diff --git a/README.md b/README.md
index 8236022..b235ff0 100644
--- a/README.md
+++ b/README.md
@@ -25,7 +25,7 @@ Does not make any call to the server.
 from deepomatic.api.client import Client
 
 # If you don't have your credentials, contact us at support@deepomatic.com
-client = Client(app_id, api_key)
+client = Client(app_id, api_key, user_agent_prefix='my-app/1.0.0')
 ```
 
 ### Client methods
diff --git a/demo.py b/demo.py
index 9b8f609..80bd644 100644
--- a/demo.py
+++ b/demo.py
@@ -8,6 +8,7 @@
 import hashlib
 import requests
 
+from deepomatic.api.version import __title__, __version__
 from deepomatic.api.client import Client
 from deepomatic.api.inputs import ImageInput
 
@@ -37,15 +38,16 @@ def demo(client=None):
     #########
 
     # You can create a client in two ways:
-    # i) explicitly: you pass your APP_ID and API_KEY by calling `client = Client(app_id, api_key)`
+    # i) explicitly: you pass your APP_ID and API_KEY by calling `client = Client(app_id, api_key, user_agent_prefix='my-app/1.0.0')`
     # ii) implicitly: you define environment variables `DEEPOMATIC_APP_ID` and `DEEPOMATIC_API_KEY`
-    #                 and just call `client = Client()`
+    #                 and just call `client = Client(user_agent_prefix='my-app/1.0.0')`
     #
+    # In both ways `user_agent_prefix` parameter is optional but recommended to identify your app to the API
     # Here we actually use a mix of those two methods to illustrate:
     if client is None:
         app_id = os.getenv('DEEPOMATIC_APP_ID')
         api_key = os.getenv('DEEPOMATIC_API_KEY')
-        client = Client(app_id, api_key)  # this would be equivalent to using `Client()` in this case.
+        client = Client(app_id, api_key, user_agent_prefix='{}-demo/{}'.format(__title__, __version__))
 
     ###################
     # Public networks #
@@ -352,6 +354,7 @@ def download_file(url):
         shutil.copyfileobj(r.raw, f)
     return filename
 
+
 def print_header(text):
     logger.info("**** {} ****".format(text))
 
diff --git a/tests/test_client.py b/tests/test_client.py
index 5ae30e8..86518cb 100644
--- a/tests/test_client.py
+++ b/tests/test_client.py
@@ -6,6 +6,7 @@
 import hashlib
 import shutil
 import requests
+from deepomatic.api.version import __title__, __version__
 from deepomatic.api.client import Client
 from deepomatic.api.inputs import ImageInput
 from pytest_voluptuous import S
@@ -42,7 +43,7 @@ def client():
     api_host = os.getenv('DEEPOMATIC_API_URL')
     app_id = os.environ['DEEPOMATIC_APP_ID']
     api_key = os.environ['DEEPOMATIC_API_KEY']
-    yield Client(app_id, api_key, host=api_host)
+    yield Client(app_id, api_key, host=api_host, user_agent_prefix='{}-tests/{}'.format(__title__, __version__))
 
 
 @pytest.fixture(scope='session')
@@ -141,7 +142,7 @@ class TestClient(object):
     def test_headers(self, client):
         http_helper = client.http_helper
         session_headers = http_helper.session.headers
-        assert session_headers['User-Agent'].startswith('deepomatic-api/')
+        assert session_headers['User-Agent'].startswith('{}-tests/{} {}/{}'.format(__title__, __version__, __title__, __version__))
         assert 'platform/' in session_headers['User-Agent']
         assert 'python/' in session_headers['User-Agent']
         assert session_headers['X-APP-ID']