=3.7",
     install_requires=[
+        "jaxtyping",
         "rich>=12",
         "torch",
         "typing_extensions; python_version<'3.8'",