diff --git a/tests/integration/conftest.py b/tests/integration/conftest.py
index 876970a..37c78ca 100644
--- a/tests/integration/conftest.py
+++ b/tests/integration/conftest.py
@@ -1,6 +1,8 @@
 import os
 import secrets
 import time
+import string
+import random
 from distutils.util import strtobool
 
 import pytest
@@ -11,7 +13,8 @@
 from threescale_api.resources import (Service, ApplicationPlan, Application,
                                       Proxy, Backend, Metric, MappingRule,
                                       BackendMappingRule, BackendUsage,
-                                      ActiveDoc, Webhooks, InvoiceState)
+                                      ActiveDoc, Webhooks, InvoiceState,
+                                      ApplicationKey)
 
 load_dotenv()
 
@@ -140,6 +143,19 @@ def application(account, application_plan, application_params) -> Application:
     cleanup(resource)
 
 
+@pytest.fixture(scope='module')
+def app_key_params(account, application):
+    value = ''.join(random.choices(string.ascii_uppercase + string.digits + '!"#$%&\'()*+,-./:;<=>?@[\\]^_`{|}~', k=100))
+    return({"application_id": application["id"], "account_id": account["id"], "key": value})
+
+
+@pytest.fixture(scope='module')
+def app_key(application, app_key_params) -> ApplicationKey:
+    resource = application.keys.create(params=app_key_params)
+    yield resource
+    cleanup(resource)
+
+
 @pytest.fixture(scope='module')
 def proxy(service, application, api_backend) -> Proxy:
     params = {
diff --git a/tests/integration/test_integration_application.py b/tests/integration/test_integration_application.py
index 2195131..24102c3 100644
--- a/tests/integration/test_integration_application.py
+++ b/tests/integration/test_integration_application.py
@@ -25,3 +25,13 @@ def test_application_update(application, update_application_params):
     updated_application = application.update(params=update_application_params)
     asserts.assert_resource(updated_application)
     asserts.assert_resource_params(updated_application, update_application_params)
+
+
+def test_application_key_can_be_created(app_key, app_key_params):
+    asserts.assert_resource(app_key)
+    asserts.assert_resource_params(app_key, app_key_params)
+
+
+def test_application_key_list(application, app_key):
+    keys = application.keys.list()
+    assert len(keys) > 0
diff --git a/threescale_api/auth.py b/threescale_api/auth.py
index 39d62ce..86425d3 100644
--- a/threescale_api/auth.py
+++ b/threescale_api/auth.py
@@ -57,7 +57,7 @@ def __init__(self, app, location=None):
         proxy = self.app.service.proxy.list()
         self.credentials = {
             proxy["auth_app_id"]: self.app["application_id"],
-            proxy["auth_app_key"]: self.app.keys.list()["keys"][0]["key"]["value"]
+            proxy["auth_app_key"]: self.app.keys.list()[-1]["value"]
         }
 
     def __call__(self, request):
diff --git a/threescale_api/resources.py b/threescale_api/resources.py
index 9c1838c..8f19e8d 100644
--- a/threescale_api/resources.py
+++ b/threescale_api/resources.py
@@ -1,6 +1,7 @@
 import logging
 from enum import Enum
 from typing import Dict, Union, List, Iterable
+from urllib.parse import quote_plus
 
 from threescale_api import auth
 from threescale_api import utils
@@ -316,7 +317,7 @@ def url(self) -> str:
 
 
 class ApplicationKeys(DefaultClient):
-    def __init__(self, *args, entity_name='application', entity_collection='applications',
+    def __init__(self, *args, entity_name='key', entity_collection='keys',
                  **kwargs):
         super().__init__(*args, entity_name=entity_name,
                          entity_collection=entity_collection, **kwargs)
@@ -325,6 +326,30 @@ def __init__(self, *args, entity_name='application', entity_collection='applicat
     def url(self) -> str:
         return self.parent.url + '/keys'
 
+    def create(self, params: dict = None, **kwargs) -> 'ApplicationKey':
+        """Create a new instance of ApplicationKey. "keys" POST request
+        returns Application instead of newly create key.
+        Returns: Newly created key.
+
+        """
+        super().create(params=params, **kwargs)
+        key = sorted(self.list(), key=lambda key: key["created_at"])[-1]
+        key.entity_id = quote_plus(key["value"])
+        return key
+
+    def list(self, **kwargs) -> List['ApplicationKey']:
+        """List all entities of ApplicationKey.
+        There is no id in list response, so it needs to be assigned the value
+        to be able to work with key instance.
+        Args:
+            **kwargs: Optional parameters
+        Returns(List['ApplicationKey']): List of ApplicationKey resources
+        """
+        key_list = super().list(**kwargs)
+        for key in key_list:
+            key.entity_id = quote_plus(key["value"])
+        return key_list
+
 
 class Providers(DefaultClient):
     def __init__(self, *args, entity_name='user', entity_collection='users', **kwargs):
@@ -1320,7 +1345,7 @@ def service(self) -> 'Service':
     @property
     def keys(self):
         "Application keys"
-        return ApplicationKeys(parent=self, instance_klass=DefaultResource)
+        return ApplicationKeys(parent=self, instance_klass=ApplicationKey)
 
     def authobj(self, auth_mode=None, location=None):
         """Returns subclass of requests.auth.BaseAuth to provide authentication
@@ -1396,6 +1421,11 @@ def test_request(self, relpath=None, verify: bool = None):
         return client.get(relpath)
 
 
+class ApplicationKey(DefaultResource):
+    def __init__(self, entity_name='', **kwargs):
+        super().__init__(entity_name=entity_name, **kwargs)
+
+
 class Account(DefaultResource):
     def __init__(self, entity_name='org_name', **kwargs):
         super().__init__(entity_name=entity_name, **kwargs)