diff --git a/.gitignore b/.gitignore
index 02d0b6e..b283fc2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -60,3 +60,6 @@ target/
 #Ipython Notebook
 .ipynb_checkpoints
 env
+*.xml
+*.iml
+*.sqlite
diff --git a/forex_python/converter.py b/forex_python/converter.py
index bf465d0..8dfc3f1 100644
--- a/forex_python/converter.py
+++ b/forex_python/converter.py
@@ -2,6 +2,8 @@
 from decimal import Decimal
 import simplejson as json
 import requests
+import requests_cache
+requests_cache.install_cache('forex_rates', backend='redis', namespace='forex', expire_after=86400)
 
 
 class RatesNotAvailableError(Exception):
@@ -37,8 +39,10 @@ def _decode_rates(self, response, use_decimal=False, date_str=None):
             decoded_data = json.loads(response.text, use_decimal=True)
         else:
             decoded_data = response.json()
-        # if (date_str and date_str != 'latest' and date_str != decoded_data.get('date')):
-        #     raise RatesNotAvailableError("Currency Rates Source Not Ready")
+            
+        if (date_str and date_str != 'latest'
+                and date_str != decoded_data.get('date')):
+            raise RatesNotAvailableError("Currency Rates Source Not Ready")
         return decoded_data.get('rates', {})
 
     def _get_decoded_rate(
@@ -52,7 +56,7 @@ class CurrencyRates(Common):
 
     def get_rates(self, base_cur, date_obj=None):
         date_str = self._get_date_string(date_obj)
-        payload = {'base': base_cur, 'rtype': 'fpy'}
+        payload = {'base': base_cur}
         source_url = self._source_url() + date_str
         response = requests.get(source_url, params=payload)
         if response.status_code == 200:
@@ -66,7 +70,7 @@ def get_rate(self, base_cur, dest_cur, date_obj=None):
                 return Decimal(1)
             return 1.
         date_str = self._get_date_string(date_obj)
-        payload = {'base': base_cur, 'symbols': dest_cur, 'rtype': 'fpy'}
+        payload = {'base': base_cur, 'symbols': dest_cur}
         source_url = self._source_url() + date_str
         response = requests.get(source_url, params=payload)
         if response.status_code == 200:
@@ -89,7 +93,7 @@ def convert(self, base_cur, dest_cur, amount, date_obj=None):
             return float(amount)
 
         date_str = self._get_date_string(date_obj)
-        payload = {'base': base_cur, 'symbols': dest_cur, 'rtype': 'fpy'}
+        payload = {'base': base_cur, 'symbols': dest_cur}
         source_url = self._source_url() + date_str
         response = requests.get(source_url, params=payload)
         if response.status_code == 200:
@@ -103,6 +107,7 @@ def convert(self, base_cur, dest_cur, amount, date_obj=None):
                 return converted_amount
             except TypeError:
                 raise DecimalFloatMismatchError("convert requires amount parameter is of type Decimal when force_decimal=True")
+
         raise RatesNotAvailableError("Currency Rates Source Not Ready")
 
 
diff --git a/setup.py b/setup.py
index de66932..8762426 100644
--- a/setup.py
+++ b/setup.py
@@ -32,6 +32,7 @@
     install_requires=[
         'requests',
         'simplejson',
+        'requests_cache'
     ],
     classifiers=[
         'Intended Audience :: Developers',
diff --git a/tests/test.py b/tests/test.py
index 4add1db..909c8ad 100644
--- a/tests/test.py
+++ b/tests/test.py
@@ -1,5 +1,6 @@
 import datetime
 from decimal import Decimal
+import unittest
 from unittest import TestCase
 from forex_python.converter import (get_rates, get_rate, convert, get_symbol,
                                     get_currency_name, RatesNotAvailableError,
@@ -196,3 +197,7 @@ def test_with_valid_currency_code(self):
 
     def test_with_invalid_currency_code(self):
         self.assertFalse(get_currency_name('XYZ'))
+
+
+if __name__ == '__main__':
+    unittest.main()
\ No newline at end of file