diff --git a/api-ref/source/baremetal-api-v1-nodes.inc b/api-ref/source/baremetal-api-v1-nodes.inc
index 22d4f980d1..f55b5abfeb 100644
--- a/api-ref/source/baremetal-api-v1-nodes.inc
+++ b/api-ref/source/baremetal-api-v1-nodes.inc
@@ -496,6 +496,14 @@ Response
     - retired: retired
     - retired_reason: retired_reason
     - network_data: network_data
+    - automated_clean: automated_clean
+    - service_step: service_step
+    - firmware_interface: firmware_interface
+    - provision_updated_at: provision_updated_at
+    - inspection_started_at: inspection_started_at
+    - inspection_finished_at: inspection_finished_at
+    - created_at: created_at
+    - updated_at: updated_at
 
 **Example detailed list of Nodes:**
 
diff --git a/api-ref/source/parameters.yaml b/api-ref/source/parameters.yaml
index e800631913..6e3cafc671 100644
--- a/api-ref/source/parameters.yaml
+++ b/api-ref/source/parameters.yaml
@@ -1060,6 +1060,12 @@ firmware_components:
   in: body
   required: true
   type: array
+firmware_interface:
+  description: |
+    Firmware interface for a node, e.g. “redfish”.
+  in: body
+  required: true
+  type: string
 history_event:
   description: |
     The event message body which has been logged related to the node for
@@ -2096,6 +2102,15 @@ secure_boot:
     Indicates whether node is currently booted with secure_boot turned on.
   in: body
   type: boolean
+service_step:
+  description: |
+    A dictionary containing the interface and step to be executed on the node.
+    The dictionary must contain the keys 'interface' and 'step'. If specified,
+    the value for 'args' is a keyword variable argument dictionary that is
+    passed to the cleaning step method.
+  in: body
+  required: true
+  type: JSON
 service_steps:
   description: |
     An ordered list of service steps that will be performed on the node. A