diff --git a/api-ref/source/parameters.yaml b/api-ref/source/status.yaml
similarity index 100%
rename from api-ref/source/parameters.yaml
rename to api-ref/source/status.yaml
diff --git a/api-ref/source/v1/api-versions.inc b/api-ref/source/v1/api-versions.inc
index a4a9545..97dbfe9 100644
--- a/api-ref/source/v1/api-versions.inc
+++ b/api-ref/source/v1/api-versions.inc
@@ -13,11 +13,11 @@ Lists information for all Venus API versions.
 Response codes
 --------------
 
-.. rest_status_code:: success ../parameters.yaml
+.. rest_status_code:: success ../status.yaml
 
    - 0
 
-.. rest_status_code:: error ../parameters.yaml
+.. rest_status_code:: error ../status.yaml
 
    - -1
 
diff --git a/api-ref/source/v1/custom_config.inc b/api-ref/source/v1/custom_config.inc
new file mode 100644
index 0000000..dafb82c
--- /dev/null
+++ b/api-ref/source/v1/custom_config.inc
@@ -0,0 +1,31 @@
+.. -*- rst -*-
+
+Custom Config
+=============
+
+Get Custom Config
+~~~~~~~~~~~~~~~~~~~~~
+
+.. rest_method:: GET /custom_config
+
+Get the value of all custom config.
+
+Response codes
+--------------
+
+.. rest_status_code:: success ../status.yaml
+
+   - 0
+
+.. rest_status_code:: error ../status.yaml
+
+   - -1
+
+Response
+--------
+
+**Example: JSON request**
+
+
+.. literalinclude:: ./samples/custom-config/custom-config-show-response.json
+   :language: javascript
diff --git a/api-ref/source/v1/index.rst b/api-ref/source/v1/index.rst
index b0e18d3..774245e 100644
--- a/api-ref/source/v1/index.rst
+++ b/api-ref/source/v1/index.rst
@@ -9,3 +9,7 @@ OpenStack Log API V1 (CURRENT)
 .. versions document.
 .. include:: api-versions.inc
 
+.. custom config document.
+.. include:: custom_config.inc
+
+
diff --git a/api-ref/source/v1/parameters.yaml b/api-ref/source/v1/parameters.yaml
new file mode 100644
index 0000000..b7a5b43
--- /dev/null
+++ b/api-ref/source/v1/parameters.yaml
@@ -0,0 +1 @@
+ADD INPUT PARAMETERS HERE
diff --git a/api-ref/source/v1/samples/basic_date/custom-config-show-response.json b/api-ref/source/v1/samples/basic_date/custom-config-show-response.json
deleted file mode 100644
index bfd1536..0000000
--- a/api-ref/source/v1/samples/basic_date/custom-config-show-response.json
+++ /dev/null
@@ -1,3 +0,0 @@
-{
-    "value": "30"
-}
diff --git a/api-ref/source/v1/samples/custom-config/custom-config-show-response.json b/api-ref/source/v1/samples/custom-config/custom-config-show-response.json
new file mode 100644
index 0000000..60c557a
--- /dev/null
+++ b/api-ref/source/v1/samples/custom-config/custom-config-show-response.json
@@ -0,0 +1,3 @@
+{
+    "log_save_days": "30"
+}