diff --git a/src/sipcentric/__init__.py b/src/sipcentric/__init__.py
index f01572f..99e5c66 100644
--- a/src/sipcentric/__init__.py
+++ b/src/sipcentric/__init__.py
@@ -281,6 +281,15 @@ class Customer(APIObject):
         for c in self._api.getMany(LinkedUser.makeUrl(parent=self)):
             yield LinkedUser(self._api, data=c)
 
+    def limits(self):
+        return Limits(self._api, self._api.get(Limits.makeUrl(parent=self))
+
+    def callcharging(self):
+        return CallCharging(self._api, self._api.get(CallCharging.makeUrl(parent=self))
+
+    def permissions(self):
+        return Permissions(self._api, self._api.get(Permissions.makeUrl(parent=self))
+
     def create(self, parent=None, **kwargs):
         if parent:
             raise ValueError("Customer cannot have a parent")
@@ -378,45 +387,45 @@ class OutgoingCallerId(APIObject):
     TYPE = "outgoingcallerid"
 
 
-class CustomerAPIObject(APIObject):
-    MANDATORY_FIELDS = ()
-
-    def create(self, parent, **kwargs):
-        if self._data:
-            self._data.update(**kwargs)
-        else:
-            self._data = kwargs
-        for k in self.__class__.MANDATORY_FIELDS:
-            if k not in self._data:
-                raise ValueError('missing mandatory field "%s"' % k)
-        return self._create(parent=parent, data=self._data)
-
-
-class CreditStatus(CustomerAPIObject):
+class CreditStatus(APIObject):
     URLPART = "creditstatus"
     TYPE = "creditstatus"
 
 
-class CustomerPricing(CustomerAPIObject):
+class Pricing(APIObject):
     URLPART = "pricing"
     TYPE = "customerpricing"
 
 
-class Limits(CustomerAPIObject):
+class Limits(APIObject):
     URLPART = "limits"
     TYPE = "customerlimits"
 
 
-class CallCharging(CustomerAPIObject):
+class CallCharging(APIObject):
     URLPART = "callcharging"
     TYPE = "customercallcharging"
 
 
-class Permissions(CustomerAPIObject):
+class Permissions(APIObject):
     URLPART = "permissions"
     TYPE = "customerpermissions"
 
 
+class CustomerAPIObject(APIObject):
+    MANDATORY_FIELDS = ()
+
+    def create(self, parent, **kwargs):
+        if self._data:
+            self._data.update(**kwargs)
+        else:
+            self._data = kwargs
+        for k in self.__class__.MANDATORY_FIELDS:
+            if k not in self._data:
+                raise ValueError('missing mandatory field "%s"' % k)
+        return self._create(parent=parent, data=self._data)
+
+
 class LinkedUser(CustomerAPIObject):
     URLPART = "linkedusers"
     TYPE = "linkeduser"