diff --git a/ennstatus/api/model.py b/ennstatus/api/model.py
--- a/ennstatus/api/model.py
+++ b/ennstatus/api/model.py
@@ -24,10 +24,11 @@ from datetime import datetime
 
 import jsonschema
 import strict_rfc3339
-import requests
 
 from flask import current_app
 from pkg_resources import resource_filename
+from onion_py.manager import Manager
+from onion_py.caching import OnionSimpleCache
 
 from ..utils import check_ip
 
@@ -45,6 +46,8 @@ validate = functools.partial(
     format_checker=jsonschema.FormatChecker()
 )
 
+manager = Manager(OnionSimpleCache())
+
 
 def calculate_weight(data):
 
@@ -57,9 +60,9 @@ def calculate_weight(data):
         except KeyError:
             continue
 
-        factor = subdata['factor']
+        factor = subdata.factor
 
-        values = [x * factor for x in subdata['values'] if x is not None]
+        values = [x * factor for x in subdata.values if x is not None]
 
         if values:
             obj[subkey] = statistics.mean(values) * 100
@@ -224,29 +227,24 @@ class Server:
         if self.type not in ('exit', 'relay'):
             raise NotImplementedError
 
-        url = 'https://onionoo.torproject.org/weights?lookup={}'.format(
-            self.fingerprint
-        )
-
-        data = requests.get(url)
+        try:
+            data = manager.query('weights', lookup=self.fingerprint)
+        except:
+            raise NotImplementedError
 
-        try:
-            data.raise_for_status()
-        except requests.HTTPError as e:
-            raise e
-        else:
-            data = data.json()['relays'][0]
+        if data is not None:
+            data = data.relays[0]
 
-        self.mean_consensus_weight = calculate_weight(data['consensus_weight'])
-        self.mean_exit_probability = calculate_weight(data['exit_probability'])
+        self.mean_consensus_weight = calculate_weight(data.consensus_weight)
+        self.mean_exit_probability = calculate_weight(data.exit_probability)
         self.mean_guard_probability = calculate_weight(
-            data['guard_probability']
+            data.guard_probability
         )
         self.mean_middle_probability = calculate_weight(
-            data['middle_probability']
+            data.middle_probability
         )
         self.mean_consensus_weight_fraction = calculate_weight(
-            data['consensus_weight_fraction']
+            data.consensus_weight_fraction
         )
 
     def check_status(self):
diff --git a/ennstatus/api/views.py b/ennstatus/api/views.py
--- a/ennstatus/api/views.py
+++ b/ennstatus/api/views.py
@@ -26,7 +26,6 @@ from werkzeug.exceptions import BadReque
 
 import strict_rfc3339
 import pygeoip
-import requests
 
 from ennstatus import csrf
 from ennstatus.status.functions import (single_server, all_servers,
@@ -120,9 +119,6 @@ def update():
         server.update_weights()
     except NotImplementedError:
         pass
-    except requests.HTTPError as e:
-        current_app.logger.error(str(e), exc_info=True)
-        pass
 
     try:
         server.save()
diff --git a/requirements.in b/requirements.in
--- a/requirements.in
+++ b/requirements.in
@@ -9,6 +9,5 @@ Flask==0.10.1
 jsonschema==2.5.1
 pygeoip==0.3.2
 python-gnupg==0.3.7
-requests==2.7.0
 strict-rfc3339==0.5
 OnionPy