+If an ``X-Auth-Token`` is already present, the operation will be interpreted as a request to list other accounts that share objects to the user.
+
+====================== =========================
+Request Parameter Name Value
+====================== =========================
+limit The amount of results requested (default is 10000)
+marker Return containers with name lexicographically after marker
+format Optional extended reply type (can be ``json`` or ``xml``)
+====================== =========================
+
+The reply is a list of account names.
+If a ``format=xml`` or ``format=json`` argument is given, extended information on the accounts will be returned, serialized in the chosen format.
+For each account, the information will include the following (names will be in lower case and with hyphens replaced with underscores):
+
+=========================== ============================
+Name Description
+=========================== ============================
+name The name of the account
+last_modified The last account modification date (regardless of ``until``)
+=========================== ============================
+
+Example ``format=json`` reply:
+
+::
+
+ [{"name": "user", "last_modified": "2011-07-19T10:48:16"}, ...]
+
+Example ``format=xml`` reply:
+
+::
+
+ <?xml version="1.0" encoding="UTF-8"?>
+ <accounts>
+ <account>
+ <name>user</name>
+ <last_modified>2011-07-19T10:48:16</last_modified>
+ </account>
+ <account>...</account>
+ </accounts>
+
+=========================== =====================
+Return Code Description
+=========================== =====================
+200 (OK) The request succeeded
+204 (No Content) The user has no access to other accounts (only for non-extended replies)
+=========================== =====================
+
+Will use a ``200`` return code if the reply is of type json/xml.