diff --git a/oxrlib/rate.py b/oxrlib/rate.py
new file mode 100644
index 0000000000000000000000000000000000000000..fbbc9cbae1615245537b422c93465e88d8cd694f
--- /dev/null
+++ b/oxrlib/rate.py
@@ -0,0 +1,47 @@
+import datetime
+import functools
+import json
+
+class Rate:
+    FIELDS = [
+        'base',
+        'disclaimer',
+        'license',
+        'rates',
+        'timestamp',
+    ]
+
+    @classmethod
+    def walk_fields(cls, get_field, transform_prefix):
+        for fieldname in cls.FIELDS:
+            value = get_field(fieldname)
+            if value is not None:
+                try:
+                    transformer = getattr(cls, '{}_{}'.format(transform_prefix, fieldname))
+                except AttributeError:
+                    pass
+                else:
+                    value = transformer(value)
+            yield (fieldname, value)
+
+    def __init__(self, base, rates, **kwargs):
+        for key, value in self.walk_fields(kwargs.get, 'deserialize'):
+            setattr(self, key, value)
+        self.base = base
+        self.rates = rates
+
+    @classmethod
+    def deserialize_timestamp(cls, value):
+        return datetime.datetime.fromtimestamp(value)
+
+    @classmethod
+    def serialize_timestamp(cls, value):
+        return int(value.timestamp())
+
+    @classmethod
+    def from_json_file(cls, json_file):
+        response = json.load(json_file)
+        return cls(**response)
+
+    def serialize(self):
+        return dict(self.walk_fields(functools.partial(getattr, self), 'serialize'))