diff --git a/SHARING.md b/SHARING.md
index 1bf7df0b..362ada42 100644
--- a/SHARING.md
+++ b/SHARING.md
@@ -270,7 +270,8 @@ FeatureEnabledCollectionByToken=True
 PermittedCreateCollectionByToken=True
 SupportedConversions=(bday none)
 PermittedPropertiesOverlay=True
-SupportedPropertiesOverlay=(C:calendar-description ICAL:calendar-color CR:addressbook-description INF:addressbook-color D:displayname)
+SupportedPropertiesOverlay=(C:calendar-description ICAL:calendar-color CR:addressbook-description INF:addressbook-color D:displayname ICAL:calendar-order)
+SupportedActions='{'config': {'conversion_bday_summary_template': 'str', 'conversion_bday_description_template': 'str', 'conversion_bday_alarm_trigger_template': 'str', 'conversion_bday_categories': 'str', 'conversion_bday_age_max': 'int'}}'
 ```
 
 ###### json->json, parsed with jq
@@ -285,9 +286,28 @@ curl -u user:$userpw --silent -H "accept: application/json" -d "" http://localho
   "PermittedCreateCollectionByMap": true,
   "FeatureEnabledCollectionByToken": true,
   "PermittedCreateCollectionByToken": true,
-  "SupportedConversions": ["bday", "none"],
+  "SupportedConversions": [
+    "bday",
+    "none"
+  ],
   "PermittedPropertiesOverlay": true,
-  "SupportedPropertiesOverlay": ["C:calendar-description", "ICAL:calendar-color", "CR:addressbook-description", "INF:addressbook-color", "D:displayname"]
+  "SupportedPropertiesOverlay": [
+    "C:calendar-description",
+    "ICAL:calendar-color",
+    "CR:addressbook-description",
+    "INF:addressbook-color",
+    "D:displayname",
+    "ICAL:calendar-order"
+  ],
+  "SupportedActions": {
+    "config": {
+      "conversion_bday_summary_template": "str",
+      "conversion_bday_description_template": "str",
+      "conversion_bday_alarm_trigger_template": "str",
+      "conversion_bday_categories": "str",
+      "conversion_bday_age_max": "int"
+    }
+  }
 }
 ```
 
diff --git a/radicale/sharing/__init__.py b/radicale/sharing/__init__.py
index 340f97e5..36fe251e 100644
--- a/radicale/sharing/__init__.py
+++ b/radicale/sharing/__init__.py
@@ -116,6 +116,7 @@ API_TYPES_V1: dict[str, type] = {
         "SupportedConversions": list,
         "PermittedPropertiesOverlay": bool,
         "SupportedPropertiesOverlay": list,
+        "SupportedActions": dict,
 }
 
 
@@ -185,6 +186,7 @@ def check_template_alarm_trigger(data: Any) -> str:
     return data
 
 
+# dict for validation of API request: create/update
 ACTIONS_WHITELIST: dict = {
         'config': {
             'conversion_bday_summary_template': check_template_not_empty,
@@ -195,6 +197,17 @@ ACTIONS_WHITELIST: dict = {
             },
         }
 
+# dict for displaying API request: info
+ACTIONS_WHITELIST_INFO: dict = {
+        'config': {
+            'conversion_bday_summary_template': "str",
+            'conversion_bday_description_template': "str",
+            'conversion_bday_alarm_trigger_template': "str",
+            'conversion_bday_categories': "str",
+            'conversion_bday_age_max': "int",
+            },
+        }
+
 CONVERSIONS_WHITELIST: Sequence[str] = ("bday", "none")
 
 
@@ -1431,6 +1444,7 @@ class BaseSharing:
                 answer['SupportedConversions'] = CONVERSIONS_WHITELIST
                 answer['PermittedPropertiesOverlay'] = self.permit_properties_overlay
                 answer['SupportedPropertiesOverlay'] = OVERLAY_PROPERTIES_WHITELIST
+                answer['SupportedActions'] = ACTIONS_WHITELIST_INFO
 
         # action: TOGGLE
         elif action in API_SHARE_TOGGLES_V1:
diff --git a/radicale/tests/test_sharing.py b/radicale/tests/test_sharing.py
index 521a3858..447893a2 100644
--- a/radicale/tests/test_sharing.py
+++ b/radicale/tests/test_sharing.py
@@ -425,6 +425,7 @@ class TestSharingApiSanity(BaseTest):
             assert answer_dict['SupportedConversions'] == list(sharing.CONVERSIONS_WHITELIST)
             assert answer_dict['PermittedPropertiesOverlay'] is True
             assert answer_dict['SupportedPropertiesOverlay'] == list(sharing.OVERLAY_PROPERTIES_WHITELIST)
+            assert answer_dict['SupportedActions'] == sharing.ACTIONS_WHITELIST_INFO
 
             logging.info("\n*** check API hook: info/all (2)")
             self.configure({"sharing": {"permit_properties_overlay": "False"}})