diff --git a/facebookads/exceptions.py b/facebookads/exceptions.py
index 5489a12c..709d5465 100644
--- a/facebookads/exceptions.py
+++ b/facebookads/exceptions.py
@@ -88,9 +88,9 @@ def __init__(
         super(FacebookRequestError, self).__init__(
             "\n\n" +
             "  Message: %s\n" % self._message +
-            "  Method:  %s\n" % request['method'] +
-            "  Path:    %s\n" % request['path'] +
-            "  Params:  %s\n" % request['params'] +
+            "  Method:  %s\n" % request.get('method') +
+            "  Path:    %s\n" % request.get('path', '/') +
+            "  Params:  %s\n" % request.get('params') +
             "\n" +
             "  Status:  %s\n" % self._http_status +
             "  Response:\n    %s" % re.sub(
diff --git a/facebookads/objects.py b/facebookads/objects.py
index f1d58ca7..517454a2 100644
--- a/facebookads/objects.py
+++ b/facebookads/objects.py
@@ -1928,7 +1928,7 @@ def get_endpoint(cls):
         return 'customaudiences'
 
     @classmethod
-    def format_params(cls, schema, users, app_ids=None):
+    def format_params(cls, schema, users, app_ids=None, pre_hashed=None):
         hashed_users = []
         if schema in (cls.Schema.phone_hash, cls.Schema.email_hash):
             for user in users:
@@ -1936,7 +1936,10 @@ def format_params(cls, schema, users, app_ids=None):
                     user = user.strip(" \t\r\n\0\x0B.").lower()
                 if isinstance(user, six.text_type):
                     user = user.encode('utf8')  # required for hashlib
-                hashed_users.append(hashlib.sha256(user).hexdigest())
+                if pre_hashed:
+                    hashed_users.append(user)
+                else:
+                    hashed_users.append(hashlib.sha256(user).hexdigest())
 
         payload = {
             'schema': schema,
@@ -1955,7 +1958,7 @@ def format_params(cls, schema, users, app_ids=None):
             'payload': payload,
         }
 
-    def add_users(self, schema, users, app_ids=None):
+    def add_users(self, schema, users, app_ids=None, pre_hashed=None):
         """Adds users to this CustomAudience.
 
         Args:
@@ -1969,10 +1972,13 @@ def add_users(self, schema, users, app_ids=None):
         return self.get_api_assured().call(
             'POST',
             (self.get_id_assured(), 'users'),
-            params=CustomAudience.format_params(schema, users, app_ids),
+            params=CustomAudience.format_params(schema,
+                                                users,
+                                                app_ids,
+                                                pre_hashed),
         )
 
-    def remove_users(self, schema, users, app_ids=None):
+    def remove_users(self, schema, users, app_ids=None, pre_hashed=None):
         """Deletes users from this CustomAudience.
 
         Args:
@@ -1986,7 +1992,10 @@ def remove_users(self, schema, users, app_ids=None):
         return self.get_api_assured().call(
             'DELETE',
             (self.get_id_assured(), 'users'),
-            params=CustomAudience.format_params(schema, users, app_ids),
+            params=CustomAudience.format_params(schema,
+                                                users,
+                                                app_ids,
+                                                pre_hashed),
         )
 
     def share_audience(self, account_ids):
diff --git a/facebookads/test/integration.py b/facebookads/test/integration.py
index 760613a5..d28f7c9c 100644
--- a/facebookads/test/integration.py
+++ b/facebookads/test/integration.py
@@ -118,11 +118,12 @@ def new_test_ad_set(self, campaign):
             objects.AdSet.Field.pacing_type: [
                 objects.AdSet.PacingType.standard,
             ],
-            objects.AdSet.Field.daily_budget: 100,
-            objects.AdSet.Field.bid_type: objects.AdSet.BidType.cpc,
-            objects.AdSet.Field.bid_info: {
-                objects.AdSet.Field.BidInfo.clicks: 20,
-            },
+            objects.AdSet.Field.daily_budget: 2500,
+            objects.AdSet.Field.optimization_goal:
+            objects.AdSet.OptimizationGoal.impressions,
+            objects.AdSet.Field.billing_event:
+            objects.AdSet.BillingEvent.impressions,
+            objects.AdSet.Field.bid_amount: 500,
             objects.AdSet.Field.targeting: {
                 objects.TargetingSpecsField.geo_locations: {
                     'countries': [
@@ -354,7 +355,6 @@ def setUp(self):
             objects.AdAccount.Field.account_status,
             objects.AdAccount.Field.business_name,
             objects.AdAccount.Field.timezone_name,
-            objects.AdAccount.Field.daily_spend_limit,
         ])
 
     def tearDown(self):
@@ -460,7 +460,6 @@ def setUp(self):
             objects.AdSet.Field.daily_budget,
             objects.AdSet.Field.created_time,
             objects.AdSet.Field.campaign_group_id,
-            objects.AdSet.Field.bid_type,
             objects.AdSet.Field.name,
         ])
 
diff --git a/facebookads/test/test.png b/facebookads/test/test.png
new file mode 100755
index 00000000..9cd772cd
Binary files /dev/null and b/facebookads/test/test.png differ
diff --git a/facebookads/test/unit.py b/facebookads/test/unit.py
index 281e2797..1b4a34d9 100644
--- a/facebookads/test/unit.py
+++ b/facebookads/test/unit.py
@@ -66,6 +66,19 @@ def uid_payload():
             uid_payload,
         )
 
+    def test_format_params_pre_hashed(self):
+        # This is the value of "test" when it's hashed with sha256
+        test_hash = \
+            "9f86d081884c7d659a2feaa0c55ad015a3bf4f1b2b0b822cd15d6c15b0f00a08"
+        payload = objects.CustomAudience.format_params(
+            objects.CustomAudience.Schema.email_hash,
+            ["9f86d081884c7d659a2feaa0c55ad015a3bf4f1b2b0b822cd15d6c15b0f00a08"], 
+            pre_hashed=True
+        )
+
+        users = payload['payload']['data']
+        assert users[0] == test_hash
+
 
 class EdgeIteratorTestCase(unittest.TestCase):