diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
new file mode 100644
index 0000000..d8ad8b8
--- /dev/null
+++ b/.github/workflows/docs.yml
@@ -0,0 +1,28 @@
+name: Build Documentation
+
+on:
+  pull_request:
+  push:
+    branches:
+      - main
+
+jobs:
+  docs:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Check out repository
+        uses: actions/checkout@v6
+
+      - name: Set up Python
+        uses: actions/setup-python@v6
+        with:
+          python-version: "3.x"
+
+      - name: Install module and doc packages
+        run: |
+          python -m pip install --upgrade pip
+          pip install -e ".[docs]"
+
+      - name: Generate documentation
+        run: sphinx-build -W -b html docs/source docs/build
diff --git a/.gitignore b/.gitignore
index e671fc1..c113576 100644
--- a/.gitignore
+++ b/.gitignore
@@ -20,3 +20,7 @@ coverage_html_report
 # Package build files and folders
 *.egg-info/
 **/dist/
+
+# Sphinx and documentation auto generated files
+docs/build/
+docs/source/generated/
diff --git a/.readthedocs.yaml b/.readthedocs.yaml
new file mode 100644
index 0000000..6606de1
--- /dev/null
+++ b/.readthedocs.yaml
@@ -0,0 +1,16 @@
+version: 2
+
+build:
+  os: ubuntu-24.04
+  tools:
+    python: "3.14"
+
+sphinx:
+  configuration: docs/source/conf.py
+
+python:
+  install:
+    - method: pip
+      path: .
+      extra_requirements:
+        - docs
diff --git a/README.md b/README.md
index 30c7b64..a306ebb 100644
--- a/README.md
+++ b/README.md
@@ -56,7 +56,7 @@ pip install -e .
 
 > [!IMPORTANT]
 > While every effort is made to maintain a stable API, this module is relatively new so users should not be surprised if there are changes between versions.
-> If a breaking change has been introduced, it will always be highlighted in the [CHANGELOG](CHANGELOG.md).
+> If a breaking change has been introduced, it will always be highlighted in the [CHANGELOG](https://github.com/php1ic/nuclearmasses/blob/main/CHANGELOG.md).
 
 The combination of AME and NUBASE values from all years is available as a single dataframe
 ```python
diff --git a/docs/source/api.md b/docs/source/api.md
new file mode 100644
index 0000000..4d4064c
--- /dev/null
+++ b/docs/source/api.md
@@ -0,0 +1,9 @@
+# API Reference
+
+```{eval-rst}
+.. autosummary::
+   :toctree: generated
+   :recursive:
+
+   nuclearmasses
+```
diff --git a/docs/source/conf.py b/docs/source/conf.py
new file mode 100644
index 0000000..11061a9
--- /dev/null
+++ b/docs/source/conf.py
@@ -0,0 +1,46 @@
+# Configuration file for the Sphinx documentation builder.
+#
+# For the full list of built-in configuration values, see the documentation:
+# https://www.sphinx-doc.org/en/master/usage/configuration.html
+
+from pathlib import Path
+import sys
+import tomllib
+
+# Get the root path of the project
+ROOT = Path(__file__).resolve().parents[2]
+
+sys.path.insert(0, str(ROOT / "src"))
+
+# Project information
+with open(ROOT / "pyproject.toml", "rb") as f:
+    pyproject = tomllib.load(f)
+
+project = pyproject["project"]["name"]
+release = pyproject["project"]["version"]
+version = release
+copyright = "2026, php1ic"
+author = "php1ic"
+
+# General configuration
+extensions = [
+    "myst_parser",
+    "sphinx.ext.autodoc",
+    "sphinx.ext.autosummary",
+    "sphinx.ext.napoleon",
+    "sphinx.ext.viewcode",
+]
+
+napoleon_numpy_docstring = True
+napoleon_google_docstring = False
+autosummary_generate = True
+
+exclude_patterns = []
+
+source_suffix = {
+    ".rst": "restructuredtext",
+    ".md": "markdown",
+}
+
+# Options for HTML output
+html_theme = "furo"
diff --git a/docs/source/getting_started.md b/docs/source/getting_started.md
new file mode 100644
index 0000000..c7719d8
--- /dev/null
+++ b/docs/source/getting_started.md
@@ -0,0 +1,2 @@
+```{include} ../../README.md
+```
diff --git a/docs/source/index.md b/docs/source/index.md
new file mode 100644
index 0000000..81c8d23
--- /dev/null
+++ b/docs/source/index.md
@@ -0,0 +1,11 @@
+# nuclearmasses
+
+Setting up the framework and pipeline. More complete documentation will follow
+
+```{toctree}
+:maxdepth: 3
+
+getting_started
+api
+```
+
diff --git a/pyproject.toml b/pyproject.toml
index 6cba31e..22d837b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -53,6 +53,12 @@ dev = [
   "ruff"
 ]
 
+docs = [
+    "sphinx",
+    "furo",
+    "myst-parser",
+]
+
 [project.urls]
 GitHub = "https://github.com/php1ic/nuclearmasses"
 Changelog = "https://github.com/php1ic/nuclearmasses/blob/main/CHANGELOG.md"