diff --git a/api-ref/source/v3/index.rst b/api-ref/source/v3/index.rst
index e5631cc81b..b95b04c450 100644
--- a/api-ref/source/v3/index.rst
+++ b/api-ref/source/v3/index.rst
@@ -18,6 +18,9 @@ policy rules based on a role-based access control (RBAC) approach.
 The Identity service configuration file sets the name and location of a JSON
 policy file that stores these rules.
 
+Note that the V3 API implements HEAD for all GET requests. Each HEAD request
+contains the same headers and HTTP status code as the corresponding GET API.
+
 For information about Identity API protection, see
 `Identity API protection with role-based access control (RBAC)
 <https://docs.openstack.org/admin-guide/identity_service_api_protection.html>`_
diff --git a/releasenotes/notes/bug-1696574-15a728396350a95a.yaml b/releasenotes/notes/bug-1696574-15a728396350a95a.yaml
new file mode 100644
index 0000000000..ea54bf4032
--- /dev/null
+++ b/releasenotes/notes/bug-1696574-15a728396350a95a.yaml
@@ -0,0 +1,8 @@
+---
+fixes:
+  - |
+    [`bug 1696574 <https://bugs.launchpad.net/keystone/+bug/1696574>`_]
+    All GET APIs within keystone now have support for HEAD, if not already
+    implemented. All new HEAD APIs have the same response codes and headers as
+    their GET counterparts. This aids in client-side processing, especially
+    caching.