diff --git a/.zuul.yaml b/.zuul.yaml
index 59c86aae..6c0ce033 100644
--- a/.zuul.yaml
+++ b/.zuul.yaml
@@ -4,6 +4,7 @@
       - build-openstack-docs-pti
     check:
       jobs:
+        - build-openstack-api-ref
         - build-openstack-releasenotes
         - openstack-tox-linters
         - openstack-tox-pep8
@@ -12,12 +13,14 @@
             voting: false
     gate:
       jobs:
+        - build-openstack-api-ref
         - build-openstack-releasenotes
         - openstack-tox-linters
         - openstack-tox-pep8
         - stx-updates-pylint
     post:
       jobs:
+        - publish-stx-api-ref
         - publish-stx-tox
         - publish-stx-releasenotes
 
diff --git a/api-ref/source/conf.py b/api-ref/source/conf.py
new file mode 100644
index 00000000..a40bab8c
--- /dev/null
+++ b/api-ref/source/conf.py
@@ -0,0 +1,66 @@
+#
+# SPDX-License-Identifier: Apache-2.0
+
+# stx-update API reference documentation build configuration file
+#
+# This file is execfile()d with the current directory set to
+# its containing dir.
+#
+# Note that not all possible configuration values are present in this
+# autogenerated file.
+#
+# All configuration values have a default; values that are commented out
+# serve to show the default.
+
+import os
+import sys
+
+extensions = [
+    'openstackdocstheme',
+    'os_api_ref',
+]
+
+html_theme = 'openstackdocs'
+
+html_theme_options = {
+    "sidebar_dropdown": "api_ref",
+    "sidebar_mode": "toc",
+}
+
+# If extensions (or modules to document with autodoc) are in another directory,
+# add these directories to sys.path here. If the directory is relative to the
+# documentation root, use os.path.abspath to make it absolute, like shown here.
+sys.path.insert(0, os.path.abspath('../../'))
+sys.path.insert(0, os.path.abspath('../'))
+sys.path.insert(0, os.path.abspath('./'))
+
+# The suffix of source filenames.
+source_suffix = '.rst'
+
+# The master toctree document.
+master_doc = 'index'
+
+# General information about the project.
+repository_name = 'openstack/stx-update'
+project = u'stx-update'
+bug_project = 'starlingx'
+bug_tag = 'stx.update'
+
+# If true, the current module name will be prepended to all description
+# unit titles (such as .. function::).
+add_module_names = False
+
+# If true, sectionauthor and moduleauthor directives will be shown in the
+# output. They are ignored by default.
+show_authors = False
+
+# The name of the Pygments (syntax highlighting) style to use.
+pygments_style = 'sphinx'
+
+# Grouping the document tree into LaTeX files. List of tuples
+# (source start file, target name, title, author, documentclass
+# [howto/manual]).
+latex_documents = [
+    ('index', 'stx-update.tex', u'stx-update API Documentation',
+     u'StarlingX', 'manual'),
+]
diff --git a/api-ref/source/index.rst b/api-ref/source/index.rst
new file mode 100644
index 00000000..435e2c8c
--- /dev/null
+++ b/api-ref/source/index.rst
@@ -0,0 +1,8 @@
+========================
+stx-update API Reference
+========================
+
+StarlingX Installation/Update/Patching/Backup/Restore
+
+.. toctree::
+   :maxdepth: 2