diff --git a/doc/reference/runtime_conf/settings/settings.rst b/doc/reference/runtime_conf/settings/settings.rst
index 387fecfda1e..ad26395aa9a 100644
--- a/doc/reference/runtime_conf/settings/settings.rst
+++ b/doc/reference/runtime_conf/settings/settings.rst
@@ -279,5 +279,22 @@ API Reference
 
 The Settings subsystem APIs are provided by ``settings.h``:
 
+API for general settings usage
+==============================
 .. doxygengroup:: settings
    :project: Zephyr
+
+API for key-name processing
+===========================
+.. doxygengroup:: settings_name_proc
+   :project: Zephyr
+
+API for runtime settings manipulation
+=====================================
+.. doxygengroup:: settings_rt
+   :project: Zephyr
+
+API of backend interface
+========================
+..  doxygengroup:: settings_backend
+   :project: Zephyr