diff --git a/.gitignore b/.gitignore
index 6d254ba..ff7c604 100644
--- a/.gitignore
+++ b/.gitignore
@@ -26,4 +26,6 @@ pip-log.txt
 #Mr Developer
 .mr.developer.cfg
 
-pipedrive/ve/
\ No newline at end of file
+pipedrive/ve/
+
+__pycache__
diff --git a/pipedrive/__init__.py b/pipedrive/__init__.py
index 87ab977..e528ba5 100644
--- a/pipedrive/__init__.py
+++ b/pipedrive/__init__.py
@@ -35,7 +35,7 @@ def _request(self, endpoint, data, method='POST'):
             response, data = self.http.request(uri, method=method, headers={'Content-Type': 'application/x-www-form-urlencoded'})
         else:
             uri = PIPEDRIVE_API_URL + endpoint + '?api_token=' + str(self.api_token)
-            response, data = self.http.request(uri, method=method, body=urlencode(data), headers={'Content-Type': 'application/x-www-form-urlencoded'})
+            response, data = self.http.request(uri, method=method, body=json.dumps(data), headers={'Content-Type': 'application/json'})
 
         logger.debug('sending {method} request to {uri}'.format(
             method=method,
@@ -64,8 +64,30 @@ def __init__(self, email, password=None):
 
     def __getattr__(self, name):
         def wrapper(data={}, method='GET'):
+
             response = self._request(name.replace('_', '/'), data, method)
-            if 'error' in response:
-                raise PipedriveError(response)
-            return response
+
+            def _generator():
+                if 'error' in response:
+                    raise PipedriveError(response)
+
+                additional_data = response.get('additional_data', {})
+                pagination_info = additional_data.get('pagination', {})
+
+                logger.debug('pagination_info: {}'.format(pagination_info))
+                if isinstance(response['data'], dict):
+                    yield response['data']
+                else:
+                    yield from response['data']
+
+                if pagination_info.get('more_items_in_collection', False):
+
+                    data.update({
+                        'start': pagination_info['next_start']
+                    })
+
+                    yield from wrapper(data, method)
+
+            return _generator()
+
         return wrapper
diff --git a/setup.py b/setup.py
index 078c85c..fb2f669 100644
--- a/setup.py
+++ b/setup.py
@@ -2,7 +2,7 @@
 
 setup(
     name='python-pipedrive',
-    version="0.4.0",
+    version="0.5.1",
     license="MIT",
 
     install_requires=[