diff --git a/docs/api-reference/monitoring/index.rst b/docs/api-reference/monitoring/index.rst
index 9d1fbc3890e..51268d35fc8 100644
--- a/docs/api-reference/monitoring/index.rst
+++ b/docs/api-reference/monitoring/index.rst
@@ -10,7 +10,7 @@ Monitoring data are time-series used to monitor the status or quality of hardwar
 
 This module provides some code to help to generate monitoring data from processed event data, particularly for the purposes of calibration and data quality assessment.
 
-Currently, only code related to :ref:`stats_aggregator` is implemented here.
+Currently, only code related to :ref:`stats_aggregator` and :ref:`outlier_detector` is implemented here.
 
 
 Submodules
@@ -21,6 +21,7 @@ Submodules
   :glob:
 
   aggregator
+  outlier
 
 
 Reference/API
diff --git a/docs/api-reference/monitoring/outlier.rst b/docs/api-reference/monitoring/outlier.rst
new file mode 100644
index 00000000000..e4d02af3eb0
--- /dev/null
+++ b/docs/api-reference/monitoring/outlier.rst
@@ -0,0 +1,11 @@
+.. _outlier_detector:
+
+****************
+Outlier Detector
+****************
+
+
+Reference/API
+=============
+
+.. automodapi:: ctapipe.monitoring.outlier