diff --git a/tests/api/test_api_request_sender.py b/tests/api/test_api_request_sender.py
index 39e7941..d99d8e0 100644
--- a/tests/api/test_api_request_sender.py
+++ b/tests/api/test_api_request_sender.py
@@ -26,7 +26,6 @@ def test_set_webhook_sanity():
 	def post_request(endpoint, payload):
 		request = json.loads(payload)
 		assert endpoint == BOT_API_ENDPOINT.SET_WEBHOOK
-		assert request['auth_token'] == VIBER_BOT_CONFIGURATION.auth_token
 		assert request['event_types'] == webhook_events
 		assert request['url'] == url
 		return dict(status=0, event_types=webhook_events)
@@ -56,7 +55,6 @@ def test_post_request_success(monkeypatch):
 	def callback(endpoint, data, headers):
 		request = json.loads(data)
 		assert endpoint == VIBER_BOT_API_URL + "/" + BOT_API_ENDPOINT.GET_ACCOUNT_INFO
-		assert request['auth_token'] == VIBER_BOT_CONFIGURATION.auth_token
 		assert headers['User-Agent'] == VIBER_BOT_USER_AGENT
 		response = Stub()
 		response.raise_for_status = stub
@@ -124,7 +122,7 @@ def test_get_online_success(monkeypatch):
 	def callback(endpoint, data, headers):
 		request = json.loads(data)
 		assert endpoint == VIBER_BOT_API_URL + "/" + BOT_API_ENDPOINT.GET_ONLINE
-		assert request['auth_token'] == VIBER_BOT_CONFIGURATION.auth_token
+		assert headers['X-Viber-Auth-Token'] == VIBER_BOT_CONFIGURATION.auth_token
 		response = Stub()
 		response.raise_for_status = stub
 		response.text = "{\"status\": 0, \"status_message\": \"OK\", \"users\": []}"
@@ -141,7 +139,7 @@ def test_get_user_details_success(monkeypatch):
 	def callback(endpoint, data, headers):
 		request = json.loads(data)
 		assert endpoint == VIBER_BOT_API_URL + "/" + BOT_API_ENDPOINT.GET_USER_DETAILS
-		assert request['auth_token'] == VIBER_BOT_CONFIGURATION.auth_token
+		assert headers['X-Viber-Auth-Token'] == VIBER_BOT_CONFIGURATION.auth_token
 		response = Stub()
 		response.raise_for_status = stub
 		response.text = "{\"status\": 0, \"status_message\": \"OK\", \"user\": {}}"
diff --git a/viberbot/api/api_request_sender.py b/viberbot/api/api_request_sender.py
index db9884a..90c5f3a 100644
--- a/viberbot/api/api_request_sender.py
+++ b/viberbot/api/api_request_sender.py
@@ -14,7 +14,6 @@ def __init__(self, logger, viber_bot_api_url, bot_configuration, viber_bot_user_
 
 	def set_webhook(self, url, webhook_events=None, is_inline=False):
 		payload = {
-			'auth_token': self._bot_configuration.auth_token,
 			'url': url,
 			'is_inline': is_inline
 		}
@@ -34,18 +33,17 @@ def set_webhook(self, url, webhook_events=None, is_inline=False):
 		return result['event_types']
 
 	def get_account_info(self):
-		payload = {
-			'auth_token': self._bot_configuration.auth_token
-		}
 		return self.post_request(
 			endpoint=BOT_API_ENDPOINT.GET_ACCOUNT_INFO,
-			payload=json.dumps(payload))
+			payload=json.dumps(None)
+		)
 
 	def post_request(self, endpoint, payload):
 		try:
 			headers = requests.utils.default_headers()
 			headers.update({
-				'User-Agent': self._user_agent
+				'User-Agent': self._user_agent,
+				'X-Viber-Auth-Token': self._bot_configuration.auth_token
 			})
 			response = requests.post(self._viber_bot_api_url + '/' + endpoint, data=payload, headers=headers)
 			response.raise_for_status()
@@ -66,7 +64,6 @@ def get_online_status(self, ids=[]):
 			raise Exception(u"missing parameter ids, should be a list of viber memberIds")
 
 		payload = {
-			'auth_token': self._bot_configuration.auth_token,
 			'ids': ids
 		}
 		result = self.post_request(
@@ -83,7 +80,6 @@ def get_user_details(self, user_id):
 			raise Exception(u"missing parameter id")
 
 		payload = {
-			'auth_token': self._bot_configuration.auth_token,
 			'id': user_id
 		}
 		result = self.post_request(