diff --git a/docs/api/index.rst b/docs/api/index.rst
--- a/docs/api/index.rst
+++ b/docs/api/index.rst
@@ -11,3 +11,16 @@
    api-documentation
    metadata
    use-cases
+
+API reference
+-------------
+
+.. toctree::
+   :maxdepth: 2
+
+   ../endpoints/service-document
+   ../endpoints/collection
+   ../endpoints/status
+   ../endpoints/content
+   ../endpoints/update-media
+   ../endpoints/update-metadata