diff --git a/atlassian/confluence/cloud/__init__.py b/atlassian/confluence/cloud/__init__.py
index afad9f4d0..2fa60c111 100644
--- a/atlassian/confluence/cloud/__init__.py
+++ b/atlassian/confluence/cloud/__init__.py
@@ -647,6 +647,33 @@ def get_user(self, user_id, **kwargs):
         params = {**(kwargs.pop("params", None) or {}), "accountId": user_id}
         return self.get("rest/api/user", params=params, **kwargs)
 
+    def get_user_details_by_accountid(self, accountid, expand=None):
+        """
+        Get information about a user through account ID.
+
+        :param accountid: the user's account ID
+        :param expand: OPTIONAL user properties to expand, for example
+                "personalSpace" or "operations"
+        :return: the user details
+        """
+        params = {"expand": expand} if expand else {}
+
+        try:
+            return self.get_user(accountid, params=params)
+        except HTTPError as e:
+            if e.response.status_code == 403:
+                raise ApiPermissionError(
+                    "The calling user does not have permission to view users",
+                    reason=e,
+                )
+            if e.response.status_code == 404:
+                raise ApiNotFoundError(
+                    "The user with the given account does not exist",
+                    reason=e,
+                )
+
+            raise
+
     def get_current_user(self, **kwargs):
         """Get current user."""
         return self.get("rest/api/user/current", **kwargs)
diff --git a/docs/confluence.rst b/docs/confluence.rst
index 0dc44fb6d..f27a6112e 100644
--- a/docs/confluence.rst
+++ b/docs/confluence.rst
@@ -934,6 +934,11 @@ Users and Groups
     # Get information about a user through username
     confluence.get_user_details_by_username(username, expand=None)
 
+    # Get information about a user through account ID
+    # ``ConfluenceCloud`` (and ``Confluence`` with a Cloud URL) also provide
+    # this, through ``/wiki/rest/api/user?accountId=...``.
+    confluence.get_user_details_by_accountid(accountid, expand=None)
+
     # Get information about a user through user key
     confluence.get_user_details_by_userkey(userkey, expand=None)
 
diff --git a/tests/confluence/test_confluence_cloud.py b/tests/confluence/test_confluence_cloud.py
index ed2816a5e..45906ac27 100644
--- a/tests/confluence/test_confluence_cloud.py
+++ b/tests/confluence/test_confluence_cloud.py
@@ -12,7 +12,7 @@
 from atlassian.confluence import Confluence, ConfluenceCloud
 from atlassian.confluence.cloud import Cloud
 from atlassian.confluence.cloud.cloud import ConfluenceCloud as ConfluenceCloudV2
-from atlassian.errors import ApiError, ApiPermissionError
+from atlassian.errors import ApiError, ApiNotFoundError, ApiPermissionError
 
 
 @pytest.fixture
@@ -720,6 +720,54 @@ def test_get_user_requests_wiki_user_endpoint(self, confluence_cloud):
         url = mock_request.call_args.kwargs["url"]
         assert url == "https://test.atlassian.net/wiki/rest/api/user?accountId=557058%3Af58131cb"
 
+    @patch.object(ConfluenceCloud, "get")
+    def test_get_user_details_by_accountid(self, mock_get, confluence_cloud):
+        mock_get.return_value = {"accountId": "user1", "displayName": "Test User"}
+
+        assert confluence_cloud.get_user_details_by_accountid("user1") == {
+            "accountId": "user1",
+            "displayName": "Test User",
+        }
+        mock_get.assert_called_once_with("rest/api/user", params={"accountId": "user1"})
+
+    def test_get_user_details_by_accountid_requests_wiki_user_endpoint(self, confluence_cloud):
+        response = Response()
+        response.status_code = 200
+        response._content = b'{"accountId": "557058:f58131cb", "displayName": "Test User"}'
+
+        with patch.object(confluence_cloud._session, "request", return_value=response) as mock_request:
+            assert confluence_cloud.get_user_details_by_accountid("557058:f58131cb", expand="personalSpace") == {
+                "accountId": "557058:f58131cb",
+                "displayName": "Test User",
+            }
+
+        url = mock_request.call_args.kwargs["url"]
+        assert url == "https://test.atlassian.net/wiki/rest/api/user?expand=personalSpace&accountId=557058%3Af58131cb"
+
+    @pytest.mark.parametrize(
+        "status_code, error, message",
+        [
+            (403, ApiPermissionError, "does not have permission to view users"),
+            (404, ApiNotFoundError, "The user with the given account does not exist"),
+        ],
+    )
+    @patch.object(ConfluenceCloud, "get")
+    def test_get_user_details_by_accountid_errors(self, mock_get, status_code, error, message, confluence_cloud):
+        response = Response()
+        response.status_code = status_code
+        mock_get.side_effect = HTTPError(response=response)
+
+        with pytest.raises(error, match=message):
+            confluence_cloud.get_user_details_by_accountid("user1")
+
+    @patch.object(ConfluenceCloud, "get")
+    def test_get_user_details_by_accountid_through_confluence_factory(self, mock_get):
+        mock_get.return_value = {"accountId": "user1"}
+        confluence = Confluence(url="https://test.atlassian.net", username="user", password="api-token")
+
+        assert confluence.get_user_details_by_accountid("user1") == {"accountId": "user1"}
+        mock_get.assert_called_once_with("rest/api/user", params={"accountId": "user1"})
+
     @patch.object(ConfluenceCloud, "get")
     def test_get_current_user(self, mock_get, confluence_cloud):
         """Test get_current_user method."""