diff --git a/placement-api-ref/source/parameters.yaml b/placement-api-ref/source/parameters.yaml
index faca4471015f..998aad1fd624 100644
--- a/placement-api-ref/source/parameters.yaml
+++ b/placement-api-ref/source/parameters.yaml
@@ -1,3 +1,12 @@
+# variables in header
+location:
+  description: |
+    The location URL of the resource created,
+    HTTP header "Location: <Location URL>" will be returned.
+  in: header
+  required: true
+  type: string
+
 # variables in path
 consumer_uuid: &consumer_uuid
   type: string
diff --git a/placement-api-ref/source/resource_class.inc b/placement-api-ref/source/resource_class.inc
index 61bb933f0cd2..f8f7e758cfb8 100644
--- a/placement-api-ref/source/resource_class.inc
+++ b/placement-api-ref/source/resource_class.inc
@@ -69,6 +69,10 @@ Request
 Response
 --------
 
+.. rest_parameters:: parameters.yaml
+
+  - Location: location
+
 No body content is returned on a successful PUT.
 
 Update resource class (microversions 1.2 - 1.6)
diff --git a/placement-api-ref/source/resource_classes.inc b/placement-api-ref/source/resource_classes.inc
index 4e1dad24d372..0e8f80b4543e 100644
--- a/placement-api-ref/source/resource_classes.inc
+++ b/placement-api-ref/source/resource_classes.inc
@@ -68,4 +68,8 @@ Request example
 Response
 --------
 
+.. rest_parameters:: parameters.yaml
+
+  - Location: location
+
 No body content is returned on a successful POST.
diff --git a/placement-api-ref/source/resource_providers.inc b/placement-api-ref/source/resource_providers.inc
index cffd98a7a191..fef031de4042 100644
--- a/placement-api-ref/source/resource_providers.inc
+++ b/placement-api-ref/source/resource_providers.inc
@@ -83,4 +83,8 @@ Request example
 Response
 --------
 
+.. rest_parameters:: parameters.yaml
+
+  - Location: location
+
 No body content is returned on a successful POST.
diff --git a/placement-api-ref/source/traits.inc b/placement-api-ref/source/traits.inc
index b40df81c1159..6b8ca246c90c 100644
--- a/placement-api-ref/source/traits.inc
+++ b/placement-api-ref/source/traits.inc
@@ -99,6 +99,10 @@ Request
 Response
 --------
 
+.. rest_parameters:: parameters.yaml
+
+  - Location: location
+
 No body content is returned on a successful PUT.
 
 Delete traits