diff --git a/tests/test_endpoints_ads.py b/tests/test_endpoints_ads.py
index 3fa68ba..d85337a 100644
--- a/tests/test_endpoints_ads.py
+++ b/tests/test_endpoints_ads.py
@@ -13,6 +13,14 @@ from twython.api_ads import TwythonAds
 
 
 class TwythonEndpointsTestCase(unittest.TestCase):
+    TEST_CAMPAIGN = {
+        'name': 'Test Twitter campaign - Twython',
+        'funding_instrument_id': test_funding_instrument_id,
+        'start_time': datetime.datetime.utcnow().strftime('%Y-%m-%dT%H:%M:%SZ'),
+        'daily_budget_amount_local_micro': 10 * 1000000,
+        'paused': True
+    }
+
     def setUp(self):
 
         client_args = {
@@ -45,6 +53,10 @@ class TwythonEndpointsTestCase(unittest.TestCase):
         with self.assertRaises(TwythonError):
             self.api.get_account('1234')
 
+    def test_get_account_features(self):
+        account_features = self.api.get_account_features(test_account_id)
+        self.assertTrue(len(account_features) > 0)
+
     def test_get_funding_instruments(self):
         funding_instruments = self.api.get_funding_instruments(test_account_id)
         self.assertTrue(len(funding_instruments) > 0)
@@ -56,17 +68,38 @@ class TwythonEndpointsTestCase(unittest.TestCase):
         with self.assertRaises(TwythonError):
             self.api.get_funding_instrument('1234', '1234')
 
+    def test_get_iab_categories(self):
+        iab_categories = self.api.get_iab_categories()
+        self.assertTrue(len(iab_categories) > 0)
+
     def test_get_campaigns(self):
         campaigns = self.api.get_campaigns(test_account_id)
         self.assertTrue(len(campaigns) > 0)
 
-    def test_create_campaign(self):
-        new_campaign = {
-            'name': 'Test Twitter campaign - Twython',
-            'funding_instrument_id': test_funding_instrument_id,
-            'start_time': datetime.datetime.now().strftime('%Y-%m-%dT%H:%M:%SZ'),
-            'daily_budget_amount_local_micro': 10 * 1000000
-        }
-        campaign = self.api.create_campaign(test_account_id, **new_campaign)
+    def test_create_and_delete_campaign(self):
+        campaign = self.api.create_campaign(test_account_id, **self.TEST_CAMPAIGN)
+        campaign_id = campaign['id']
         self.assertEqual(campaign['account_id'], test_account_id)
-        self.assertIsNotNone(campaign['id'])
+        self.assertIsNotNone(campaign_id)
+        campaign_check = self.api.get_campaign(test_account_id, campaign_id)
+        self.assertEqual(campaign_check['id'], campaign_id)
+        is_deleted = self.api.delete_campaign(test_account_id, campaign_id)
+        self.assertTrue(is_deleted)
+
+    def test_create_line_item(self):
+        campaign = self.api.create_campaign(test_account_id, **self.TEST_CAMPAIGN)
+        campaign_id = campaign['id']
+        self.assertEqual(campaign['account_id'], test_account_id)
+        website_clicks_line_item = {
+            'bid_type': 'MAX',
+            'bid_amount_local_micro': 2000000,
+            'product_type': 'PROMOTED_TWEETS',
+            'placements': 'ALL_ON_TWITTER',
+            'objective': 'WEBSITE_CLICKS',
+            'paused': True
+        }
+        response = self.api.create_line_item(test_account_id, campaign_id, **website_clicks_line_item)
+        self.assertEqual(response['account_id'], test_account_id)
+        self.assertEqual(response['campaign_id'], campaign_id)
+        campaign_check = self.api.get_campaign(test_account_id, campaign_id)
+        self.assertTrue(True)
diff --git a/twython/api_ads.py b/twython/api_ads.py
index 00794f9..e0e5b8f 100644
--- a/twython/api_ads.py
+++ b/twython/api_ads.py
@@ -267,6 +267,10 @@ class TwythonAds(EndpointsAdsMixin, object):
         """Shortcut for POST requests via :class:`request`"""
         return self.request(endpoint, 'POST', params=params, version=version)
 
+    def delete(self, endpoint, params=None, version='0'):
+        """Shortcut for DELETE requests via :class:`request`"""
+        return self.request(endpoint, 'DELETE', params=params, version=version)
+
     def get_lastfunction_header(self, header, default_return_value=None):
         """Returns a specific header from the last API call
         This will return None if the header is not present
diff --git a/twython/endpoints_ads.py b/twython/endpoints_ads.py
index 65e3ee1..0c8060b 100644
--- a/twython/endpoints_ads.py
+++ b/twython/endpoints_ads.py
@@ -32,6 +32,10 @@ class EndpointsAdsMixin(object):
         response = self.get('accounts/%s' % account_id, params=params)
         return response['data']
 
+    def get_account_features(self, account_id, **params):
+        response = self.get('accounts/%s/features' % account_id, params=params)
+        return response['data']
+
     def get_funding_instruments(self, account_id, **params):
         response = self.get('accounts/%s/funding_instruments' % account_id, params=params)
         return response['data']
@@ -40,10 +44,28 @@ class EndpointsAdsMixin(object):
         response = self.get('accounts/%s/funding_instruments/%s' % (account_id, funding_instrument_id), params=params)
         return response['data']
 
+    def get_iab_categories(self, **params):
+        response = self.get('iab_categories', params=params)
+        return response['data']
+
     def get_campaigns(self, account_id, **params):
-        response = self.get('accounts/%s/campaigns' % account_id, params)
+        response = self.get('accounts/%s/campaigns' % account_id, params=params)
+        return response['data']
+
+    def get_campaign(self, account_id, campaign_id, **params):
+        response = self.get('accounts/%s/campaigns/%s' % (account_id, campaign_id), params=params)
         return response['data']
 
     def create_campaign(self, account_id, **params):
-        response = self.post('accounts/%s/campaigns' % account_id, params)
+        response = self.post('accounts/%s/campaigns' % account_id, params=params)
+        return response['data']
+
+    def delete_campaign(self, account_id, campaign_id):
+        response = self.delete('accounts/%s/campaigns/%s' % (account_id, campaign_id))
+        return response['data']['deleted']
+
+    def create_line_item(self, account_id, campaign_id, **params):
+        params_extended = params.copy()
+        params_extended['campaign_id'] = campaign_id
+        response = self.post('accounts/%s/line_items' % account_id, params=params_extended)
         return response['data']