diff --git a/tap_mambu/tap_generators/installments_generator.py b/tap_mambu/tap_generators/installments_generator.py
index e1ab1ca..a9810f3 100644
--- a/tap_mambu/tap_generators/installments_generator.py
+++ b/tap_mambu/tap_generators/installments_generator.py
@@ -1,18 +1,24 @@
 from .multithreaded_offset_generator import MultithreadedOffsetGenerator
-from datetime import datetime
+from ..helpers.datetime_utils import datetime_to_utc_str, str_to_localized_datetime, utc_now
 
 
 class InstallmentsGenerator(MultithreadedOffsetGenerator):
+    def __init__(self, stream_name, client, config, state, sub_type):
+        super(InstallmentsGenerator, self).__init__(stream_name, client, config, state, sub_type)
+        self.date_windowing = False
+
     def _init_endpoint_config(self):
         super(InstallmentsGenerator, self)._init_endpoint_config()
         self.endpoint_path = "installments"
         self.endpoint_api_method = "GET"
+        self.endpoint_params = {
+            "dueFrom": datetime_to_utc_str(str_to_localized_datetime(self.start_date))[:10],
+            "dueTo": datetime_to_utc_str(utc_now())[:10],
+            "detailsLevel": "FULL",
+            "paginationDetails": "OFF"
+        }
         self.endpoint_bookmark_field = "lastPaidDate"
 
-    def modify_request_params(self, start, end):
-        self.static_params["dueFrom"] = datetime.strftime(start, '%Y-%m-%d')
-        self.static_params["dueTo"] = datetime.strftime(end, '%Y-%m-%d')
-
     def transform_batch(self, batch):
         temp_batch = super(InstallmentsGenerator, self).transform_batch(batch)
         for record in temp_batch: