diff --git a/paypayopa/resources/payment.py b/paypayopa/resources/payment.py
index 4aecc64..ad43583 100644
--- a/paypayopa/resources/payment.py
+++ b/paypayopa/resources/payment.py
@@ -10,7 +10,7 @@ def __init__(self, client=None):
         self.base_url = URL.PAYMENT
 
     def create(self, data={}, **kwargs):
-        url = "{}/{}".format(self.base_url, 'payments')
+        url = self.base_url
         if "requestedAt" not in data:
             data['requestedAt'] = int(datetime.datetime.now().timestamp())
         if "merchantPaymentId" not in data:
diff --git a/tests/test_create_payment.py b/tests/test_create_payment.py
index 268c3a6..629d960 100644
--- a/tests/test_create_payment.py
+++ b/tests/test_create_payment.py
@@ -8,7 +8,6 @@ class TestCreatePayment(ClientTestCase):
 
     def setUp(self):
         super(TestCreatePayment, self).setUp()
-        self.base_url = '{}/payments'.format(self.base_url)
 
     @responses.activate
     def test_create_payment(self):