diff --git a/patreon/api.py b/patreon/api.py
index 65427d7..20db40c 100644
--- a/patreon/api.py
+++ b/patreon/api.py
@@ -97,6 +97,10 @@ def head_and_tail(path):
         # Path was valid until leaf, at which point nothing was found
         if current_dict is None or (head is not None and tail is None):
             return None
+
+        elif type(current_dict) == dict and head not in current_dict:
+            return None
+
         # Path stopped before leaf was reached
         elif current_dict and type(current_dict) != six.text_type:
             raise Exception(
@@ -135,4 +139,4 @@ def __as_utc(dt):
                 return dt.astimezone(utc_timezone())
             else:
                 return dt.replace(tzinfo=utc_timezone())
-        return dt
\ No newline at end of file
+        return dt
diff --git a/patreon/schemas/member.py b/patreon/schemas/member.py
index a89cc5d..cba491c 100644
--- a/patreon/schemas/member.py
+++ b/patreon/schemas/member.py
@@ -9,11 +9,13 @@ class Attributes(object):
     full_name = 'full_name'
     email = 'email'
     pledge_relationship_start = 'pledge_relationship_start'
+    pledge_cadence = 'pledge_cadence'
     lifetime_support_cents = 'lifetime_support_cents'
     currently_entitled_amount_cents = 'currently_entitled_amount_cents'
     last_charge_date = 'last_charge_date'
     last_charge_status = 'last_charge_status'
     note = 'note'
+    next_charge_date = 'next_charge_date'
     will_pay_amount_cents = 'will_pay_amount_cents'