diff --git a/oxrlib/loaders.py b/oxrlib/loaders.py
index 2a600ed36a010e9e3e8dbd62e342f9c50efeaff5..3203d3196755912d55545357f2d8dc419bd00f2d 100644
--- a/oxrlib/loaders.py
+++ b/oxrlib/loaders.py
@@ -20,6 +20,9 @@ class FileCache(cache.CacheBase):
     def open(self, path):
         return self.CacheFile(path)
 
+    def is_cache(self):
+        return True
+
 
 class OXRAPIRequest:
     DEFAULT_API_ROOT = 'https://openexchangerates.org/api/'
@@ -30,6 +33,9 @@ class OXRAPIRequest:
         self.app_id = app_id
         self.open_url = open_func
 
+    def is_cache(self):
+        return False
+
     def _get_response_encoding(self, response, default=None):
         try:
             content_type = response.getheader('Content-Type', 'application/json')
@@ -69,9 +75,11 @@ class OXRAPIRequest:
 class LoaderChain:
     def __init__(self):
         self.loaders = []
+        self.can_cache = False
 
     def add_loader(self, loader):
         self.loaders.append(loader)
+        self.can_cache = self.can_cache or loader.is_cache()
 
     def _wrap_load_method(orig_func):
         @functools.wraps(orig_func)
@@ -93,3 +101,6 @@ class LoaderChain:
     @_wrap_load_method
     def historical(self, date, base):
         pass
+
+    def should_cache(self):
+        return self.can_cache and self.used_loader and not self.used_loader.is_cache()