diff --git a/Adyen/client.py b/Adyen/client.py
index 2146bc80..059b976a 100644
--- a/Adyen/client.py
+++ b/Adyen/client.py
@@ -87,8 +87,8 @@ def __init__(self, username=None, password=None, xapikey=None,
         self.skin_code = skin_code
         self.psp_list = []
         self.app_name = app_name
-        self.LIB_VERSION = "1.4.0"
-        self.USER_AGENT_SUFFIX = "adyen-python-api-library/"
+        self.LIB_VERSION = settings.LIB_VERSION
+        self.USER_AGENT_SUFFIX = settings.LIB_NAME + "/"
         self.http_init = False
         self.http_force = http_force
         self.live_endpoint_prefix = live_endpoint_prefix
@@ -282,7 +282,13 @@ def call_api(self, request_data, service, action, idempotency=False,
 
         if not message.get('merchantAccount'):
             message['merchantAccount'] = self.merchant_account
-
+        # Add application info
+        request_data['applicationInfo'] = {
+            "adyenLibrary": {
+                "name": settings.LIB_NAME,
+                "version": settings.LIB_VERSION
+            }
+        }
         # Adyen requires this header to be set and uses the combination of
         # merchant account and merchant reference to determine uniqueness.
         headers = {}
@@ -424,6 +430,12 @@ def call_checkout_api(self, request_data, action, **kwargs):
         if not request_data.get('merchantAccount'):
             request_data['merchantAccount'] = self.merchant_account
 
+        request_data['applicationInfo'] = {
+            "adyenLibrary": {
+                "name": settings.LIB_NAME,
+                "version": settings.LIB_VERSION
+            }
+        }
         # Adyen requires this header to be set and uses the combination of
         # merchant account and merchant reference to determine uniqueness.
         headers = {}
diff --git a/Adyen/settings.py b/Adyen/settings.py
index d11759ee..348c0639 100644
--- a/Adyen/settings.py
+++ b/Adyen/settings.py
@@ -4,8 +4,10 @@
 ENDPOINT_CHECKOUT_TEST = "https://checkout-test.adyen.com"
 ENDPOINT_CHECKOUT_LIVE_SUFFIX = "https://{}-checkout-live" \
                                 ".adyenpayments.com/checkout"
-API_CHECKOUT_VERSION = "v40"
+API_CHECKOUT_VERSION = "v41"
 API_CHECKOUT_UTILITY_VERSION = "v1"
 API_RECURRING_VERSION = "v25"
 API_PAYMENT_VERSION = "v40"
 API_PAYOUT_VERSION = "v30"
+LIB_VERSION = "2.0.0"
+LIB_NAME = "adyen-python-api-library"
diff --git a/README.md b/README.md
index 825f9f8b..7ae623a8 100644
--- a/README.md
+++ b/README.md
@@ -6,6 +6,16 @@
 This library simplifies working with Adyen APIs and allows you to integrate Adyen
 payments within any Python application.
 
+## Integration
+The Library supports all APIs under the following services:
+
+* checkout
+* checkout utility
+* payments
+* modifications
+* payouts
+* recurring
+
 ## Requirements
 
 - Python 2.7 or 3.6
@@ -35,9 +45,11 @@ ady.payment.client.app_name = "your app name"
 ```
 
 ## Documentation
+* https://docs.adyen.com/developers/development-resources/libraries
+* https://docs.adyen.com/developers/checkout/api-integration
 
-Follow the rest of our guides from the [documentation](http://adyen.github.io/adyen-python-api-library/index.html) on how to use this library.
+## Support
+If you have any problems, questions or suggestions, create an issue here or send your inquiry to support@adyen.com.
 
 ## Licence
-
 MIT license see LICENSE
diff --git a/setup.py b/setup.py
index 53adcc86..497abf52 100644
--- a/setup.py
+++ b/setup.py
@@ -3,7 +3,7 @@
 setup(
     name='Adyen',
     packages=['Adyen'],
-    version='1.4.0',
+    version='2.0.0',
     maintainer='Adyen',
     maintainer_email='support@adyen.com',
     description='Adyen Python Api',
diff --git a/test/DetermineEndpointTest.py b/test/DetermineEndpointTest.py
index 9652b7b5..dade9be9 100644
--- a/test/DetermineEndpointTest.py
+++ b/test/DetermineEndpointTest.py
@@ -17,14 +17,14 @@ def test_checkout_api_url_custom(self):
         url = self.adyen.client._determine_checkout_url("live", "payments")
         self.client.live_endpoint_prefix = "1797a841fbb37ca7-AdyenDemo"
         self.assertEqual(url, "https://1797a841fbb37ca7-AdyenDemo-checkout-"
-                              "live.adyenpayments.com/checkout/v40/payments")
+                              "live.adyenpayments.com/checkout/v41/payments")
 
     def test_checkout_api_url(self):
         self.client.live_endpoint_prefix = None
         url = self.adyen.client._determine_checkout_url("test",
                                                         "paymentsDetails")
         self.assertEqual(url, "https://checkout-test.adyen.com"
-                              "/v40/payments/details")
+                              "/v41/payments/details")
 
     def test_payments_invalid_platform(self):