diff --git a/.readthedocs.yaml b/.readthedocs.yaml
new file mode 100644
index 0000000..26d3d1f
--- /dev/null
+++ b/.readthedocs.yaml
@@ -0,0 +1,13 @@
+# .readthedocs.yaml
+# Read the Docs configuration file
+# See https://docs.readthedocs.io/en/stable/config-file/v2.html for details
+
+version: 2
+
+build:
+  os: ubuntu-20.04
+  tools:
+    python: "3.9"
+
+mkdocs:
+  configuration: mkdocs.yml
diff --git a/docs/index.md b/docs/index.md
new file mode 100644
index 0000000..51418a6
--- /dev/null
+++ b/docs/index.md
@@ -0,0 +1,5 @@
+# Nextcloud Spreed Signaling Server Documentation
+
+## API
+
+* [Standalone signaling API](standalone-signaling-api-v1.md)
diff --git a/mkdocs.yml b/mkdocs.yml
new file mode 100644
index 0000000..19bab73
--- /dev/null
+++ b/mkdocs.yml
@@ -0,0 +1,22 @@
+site_name: Nextcloud Spreed Signaling API documentation
+
+theme:
+  name: readthedocs
+  highlightjs: true
+  hljs_languages:
+    - bash
+    - golang
+    - json
+    - make
+    - markdown
+
+markdown_extensions:
+  - admonition
+  - def_list
+  - toc:
+      permalink: "#"
+      baselevel: 2
+
+nav:
+  - 'API documentation':
+      - 'Standalone signaling API': 'standalone-signaling-api-v1.md'