diff --git a/admin_manual/configuration_user/user_provisioning_api.rst b/admin_manual/configuration_user/user_provisioning_api.rst
index 080a369ad..e008c6460 100644
--- a/admin_manual/configuration_user/user_provisioning_api.rst
+++ b/admin_manual/configuration_user/user_provisioning_api.rst
@@ -13,6 +13,8 @@ listed above. The Provisioning API app is enabled by default.
 
 The base URL for all calls to the share API is **nextcloud_base_url/ocs/v1.php/cloud**.
 
+All calls to OCS endpoints require the ``OCS-APIRequest`` header to be set to ``true``.
+
 Instruction Set For Users
 =========================
 
diff --git a/developer_manual/core/ocs-share-api.rst b/developer_manual/core/ocs-share-api.rst
index 9c998282e..45e0b4e63 100644
--- a/developer_manual/core/ocs-share-api.rst
+++ b/developer_manual/core/ocs-share-api.rst
@@ -7,6 +7,8 @@ pre-defined OCS calls.
 
 The base URL for all calls to the share API is: *<nextcloud_base_url>/ocs/v1.php/apps/files_sharing/api/v1*
 
+All calls to OCS endpoints require the ``OCS-APIRequest`` header to be set to ``true``.
+
 Local Shares
 ============