diff --git a/.github/workflows/pythonapp.yml b/.github/workflows/pythonapp.yml
index aa7f418..fbcc6ae 100644
--- a/.github/workflows/pythonapp.yml
+++ b/.github/workflows/pythonapp.yml
@@ -20,8 +20,8 @@ jobs:
         python -m pip install -r tests/requirements.txt
     - name: Test with pytest
       env:
-        appSid: ${{secrets.appSid}}
-        appKey: ${{secrets.appKey}}
+        clientId: ${{secrets.appSid}}
+        clientSecret: ${{secrets.appKey}}
         apiBaseUrl: "https://api-qa.aspose.cloud"
       run: |
         python -m pytest --verbose --color=yes -m pipeline tests
diff --git a/.github/workflows/pythonpublish.yml b/.github/workflows/pythonpublish.yml
index 20943e2..62f4cc3 100644
--- a/.github/workflows/pythonpublish.yml
+++ b/.github/workflows/pythonpublish.yml
@@ -21,8 +21,8 @@ jobs:
         pip install -r tests/requirements.txt
     - name : Run Tests
       env:
-        appSid: ${{secrets.appSidProd}}
-        appKey: ${{secrets.appKeyProd}}
+        clientId: ${{secrets.appSidProd}}
+        clientSecret: ${{secrets.appKeyProd}}
         apiBaseUrl: "https://api.aspose.cloud"
       run: |
         python -m pytest -m pipeline tests
diff --git a/.gitignore b/.gitignore
index d87a49c..aa9f37d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -69,4 +69,5 @@ target/
 .idea/
 .vscode/
 .pytest_cache/
-.venv/
\ No newline at end of file
+.venv/
+.run/
\ No newline at end of file
diff --git a/README.md b/README.md
index 4216ca3..277735d 100644
--- a/README.md
+++ b/README.md
@@ -22,16 +22,15 @@ Aspose.Email Cloud is a REST API for creating email applications that work with
 - Email configuration discovery.
 - Disposable email address detection.
 
-## New features in version 20.10
+## What's new in version 20.12
 
-Aspose.Email Cloud 20.10.0 comes with SDK improvements:
+Aspose.Email Cloud 20.12.0 comes with SDK breaking changes:
+- AppKey renamed to ClientSecret. 
+- AppSID renamed to ClientId.
 
-- Typescript, PHP, Java SDKs now have model builders to simplify their initialization.
-- All SDK methods now have code examples with parameters initialization.
-- Some models now have initialization examples for all SDKs.
-- SDK reference documentation with examples now available at url [docs.aspose.cloud/email/reference-api](https://docs.aspose.cloud/email/reference-api/) 
+Some [SDK reference documentation](https://docs.aspose.cloud/email/reference-api/) improvements were made.
 
-See [Release notes](https://docs.aspose.cloud/email/aspose-email-cloud-20-10-release-notes/).
+See [Release notes](https://docs.aspose.cloud/email/aspose-email-cloud-20-12-release-notes/).
 
 ## How to use the SDK?
 The complete source code is available in the [GIT repository](https://github.com/aspose-email-cloud/aspose-email-cloud-python/tree/master/sdk/AsposeEmailCloudSdk).
@@ -40,7 +39,7 @@ Use [SDK tutorials](https://docs.aspose.cloud/email/sdk-tutorials/) and [SDK ref
 
 ### Prerequisites
 
-To use this SDK, you need an App SID and an App Key; they can be looked up at [Aspose Cloud Dashboard](https://dashboard.aspose.cloud/#/apps) (it requires free registration in Aspose Cloud for this).
+To use this SDK, you need a Client id and a Client secret; they can be looked up at [Aspose Cloud Dashboard](https://dashboard.aspose.cloud/#/apps) (it requires free registration in Aspose Cloud for this).
 
 ### Installation
 
@@ -58,9 +57,10 @@ from AsposeEmailCloudSdk import api #EmailApi class is here
 from AsposeEmailCloudSdk import models #REST API models are here
 
 #...
-app_sid = 'Your App SID'
-app_key = 'Your App Key'
-email_cloud = api.EmailCloud(app_key, app_sid)
+client_secret = 'Your Client secret'
+client_id = 'Your Client id'
+
+email_cloud = api.EmailCloud(client_secret, client_id)
 ```
 
 #### Business cards recognition API
diff --git a/sdk/AsposeEmailCloudSdk/api/api_base.py b/sdk/AsposeEmailCloudSdk/api/api_base.py
index b10eddf..22bea0d 100644
--- a/sdk/AsposeEmailCloudSdk/api/api_base.py
+++ b/sdk/AsposeEmailCloudSdk/api/api_base.py
@@ -84,8 +84,8 @@ def call_api():
     def _request_token(self):
         config = self.api_client.configuration
         request_url = "/connect/token"
-        form_params = [('grant_type', 'client_credentials'), ('client_id', config.api_key['app_sid']),
-                       ('client_secret', config.api_key['api_key'])]
+        form_params = [('grant_type', 'client_credentials'), ('client_id', config.api_key['client_id']),
+                       ('client_secret', config.api_key['client_secret'])]
 
         header_params = {'Accept': 'application/json', 'Content-Type': 'application/x-www-form-urlencoded'}
 
diff --git a/sdk/AsposeEmailCloudSdk/api/email_api.py b/sdk/AsposeEmailCloudSdk/api/email_api.py
index fabb198..24d4a47 100644
--- a/sdk/AsposeEmailCloudSdk/api/email_api.py
+++ b/sdk/AsposeEmailCloudSdk/api/email_api.py
@@ -40,7 +40,7 @@ def __init__(self, api_client):
         super(EmailApi, self).__init__(api_client)
 
     def as_file(self, request: EmailAsFileRequest) -> str:
-        """Converts Email model to specified format and returns as file.             
+        """Converts Email model to a specified format and returns as a file.             
 
         :param request: Email model and format to convert.
         :type request: EmailAsFileRequest
diff --git a/sdk/AsposeEmailCloudSdk/api/email_cloud.py b/sdk/AsposeEmailCloudSdk/api/email_cloud.py
index 767ce45..24670ae 100644
--- a/sdk/AsposeEmailCloudSdk/api/email_cloud.py
+++ b/sdk/AsposeEmailCloudSdk/api/email_cloud.py
@@ -35,15 +35,15 @@ class EmailCloud(object):
     Aspose.Email Cloud API.
     """
 
-    def __init__(self, app_key=None, app_sid=None, base_url=None,
+    def __init__(self, client_secret=None, client_id=None, base_url=None,
                  api_version=None, debug=False):
         """
         Initializes a new instance of the EmailCloud class.
 
-        :param app_key: The app key.
-        :type app_key: str
-        :param app_sid: The app sid.
-        :type app_sid: str
+        :param client_secret: The client secret.
+        :type client_secret: str
+        :param client_id: The client id.
+        :type client_id: str
         :param base_url: The base URL.
         :type base_url: str
         :param api_version: API version.
@@ -51,8 +51,8 @@ def __init__(self, app_key=None, app_sid=None, base_url=None,
         :param debug: If debug mode is enabled. False by default.
         :type debug: bool
         """
-        configuration = Configuration(app_key=app_key,
-                                      app_sid=app_sid,
+        configuration = Configuration(client_secret=client_secret,
+                                      client_id=client_id,
                                       base_url=base_url,
                                       api_version=api_version,
                                       debug=debug)
@@ -106,7 +106,7 @@ def email(self) -> EmailApi:
     @property
     def disposable_email(self) -> DisposableEmailApi:
         """
-        Check email address is disposable operations
+        Checks if an email is a disposable one
         """
         return self._disposable_email
     
diff --git a/sdk/AsposeEmailCloudSdk/configuration.py b/sdk/AsposeEmailCloudSdk/configuration.py
index 94e2d5d..677373b 100644
--- a/sdk/AsposeEmailCloudSdk/configuration.py
+++ b/sdk/AsposeEmailCloudSdk/configuration.py
@@ -43,7 +43,7 @@ class Configuration(object):
 
     default_api_version = 'v4.0'
 
-    def __init__(self, app_key=None, app_sid=None, base_url=None,
+    def __init__(self, client_secret=None, client_id=None, base_url=None,
                  api_version=None, debug=False):
         """Constructor"""
         # Base url
@@ -72,8 +72,8 @@ def __init__(self, app_key=None, app_sid=None, base_url=None,
 
         # Authentication Settings
         # dict to store API key(s)
-        self.api_key = {'api_key': app_key if app_key else "",
-                        'app_sid': app_sid if app_sid else ""}
+        self.api_key = {'client_secret': client_secret if client_secret else "",
+                        'client_id': client_id if client_id else ""}
         # dict to store API prefix (e.g. Bearer)
         self.api_key_prefix = {}
 
@@ -101,7 +101,7 @@ def __init__(self, app_key=None, app_sid=None, base_url=None,
         self.__debug = debug
 
         # On-premise switch
-        self.on_premise = not (app_key or app_sid) and base_url
+        self.on_premise = not (client_secret or client_id) and base_url
 
         # SSL/TLS verification
         # Set this to false to skip verifying SSL certificate when calling API
diff --git a/sdk/docs/AiBcrApi.md b/sdk/docs/AiBcrApi.md
index ee5cc8e..cf75e12 100644
--- a/sdk/docs/AiBcrApi.md
+++ b/sdk/docs/AiBcrApi.md
@@ -84,7 +84,7 @@ result = models.ContactList(
     <summary>Method call example:</summary>
 
 ```python
-api = EmailCloud(app_key, app_sid)
+api = EmailCloud(client_secret, client_id)
 
 // Prepare parameters:
 request = models.AiBcrParseRequest(
@@ -196,7 +196,7 @@ result = models.StorageFileLocationList(
     <summary>Method call example:</summary>
 
 ```python
-api = EmailCloud(app_key, app_sid)
+api = EmailCloud(client_secret, client_id)
 
 // Prepare parameters:
 request = models.AiBcrParseStorageRequest(
diff --git a/sdk/docs/AiNameApi.md b/sdk/docs/AiNameApi.md
index 2b358e7..c6ff65f 100644
--- a/sdk/docs/AiNameApi.md
+++ b/sdk/docs/AiNameApi.md
@@ -57,7 +57,7 @@ result = models.AiNameWeightedVariants(
     <summary>Method call example:</summary>
 
 ```python
-api = EmailCloud(app_key, app_sid)
+api = EmailCloud(client_secret, client_id)
 
 // Prepare parameters:
 request = models.AiNameCompleteRequest(
@@ -135,7 +135,7 @@ result = models.AiNameWeightedVariants(
     <summary>Method call example:</summary>
 
 ```python
-api = EmailCloud(app_key, app_sid)
+api = EmailCloud(client_secret, client_id)
 
 // Prepare parameters:
 request = models.AiNameExpandRequest(
@@ -229,7 +229,7 @@ result = models.AiNameWeightedVariants(
     <summary>Method call example:</summary>
 
 ```python
-api = EmailCloud(app_key, app_sid)
+api = EmailCloud(client_secret, client_id)
 
 // Prepare parameters:
 request = models.AiNameParsedRequest(
@@ -319,7 +319,7 @@ result = models.AiNameFormatted(
     <summary>Method call example:</summary>
 
 ```python
-api = EmailCloud(app_key, app_sid)
+api = EmailCloud(client_secret, client_id)
 
 // Prepare parameters:
 request = models.AiNameFormatRequest(
@@ -404,7 +404,7 @@ result = models.AiNameFormatted(
     <summary>Method call example:</summary>
 
 ```python
-api = EmailCloud(app_key, app_sid)
+api = EmailCloud(client_secret, client_id)
 
 // Prepare parameters:
 request = models.AiNameParsedRequest(
@@ -486,7 +486,7 @@ result =
     <summary>Method call example:</summary>
 
 ```python
-api = EmailCloud(app_key, app_sid)
+api = EmailCloud(client_secret, client_id)
 
 // Prepare parameters:
 request = models.AiNameGenderizeRequest(
@@ -566,7 +566,7 @@ result =
     <summary>Method call example:</summary>
 
 ```python
-api = EmailCloud(app_key, app_sid)
+api = EmailCloud(client_secret, client_id)
 
 // Prepare parameters:
 request = models.AiNameParsedRequest(
@@ -652,7 +652,7 @@ result = models.AiNameMatchResult(
     <summary>Method call example:</summary>
 
 ```python
-api = EmailCloud(app_key, app_sid)
+api = EmailCloud(client_secret, client_id)
 
 // Prepare parameters:
 request = models.AiNameMatchRequest(
@@ -760,7 +760,7 @@ result = models.AiNameMatchResult(
     <summary>Method call example:</summary>
 
 ```python
-api = EmailCloud(app_key, app_sid)
+api = EmailCloud(client_secret, client_id)
 
 // Prepare parameters:
 request = models.AiNameMatchParsedRequest(
@@ -881,7 +881,7 @@ result = models.AiNameComponentList(
     <summary>Method call example:</summary>
 
 ```python
-api = EmailCloud(app_key, app_sid)
+api = EmailCloud(client_secret, client_id)
 
 // Prepare parameters:
 request = models.AiNameParseRequest(
@@ -964,7 +964,7 @@ result =
     <summary>Method call example:</summary>
 
 ```python
-api = EmailCloud(app_key, app_sid)
+api = EmailCloud(client_secret, client_id)
 
 // Prepare parameters:
 request = models.AiNameParseEmailAddressRequest(
diff --git a/sdk/docs/CalendarApi.md b/sdk/docs/CalendarApi.md
index 8273dde..76d6109 100644
--- a/sdk/docs/CalendarApi.md
+++ b/sdk/docs/CalendarApi.md
@@ -84,7 +84,7 @@ result = models.AlternateView(
     <summary>Method call example:</summary>
 
 ```python
-api = EmailCloud(app_key, app_sid)
+api = EmailCloud(client_secret, client_id)
 
 // Prepare parameters:
 request = models.CalendarAsAlternateRequest(
@@ -191,7 +191,7 @@ Return type: **Stream**
     <summary>Method call example:</summary>
 
 ```python
-api = EmailCloud(app_key, app_sid)
+api = EmailCloud(client_secret, client_id)
 
 // Prepare parameters:
 request = models.CalendarAsFileRequest(
@@ -312,7 +312,7 @@ result = models.MapiCalendarDto(
     <summary>Method call example:</summary>
 
 ```python
-api = EmailCloud(app_key, app_sid)
+api = EmailCloud(client_secret, client_id)
 
 // Prepare parameters:
 calendar_dto = models.CalendarDto(
@@ -412,7 +412,7 @@ Return type: **Stream**
     <summary>Method call example:</summary>
 
 ```python
-api = EmailCloud(app_key, app_sid)
+api = EmailCloud(client_secret, client_id)
 
 // Prepare parameters:
 request = models.CalendarConvertRequest(
@@ -491,7 +491,7 @@ result = models.CalendarDto(
     <summary>Method call example:</summary>
 
 ```python
-api = EmailCloud(app_key, app_sid)
+api = EmailCloud(client_secret, client_id)
 
 // Prepare parameters:
 request = models.CalendarFromFileRequest(
@@ -591,7 +591,7 @@ result = models.CalendarDto(
     <summary>Method call example:</summary>
 
 ```python
-api = EmailCloud(app_key, app_sid)
+api = EmailCloud(client_secret, client_id)
 
 // Prepare parameters:
 request = models.CalendarGetRequest(
@@ -693,7 +693,7 @@ result = models.AlternateView(
     <summary>Method call example:</summary>
 
 ```python
-api = EmailCloud(app_key, app_sid)
+api = EmailCloud(client_secret, client_id)
 
 // Prepare parameters:
 request = models.CalendarGetAsAlternateRequest(
@@ -771,7 +771,7 @@ Return type: **Stream**
     <summary>Method call example:</summary>
 
 ```python
-api = EmailCloud(app_key, app_sid)
+api = EmailCloud(client_secret, client_id)
 
 // Prepare parameters:
 request = models.CalendarGetAsFileRequest(
@@ -862,7 +862,7 @@ result = models.CalendarStorageList(
     <summary>Method call example:</summary>
 
 ```python
-api = EmailCloud(app_key, app_sid)
+api = EmailCloud(client_secret, client_id)
 
 // Prepare parameters:
 request = models.CalendarGetListRequest(
@@ -962,7 +962,7 @@ Return type: void (empty response body)
     <summary>Method call example:</summary>
 
 ```python
-api = EmailCloud(app_key, app_sid)
+api = EmailCloud(client_secret, client_id)
 
 // Prepare parameters:
 request = models.CalendarSaveRequest(
diff --git a/sdk/docs/ClientAccountApi.md b/sdk/docs/ClientAccountApi.md
index effbe0c..b0fe773 100644
--- a/sdk/docs/ClientAccountApi.md
+++ b/sdk/docs/ClientAccountApi.md
@@ -61,7 +61,7 @@ result = models.EmailClientAccount(
     <summary>Method call example:</summary>
 
 ```python
-api = EmailCloud(app_key, app_sid)
+api = EmailCloud(client_secret, client_id)
 
 // Prepare parameters:
 request = models.ClientAccountGetRequest(
@@ -163,7 +163,7 @@ result = models.EmailClientMultiAccount(
     <summary>Method call example:</summary>
 
 ```python
-api = EmailCloud(app_key, app_sid)
+api = EmailCloud(client_secret, client_id)
 
 // Prepare parameters:
 request = models.ClientAccountGetMultiRequest(
@@ -255,7 +255,7 @@ Return type: void (empty response body)
     <summary>Method call example:</summary>
 
 ```python
-api = EmailCloud(app_key, app_sid)
+api = EmailCloud(client_secret, client_id)
 
 // Prepare parameters:
 request = models.ClientAccountSaveRequest(
@@ -346,7 +346,7 @@ Return type: void (empty response body)
     <summary>Method call example:</summary>
 
 ```python
-api = EmailCloud(app_key, app_sid)
+api = EmailCloud(client_secret, client_id)
 
 // Prepare parameters:
 request = models.ClientAccountSaveMultiRequest(
diff --git a/sdk/docs/ClientFolderApi.md b/sdk/docs/ClientFolderApi.md
index 9017b13..591ddcd 100644
--- a/sdk/docs/ClientFolderApi.md
+++ b/sdk/docs/ClientFolderApi.md
@@ -43,7 +43,7 @@ Return type: void (empty response body)
     <summary>Method call example:</summary>
 
 ```python
-api = EmailCloud(app_key, app_sid)
+api = EmailCloud(client_secret, client_id)
 
 // Prepare parameters:
 request = models.ClientFolderCreateRequest(
@@ -101,7 +101,7 @@ Return type: void (empty response body)
     <summary>Method call example:</summary>
 
 ```python
-api = EmailCloud(app_key, app_sid)
+api = EmailCloud(client_secret, client_id)
 
 // Prepare parameters:
 request = models.ClientFolderDeleteRequest(
@@ -169,7 +169,7 @@ result =
     <summary>Method call example:</summary>
 
 ```python
-api = EmailCloud(app_key, app_sid)
+api = EmailCloud(client_secret, client_id)
 
 // Prepare parameters:
 request = models.ClientFolderGetListRequest(
diff --git a/sdk/docs/ClientMessageApi.md b/sdk/docs/ClientMessageApi.md
index 371eafa..eb8662e 100644
--- a/sdk/docs/ClientMessageApi.md
+++ b/sdk/docs/ClientMessageApi.md
@@ -77,7 +77,7 @@ result =
     <summary>Method call example:</summary>
 
 ```python
-api = EmailCloud(app_key, app_sid)
+api = EmailCloud(client_secret, client_id)
 
 // Prepare parameters:
 request = models.ClientMessageAppendRequest(
@@ -173,7 +173,7 @@ result =
     <summary>Method call example:</summary>
 
 ```python
-api = EmailCloud(app_key, app_sid)
+api = EmailCloud(client_secret, client_id)
 
 // Prepare parameters:
 request = models.ClientMessageAppendFileRequest(
@@ -235,7 +235,7 @@ Return type: void (empty response body)
     <summary>Method call example:</summary>
 
 ```python
-api = EmailCloud(app_key, app_sid)
+api = EmailCloud(client_secret, client_id)
 
 // Prepare parameters:
 request = models.ClientMessageDeleteRequest(
@@ -308,7 +308,7 @@ result = models.MailMessageBase(
     <summary>Method call example:</summary>
 
 ```python
-api = EmailCloud(app_key, app_sid)
+api = EmailCloud(client_secret, client_id)
 
 // Prepare parameters:
 request = models.ClientMessageFetchRequest(
@@ -376,7 +376,7 @@ Return type: **Stream**
     <summary>Method call example:</summary>
 
 ```python
-api = EmailCloud(app_key, app_sid)
+api = EmailCloud(client_secret, client_id)
 
 // Prepare parameters:
 request = models.ClientMessageFetchFileRequest(
@@ -451,7 +451,7 @@ result =
     <summary>Method call example:</summary>
 
 ```python
-api = EmailCloud(app_key, app_sid)
+api = EmailCloud(client_secret, client_id)
 
 // Prepare parameters:
 request = models.ClientMessageListRequest(
@@ -516,7 +516,7 @@ Return type: void (empty response body)
     <summary>Method call example:</summary>
 
 ```python
-api = EmailCloud(app_key, app_sid)
+api = EmailCloud(client_secret, client_id)
 
 // Prepare parameters:
 request = models.ClientMessageMoveRequest(
@@ -596,7 +596,7 @@ Return type: void (empty response body)
     <summary>Method call example:</summary>
 
 ```python
-api = EmailCloud(app_key, app_sid)
+api = EmailCloud(client_secret, client_id)
 
 // Prepare parameters:
 request = models.ClientMessageSendRequest(
@@ -674,7 +674,7 @@ Return type: void (empty response body)
     <summary>Method call example:</summary>
 
 ```python
-api = EmailCloud(app_key, app_sid)
+api = EmailCloud(client_secret, client_id)
 
 // Prepare parameters:
 request = models.ClientMessageSendFileRequest(
@@ -732,7 +732,7 @@ Return type: void (empty response body)
     <summary>Method call example:</summary>
 
 ```python
-api = EmailCloud(app_key, app_sid)
+api = EmailCloud(client_secret, client_id)
 
 // Prepare parameters:
 request = models.ClientMessageSetIsReadRequest(
diff --git a/sdk/docs/ClientThreadApi.md b/sdk/docs/ClientThreadApi.md
index 4eaeabb..6f3ba20 100644
--- a/sdk/docs/ClientThreadApi.md
+++ b/sdk/docs/ClientThreadApi.md
@@ -43,7 +43,7 @@ Return type: void (empty response body)
     <summary>Method call example:</summary>
 
 ```python
-api = EmailCloud(app_key, app_sid)
+api = EmailCloud(client_secret, client_id)
 
 // Prepare parameters:
 request = models.ClientThreadDeleteRequest(
@@ -135,7 +135,7 @@ result = models.EmailThreadList(
     <summary>Method call example:</summary>
 
 ```python
-api = EmailCloud(app_key, app_sid)
+api = EmailCloud(client_secret, client_id)
 
 // Prepare parameters:
 request = models.ClientThreadGetListRequest(
@@ -229,7 +229,7 @@ result =
     <summary>Method call example:</summary>
 
 ```python
-api = EmailCloud(app_key, app_sid)
+api = EmailCloud(client_secret, client_id)
 
 // Prepare parameters:
 request = models.ClientThreadGetMessagesRequest(
@@ -290,7 +290,7 @@ Return type: void (empty response body)
     <summary>Method call example:</summary>
 
 ```python
-api = EmailCloud(app_key, app_sid)
+api = EmailCloud(client_secret, client_id)
 
 // Prepare parameters:
 request = models.ClientThreadMoveRequest(
@@ -350,7 +350,7 @@ Return type: void (empty response body)
     <summary>Method call example:</summary>
 
 ```python
-api = EmailCloud(app_key, app_sid)
+api = EmailCloud(client_secret, client_id)
 
 // Prepare parameters:
 request = models.ClientThreadSetIsReadRequest(
diff --git a/sdk/docs/ContactApi.md b/sdk/docs/ContactApi.md
index 8944192..a570faa 100644
--- a/sdk/docs/ContactApi.md
+++ b/sdk/docs/ContactApi.md
@@ -71,7 +71,7 @@ Return type: **Stream**
     <summary>Method call example:</summary>
 
 ```python
-api = EmailCloud(app_key, app_sid)
+api = EmailCloud(client_secret, client_id)
 
 // Prepare parameters:
 request = models.ContactAsFileRequest(
@@ -201,7 +201,7 @@ result = models.MapiContactDto(
     <summary>Method call example:</summary>
 
 ```python
-api = EmailCloud(app_key, app_sid)
+api = EmailCloud(client_secret, client_id)
 
 // Prepare parameters:
 contact_dto = models.ContactDto(
@@ -299,7 +299,7 @@ Return type: **Stream**
     <summary>Method call example:</summary>
 
 ```python
-api = EmailCloud(app_key, app_sid)
+api = EmailCloud(client_secret, client_id)
 
 // Prepare parameters:
 request = models.ContactConvertRequest(
@@ -392,7 +392,7 @@ result = models.ContactDto(
     <summary>Method call example:</summary>
 
 ```python
-api = EmailCloud(app_key, app_sid)
+api = EmailCloud(client_secret, client_id)
 
 // Prepare parameters:
 request = models.ContactFromFileRequest(
@@ -518,7 +518,7 @@ result = models.ContactDto(
     <summary>Method call example:</summary>
 
 ```python
-api = EmailCloud(app_key, app_sid)
+api = EmailCloud(client_secret, client_id)
 
 // Prepare parameters:
 request = models.ContactGetRequest(
@@ -610,7 +610,7 @@ Return type: **Stream**
     <summary>Method call example:</summary>
 
 ```python
-api = EmailCloud(app_key, app_sid)
+api = EmailCloud(client_secret, client_id)
 
 // Prepare parameters:
 request = models.ContactGetAsFileRequest(
@@ -715,7 +715,7 @@ result = models.ContactStorageList(
     <summary>Method call example:</summary>
 
 ```python
-api = EmailCloud(app_key, app_sid)
+api = EmailCloud(client_secret, client_id)
 
 // Prepare parameters:
 request = models.ContactGetListRequest(
@@ -840,7 +840,7 @@ Return type: void (empty response body)
     <summary>Method call example:</summary>
 
 ```python
-api = EmailCloud(app_key, app_sid)
+api = EmailCloud(client_secret, client_id)
 
 // Prepare parameters:
 request = models.ContactSaveRequest(
diff --git a/sdk/docs/DisposableEmailApi.md b/sdk/docs/DisposableEmailApi.md
index 808babf..ed650f9 100644
--- a/sdk/docs/DisposableEmailApi.md
+++ b/sdk/docs/DisposableEmailApi.md
@@ -1,6 +1,6 @@
 # AsposeEmailCloudSdk.DisposableEmailApi (EmailCloud.disposable_email)
 
-Check email address is disposable operations
+Checks if an email is a disposable one
 
 <a name="is_disposable"></a>
 ## is_disposable
@@ -50,7 +50,7 @@ result =
     <summary>Method call example:</summary>
 
 ```python
-api = EmailCloud(app_key, app_sid)
+api = EmailCloud(client_secret, client_id)
 
 // Prepare parameters:
 request = models.DisposableEmailIsDisposableRequest(
diff --git a/sdk/docs/EmailApi.md b/sdk/docs/EmailApi.md
index adb3910..6e5230d 100644
--- a/sdk/docs/EmailApi.md
+++ b/sdk/docs/EmailApi.md
@@ -5,7 +5,7 @@ Email document (*.eml) operations.
 <a name="as_file"></a>
 ## as_file
 
-Description: Converts Email model to specified format and returns as file.             
+Description: Converts Email model to a specified format and returns as a file.             
 
 Returns: File stream in specified format.
 
@@ -62,7 +62,7 @@ Return type: **Stream**
     <summary>Method call example:</summary>
 
 ```python
-api = EmailCloud(app_key, app_sid)
+api = EmailCloud(client_secret, client_id)
 
 // Prepare parameters:
 request = models.EmailAsFileRequest(
@@ -189,7 +189,7 @@ result = models.MapiMessageDto(
     <summary>Method call example:</summary>
 
 ```python
-api = EmailCloud(app_key, app_sid)
+api = EmailCloud(client_secret, client_id)
 
 // Prepare parameters:
 email_dto = models.EmailDto(
@@ -293,7 +293,7 @@ Return type: **Stream**
     <summary>Method call example:</summary>
 
 ```python
-api = EmailCloud(app_key, app_sid)
+api = EmailCloud(client_secret, client_id)
 
 // Prepare parameters:
 request = models.EmailConvertRequest(
@@ -377,7 +377,7 @@ result = models.EmailDto(
     <summary>Method call example:</summary>
 
 ```python
-api = EmailCloud(app_key, app_sid)
+api = EmailCloud(client_secret, client_id)
 
 // Prepare parameters:
 request = models.EmailFromFileRequest(
@@ -485,7 +485,7 @@ result = models.EmailDto(
     <summary>Method call example:</summary>
 
 ```python
-api = EmailCloud(app_key, app_sid)
+api = EmailCloud(client_secret, client_id)
 
 // Prepare parameters:
 request = models.EmailGetRequest(
@@ -567,7 +567,7 @@ Return type: **Stream**
     <summary>Method call example:</summary>
 
 ```python
-api = EmailCloud(app_key, app_sid)
+api = EmailCloud(client_secret, client_id)
 
 // Prepare parameters:
 request = models.EmailGetAsFileRequest(
@@ -662,7 +662,7 @@ result = models.EmailStorageList(
     <summary>Method call example:</summary>
 
 ```python
-api = EmailCloud(app_key, app_sid)
+api = EmailCloud(client_secret, client_id)
 
 // Prepare parameters:
 request = models.EmailGetListRequest(
@@ -770,7 +770,7 @@ Return type: void (empty response body)
     <summary>Method call example:</summary>
 
 ```python
-api = EmailCloud(app_key, app_sid)
+api = EmailCloud(client_secret, client_id)
 
 // Prepare parameters:
 request = models.EmailSaveRequest(
diff --git a/sdk/docs/EmailApi_list.md b/sdk/docs/EmailApi_list.md
index 3e45826..a77e29f 100644
--- a/sdk/docs/EmailApi_list.md
+++ b/sdk/docs/EmailApi_list.md
@@ -4,7 +4,7 @@ All URIs are relative to *https://api.aspose.cloud/v4.0*
 
 Method | HTTP request | Description
 ------------- | ------------- | -------------
-[**as_file**](EmailApi.md#as_file)| **PUT** /email/as-file| Converts Email model to specified format and returns as file.             
+[**as_file**](EmailApi.md#as_file)| **PUT** /email/as-file| Converts Email model to a specified format and returns as a file.             
 [**as_mapi**](EmailApi.md#as_mapi)| **PUT** /email/as-mapi| Converts EmailDto to MapiMessageDto.             
 [**convert**](EmailApi.md#convert)| **PUT** /email/convert| Converts email document to specified format and returns as file             
 [**from_file**](EmailApi.md#from_file)| **PUT** /email/from-file| Converts email document to a model representation             
diff --git a/sdk/docs/EmailConfigApi.md b/sdk/docs/EmailConfigApi.md
index 0d71ad5..f88375a 100644
--- a/sdk/docs/EmailConfigApi.md
+++ b/sdk/docs/EmailConfigApi.md
@@ -24,7 +24,8 @@ See parameter model documentation at [EmailConfigDiscoverRequest](EmailConfigDis
     <summary>Parameter initialization example:</summary>
     
 ```python
-request = models.EmailConfigDiscoverRequest()
+request = models.EmailConfigDiscoverRequest(
+    address='address@gmail.com')
 ```
 
 </details>
@@ -88,10 +89,11 @@ result = models.EmailAccountConfigList(
     <summary>Method call example:</summary>
 
 ```python
-api = EmailCloud(app_key, app_sid)
+api = EmailCloud(client_secret, client_id)
 
 // Prepare parameters:
-request = models.EmailConfigDiscoverRequest()
+request = models.EmailConfigDiscoverRequest(
+    address='address@gmail.com')
 
 // Call method:
 result = api.email_config.discover(request)
@@ -233,7 +235,7 @@ result = models.EmailAccountConfigList(
     <summary>Method call example:</summary>
 
 ```python
-api = EmailCloud(app_key, app_sid)
+api = EmailCloud(client_secret, client_id)
 
 // Prepare parameters:
 request = models.EmailConfigDiscoverOauthRequest(
@@ -381,7 +383,7 @@ result = models.EmailAccountConfigList(
     <summary>Method call example:</summary>
 
 ```python
-api = EmailCloud(app_key, app_sid)
+api = EmailCloud(client_secret, client_id)
 
 // Prepare parameters:
 request = models.EmailConfigDiscoverPasswordRequest(
diff --git a/sdk/docs/EmailConfigDiscoverRequest.md b/sdk/docs/EmailConfigDiscoverRequest.md
index af31ef0..da231df 100644
--- a/sdk/docs/EmailConfigDiscoverRequest.md
+++ b/sdk/docs/EmailConfigDiscoverRequest.md
@@ -11,5 +11,6 @@ Name | Type | Description | Notes
 
 ## Example
 ```python
-request = models.EmailConfigDiscoverRequest()
+request = models.EmailConfigDiscoverRequest(
+    address='address@gmail.com')
 ```
diff --git a/sdk/docs/FileApi.md b/sdk/docs/FileApi.md
index 6a74c47..8068505 100644
--- a/sdk/docs/FileApi.md
+++ b/sdk/docs/FileApi.md
@@ -41,7 +41,7 @@ Return type: void (empty response body)
     <summary>Method call example:</summary>
 
 ```python
-api = EmailCloud(app_key, app_sid)
+api = EmailCloud(client_secret, client_id)
 
 // Prepare parameters:
 request = models.CopyFileRequest(
@@ -94,7 +94,7 @@ Return type: void (empty response body)
     <summary>Method call example:</summary>
 
 ```python
-api = EmailCloud(app_key, app_sid)
+api = EmailCloud(client_secret, client_id)
 
 // Prepare parameters:
 request = models.DeleteFileRequest(
@@ -149,7 +149,7 @@ Return type: **Stream**
     <summary>Method call example:</summary>
 
 ```python
-api = EmailCloud(app_key, app_sid)
+api = EmailCloud(client_secret, client_id)
 
 // Prepare parameters:
 request = models.DownloadFileRequest(
@@ -202,7 +202,7 @@ Return type: void (empty response body)
     <summary>Method call example:</summary>
 
 ```python
-api = EmailCloud(app_key, app_sid)
+api = EmailCloud(client_secret, client_id)
 
 // Prepare parameters:
 request = models.MoveFileRequest(
@@ -268,7 +268,7 @@ result =
     <summary>Method call example:</summary>
 
 ```python
-api = EmailCloud(app_key, app_sid)
+api = EmailCloud(client_secret, client_id)
 
 // Prepare parameters:
 request = models.UploadFileRequest(
diff --git a/sdk/docs/FolderApi.md b/sdk/docs/FolderApi.md
index 2038121..0e9487e 100644
--- a/sdk/docs/FolderApi.md
+++ b/sdk/docs/FolderApi.md
@@ -41,7 +41,7 @@ Return type: void (empty response body)
     <summary>Method call example:</summary>
 
 ```python
-api = EmailCloud(app_key, app_sid)
+api = EmailCloud(client_secret, client_id)
 
 // Prepare parameters:
 request = models.CopyFolderRequest(
@@ -94,7 +94,7 @@ Return type: void (empty response body)
     <summary>Method call example:</summary>
 
 ```python
-api = EmailCloud(app_key, app_sid)
+api = EmailCloud(client_secret, client_id)
 
 // Prepare parameters:
 request = models.CreateFolderRequest(
@@ -146,7 +146,7 @@ Return type: void (empty response body)
     <summary>Method call example:</summary>
 
 ```python
-api = EmailCloud(app_key, app_sid)
+api = EmailCloud(client_secret, client_id)
 
 // Prepare parameters:
 request = models.DeleteFolderRequest(
@@ -216,7 +216,7 @@ result = models.FilesList(
     <summary>Method call example:</summary>
 
 ```python
-api = EmailCloud(app_key, app_sid)
+api = EmailCloud(client_secret, client_id)
 
 // Prepare parameters:
 request = models.GetFilesListRequest(
@@ -278,7 +278,7 @@ Return type: void (empty response body)
     <summary>Method call example:</summary>
 
 ```python
-api = EmailCloud(app_key, app_sid)
+api = EmailCloud(client_secret, client_id)
 
 // Prepare parameters:
 request = models.MoveFolderRequest(
diff --git a/sdk/docs/MapiCalendarApi.md b/sdk/docs/MapiCalendarApi.md
index 879fa5b..5d62b9e 100644
--- a/sdk/docs/MapiCalendarApi.md
+++ b/sdk/docs/MapiCalendarApi.md
@@ -93,7 +93,7 @@ result = models.CalendarDto(
     <summary>Method call example:</summary>
 
 ```python
-api = EmailCloud(app_key, app_sid)
+api = EmailCloud(client_secret, client_id)
 
 // Prepare parameters:
 mapi_calendar_dto = models.MapiCalendarDto(
@@ -220,7 +220,7 @@ Return type: **Stream**
     <summary>Method call example:</summary>
 
 ```python
-api = EmailCloud(app_key, app_sid)
+api = EmailCloud(client_secret, client_id)
 
 // Prepare parameters:
 request = models.MapiCalendarAsFileRequest(
@@ -336,7 +336,7 @@ result = models.MapiCalendarDto(
     <summary>Method call example:</summary>
 
 ```python
-api = EmailCloud(app_key, app_sid)
+api = EmailCloud(client_secret, client_id)
 
 // Prepare parameters:
 request = models.MapiCalendarFromFileRequest(
@@ -456,7 +456,7 @@ result = models.MapiCalendarDto(
     <summary>Method call example:</summary>
 
 ```python
-api = EmailCloud(app_key, app_sid)
+api = EmailCloud(client_secret, client_id)
 
 // Prepare parameters:
 request = models.MapiCalendarGetRequest(
@@ -569,7 +569,7 @@ Return type: void (empty response body)
     <summary>Method call example:</summary>
 
 ```python
-api = EmailCloud(app_key, app_sid)
+api = EmailCloud(client_secret, client_id)
 
 // Prepare parameters:
 request = models.MapiCalendarSaveRequest(
diff --git a/sdk/docs/MapiContactApi.md b/sdk/docs/MapiContactApi.md
index 482463c..7a48042 100644
--- a/sdk/docs/MapiContactApi.md
+++ b/sdk/docs/MapiContactApi.md
@@ -90,7 +90,7 @@ result = models.ContactDto(
     <summary>Method call example:</summary>
 
 ```python
-api = EmailCloud(app_key, app_sid)
+api = EmailCloud(client_secret, client_id)
 
 // Prepare parameters:
 mapi_contact_dto = models.MapiContactDto(
@@ -199,7 +199,7 @@ Return type: **Stream**
     <summary>Method call example:</summary>
 
 ```python
-api = EmailCloud(app_key, app_sid)
+api = EmailCloud(client_secret, client_id)
 
 // Prepare parameters:
 request = models.MapiContactAsFileRequest(
@@ -286,7 +286,7 @@ result = models.MapiContactDto(
     <summary>Method call example:</summary>
 
 ```python
-api = EmailCloud(app_key, app_sid)
+api = EmailCloud(client_secret, client_id)
 
 // Prepare parameters:
 request = models.MapiContactFromFileRequest(
@@ -378,7 +378,7 @@ result = models.MapiContactDto(
     <summary>Method call example:</summary>
 
 ```python
-api = EmailCloud(app_key, app_sid)
+api = EmailCloud(client_secret, client_id)
 
 // Prepare parameters:
 request = models.MapiContactGetRequest(
@@ -462,7 +462,7 @@ Return type: void (empty response body)
     <summary>Method call example:</summary>
 
 ```python
-api = EmailCloud(app_key, app_sid)
+api = EmailCloud(client_secret, client_id)
 
 // Prepare parameters:
 request = models.MapiContactSaveRequest(
diff --git a/sdk/docs/MapiMessageApi.md b/sdk/docs/MapiMessageApi.md
index 2e49b7a..7e6e9b7 100644
--- a/sdk/docs/MapiMessageApi.md
+++ b/sdk/docs/MapiMessageApi.md
@@ -96,7 +96,7 @@ result = models.EmailDto(
     <summary>Method call example:</summary>
 
 ```python
-api = EmailCloud(app_key, app_sid)
+api = EmailCloud(client_secret, client_id)
 
 // Prepare parameters:
 mapi_message = models.MapiMessageDto(
@@ -226,7 +226,7 @@ Return type: **Stream**
     <summary>Method call example:</summary>
 
 ```python
-api = EmailCloud(app_key, app_sid)
+api = EmailCloud(client_secret, client_id)
 
 // Prepare parameters:
 request = models.MapiMessageAsFileRequest(
@@ -343,7 +343,7 @@ result = models.MapiMessageDto(
     <summary>Method call example:</summary>
 
 ```python
-api = EmailCloud(app_key, app_sid)
+api = EmailCloud(client_secret, client_id)
 
 // Prepare parameters:
 request = models.MapiMessageFromFileRequest(
@@ -465,7 +465,7 @@ result = models.MapiMessageDto(
     <summary>Method call example:</summary>
 
 ```python
-api = EmailCloud(app_key, app_sid)
+api = EmailCloud(client_secret, client_id)
 
 // Prepare parameters:
 request = models.MapiMessageGetRequest(
@@ -579,7 +579,7 @@ Return type: void (empty response body)
     <summary>Method call example:</summary>
 
 ```python
-api = EmailCloud(app_key, app_sid)
+api = EmailCloud(client_secret, client_id)
 
 // Prepare parameters:
 request = models.MapiMessageSaveRequest(
diff --git a/sdk/docs/README.md b/sdk/docs/README.md
index 4b009fe..7330836 100644
--- a/sdk/docs/README.md
+++ b/sdk/docs/README.md
@@ -1,13 +1,13 @@
 # Reference documentation for Aspose.Email Cloud API
 
 `EmailCloud` is the main API class. It provides an access to all of Aspose.Email Cloud functions.
-`app_key` and `app_sid` credentials should be obtained from [dashboard](https://dashboard.aspose.cloud/#/) to use `EmailCloud`:
+`client_secret` and `client_id` credentials should be obtained from [dashboard](https://dashboard.aspose.cloud/#/) to use `EmailCloud`:
 
 ```python
-app_key = 'Your App Key'
-app_sid = 'Your App SID'
+client_secret = 'Your Client secret'
+client_id = 'Your Client id'
 
-api = EmailCloud(app_key, app_sid)
+api = EmailCloud(client_secret, client_id)
 ```
 
 All Aspose.Email Cloud functions are divided into groups and represented as `EmailCloud` fields:
@@ -21,7 +21,7 @@ API | Description
 [EmailCloud.**calendar**](CalendarApi_list.md) | iCalendar document operations.
 [EmailCloud.**contact**](ContactApi_list.md) | Contact document operations. Supported formats: VCard, MSG, WebDav
 [EmailCloud.**email**](EmailApi_list.md) | Email document (*.eml) operations.
-[EmailCloud.**disposable_email**](DisposableEmailApi_list.md) | Check email address is disposable operations
+[EmailCloud.**disposable_email**](DisposableEmailApi_list.md) | Checks if an email is a disposable one
 [EmailCloud.**email_config**](EmailConfigApi_list.md) | Email server configuration discovery.
 
 
diff --git a/sdk/docs/StorageApi.md b/sdk/docs/StorageApi.md
index 0e63642..6d5fa91 100644
--- a/sdk/docs/StorageApi.md
+++ b/sdk/docs/StorageApi.md
@@ -52,7 +52,7 @@ result = models.DiscUsage(
     <summary>Method call example:</summary>
 
 ```python
-api = EmailCloud(app_key, app_sid)
+api = EmailCloud(client_secret, client_id)
 
 // Prepare parameters:
 request = models.GetDiscUsageRequest(
@@ -127,7 +127,7 @@ result = models.FileVersions(
     <summary>Method call example:</summary>
 
 ```python
-api = EmailCloud(app_key, app_sid)
+api = EmailCloud(client_secret, client_id)
 
 // Prepare parameters:
 request = models.GetFileVersionsRequest(
@@ -202,7 +202,7 @@ result = models.ObjectExist(
     <summary>Method call example:</summary>
 
 ```python
-api = EmailCloud(app_key, app_sid)
+api = EmailCloud(client_secret, client_id)
 
 // Prepare parameters:
 request = models.ObjectExistsRequest(
@@ -269,7 +269,7 @@ result = models.StorageExist(
     <summary>Method call example:</summary>
 
 ```python
-api = EmailCloud(app_key, app_sid)
+api = EmailCloud(client_secret, client_id)
 
 // Prepare parameters:
 request = models.StorageExistsRequest(
diff --git a/sdk/setup.py b/sdk/setup.py
index 906e1af..5996dd5 100644
--- a/sdk/setup.py
+++ b/sdk/setup.py
@@ -8,7 +8,7 @@
 from setuptools import setup, find_packages  # noqa: H301
 
 NAME = "aspose-email-cloud"
-VERSION = "20.10.0"
+VERSION = "20.12.0.127"
 # To install the library, run the following
 #
 # python setup.py install
diff --git a/tests/conftest.py b/tests/conftest.py
index 9ebc546..1a9ba70 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -31,8 +31,8 @@ def pytest_configure(config):
 @pytest.fixture(scope="class")
 def td(request):
     config = _get_config(request)
-    app_sid = config["appsid"]
-    app_key = config["appkey"]
+    app_sid = config["clientid"]
+    app_key = config["clientsecret"]
     api_base_url = config.get("apibaseurl", "https://api-qa.aspose.cloud")
     email_cloud = api.EmailCloud(app_key, app_sid, api_base_url)
     auth_url = config.get("authurl")