diff --git a/app/sdks/console-javascript/README.md b/app/sdks/console-javascript/README.md
index 005e2d2364..2c46552b04 100644
--- a/app/sdks/console-javascript/README.md
+++ b/app/sdks/console-javascript/README.md
@@ -1,7 +1,7 @@
 # Appwrite SDK for JavaScript
 
 ![License](https://img.shields.io/github/license/appwrite/sdk-for-console.svg?v=1)
-![Version](https://img.shields.io/badge/api%20version-0.5.0-blue.svg?v=1)
+![Version](https://img.shields.io/badge/api%20version-0.5.3-blue.svg?v=1)
 
 Appwrite backend as a service cuts up to 70% of the time and costs required for building a modern application. We abstract and simplify common development tasks behind a REST APIs, to help you develop your app in a fast and secure way. For full API documentation and tutorials go to [https://appwrite.io/docs](https://appwrite.io/docs)
 
@@ -33,6 +33,10 @@ To install with a CDN (content delivery network) add the following scripts to th
 
 
 
+## Contribution
+
+This library is auto-generated by Appwrite custom [SDK Generator](https://github.com/appwrite/sdk-generator). To learn more about how you can help us improve this SDK, please check the [contribution guide](https://github.com/appwrite/sdk-generator/blob/master/CONTRIBUTING.md) before sending a pull-request.
+
 ## License
 
 Please see the [BSD-3-Clause license](https://raw.githubusercontent.com/appwrite/appwrite/master/LICENSE) file for more information.
\ No newline at end of file
diff --git a/app/sdks/flutter-dart/README.md b/app/sdks/flutter-dart/README.md
index 3c454c8317..f51e3e5f95 100644
--- a/app/sdks/flutter-dart/README.md
+++ b/app/sdks/flutter-dart/README.md
@@ -1,7 +1,7 @@
 # Appwrite SDK for Dart
 
 ![License](https://img.shields.io/github/license/appwrite/sdk-for-dart.svg?v=1)
-![Version](https://img.shields.io/badge/api%20version-0.5.0-blue.svg?v=1)
+![Version](https://img.shields.io/badge/api%20version-0.5.3-blue.svg?v=1)
 
 **This SDK is compatible with Appwrite server version . For older versions, please check previous releases.**
 
@@ -26,6 +26,10 @@ You can install packages from the command line:
 pub get
 ```
 
+## Contribution
+
+This library is auto-generated by Appwrite custom [SDK Generator](https://github.com/appwrite/sdk-generator). To learn more about how you can help us improve this SDK, please check the [contribution guide](https://github.com/appwrite/sdk-generator/blob/master/CONTRIBUTING.md) before sending a pull-request.
+
 ## License
 
 Please see the [BSD-3-Clause license](https://raw.githubusercontent.com/appwrite/appwrite/master/LICENSE) file for more information.
\ No newline at end of file
diff --git a/app/sdks/flutter-dart/lib/client.dart b/app/sdks/flutter-dart/lib/client.dart
index c4b19692c6..c5fb760362 100644
--- a/app/sdks/flutter-dart/lib/client.dart
+++ b/app/sdks/flutter-dart/lib/client.dart
@@ -2,6 +2,8 @@ import 'package:dio/dio.dart';
 import 'package:dio_cookie_manager/dio_cookie_manager.dart';
 import 'package:cookie_jar/cookie_jar.dart';
 
+import 'enums.dart';
+
 class Client {
     String endPoint;
     Map<String, String> headers;
@@ -71,18 +73,18 @@ class Client {
         return this;
     }
 
-    Future<Response> call(String method, {String path = '', Map<String, String> headers = const {}, Map<String, dynamic> params = const {}}) {
+    Future<Response> call(HttpMethod method, {String path = '', Map<String, String> headers = const {}, Map<String, dynamic> params = const {}}) {
         if(this.selfSigned) { 
             // Allow self signed requests
         }
 
         String reqPath = path;
-        bool isGet = method.toUpperCase() == "GET";
+        bool isGet = method == HttpMethod.get;
 
         // Origin is hardcoded for testing
         Options options = Options(
             headers: {...this.headers, ...headers, "Origin": "http://localhost"},
-            method: method.toUpperCase(),
+            method: method.name(),
         );
 
         if (isGet) {
diff --git a/app/sdks/flutter-dart/lib/enums.dart b/app/sdks/flutter-dart/lib/enums.dart
new file mode 100644
index 0000000000..69b7ba44e8
--- /dev/null
+++ b/app/sdks/flutter-dart/lib/enums.dart
@@ -0,0 +1,9 @@
+enum HttpMethod {
+    get, post, put, delete, patch
+}
+
+extension HttpMethodString on HttpMethod{
+    String name(){
+        return this.toString().split('.').last.toUpperCase();
+    }
+}
diff --git a/app/sdks/flutter-dart/lib/services/account.dart b/app/sdks/flutter-dart/lib/services/account.dart
index 99ec446080..3e873ab951 100644
--- a/app/sdks/flutter-dart/lib/services/account.dart
+++ b/app/sdks/flutter-dart/lib/services/account.dart
@@ -1,6 +1,11 @@
+import 'dart:html';
+
 import "package:appwrite/service.dart";
 import "package:appwrite/client.dart";
 import 'package:dio/dio.dart';
+import 'package:meta/meta.dart';
+
+import '../enums.dart';
 
 class Account extends Service {
      
@@ -13,7 +18,7 @@ class Account extends Service {
        Map<String, dynamic> params = {
        };
 
-       return await this.client.call('get', path: path, params: params);
+       return await this.client.call(HttpMethod.get, path: path, params: params);
     }
      /// Use this endpoint to allow a new user to register a new account in your
      /// project. After the user registration completes successfully, you can use
@@ -21,7 +26,7 @@ class Account extends Service {
      /// verifying the user email address. To allow your new user to login to his
      /// new account, you need to create a new [account
      /// session](/docs/account#createSession).
-    Future<Response> create({email, password, name = null}) async {
+    Future<Response> create({@required String email, @required String password, String name = null}) async {
        String path = '/account';
 
        Map<String, dynamic> params = {
@@ -30,7 +35,7 @@ class Account extends Service {
          'name': name,
        };
 
-       return await this.client.call('post', path: path, params: params);
+       return await this.client.call(HttpMethod.post, path: path, params: params);
     }
      /// Delete a currently logged in user account. Behind the scene, the user
      /// record is not deleted but permanently blocked from any access. This is done
@@ -43,13 +48,13 @@ class Account extends Service {
        Map<String, dynamic> params = {
        };
 
-       return await this.client.call('delete', path: path, params: params);
+       return await this.client.call(HttpMethod.delete, path: path, params: params);
     }
      /// Update currently logged in user account email address. After changing user
      /// address, user confirmation status is being reset and a new confirmation
      /// mail is sent. For security measures, user password is required to complete
      /// this request.
-    Future<Response> updateEmail({email, password}) async {
+    Future<Response> updateEmail({@required String email, @required String password}) async {
        String path = '/account/email';
 
        Map<String, dynamic> params = {
@@ -57,7 +62,7 @@ class Account extends Service {
          'password': password,
        };
 
-       return await this.client.call('patch', path: path, params: params);
+       return await this.client.call(HttpMethod.patch, path: path, params: params);
     }
      /// Get currently logged in user list of latest security activity logs. Each
      /// log returns user IP address, location and date and time of log.
@@ -67,21 +72,21 @@ class Account extends Service {
        Map<String, dynamic> params = {
        };
 
-       return await this.client.call('get', path: path, params: params);
+       return await this.client.call(HttpMethod.get, path: path, params: params);
     }
      /// Update currently logged in user account name.
-    Future<Response> updateName({name}) async {
+    Future<Response> updateName({@required String name}) async {
        String path = '/account/name';
 
        Map<String, dynamic> params = {
          'name': name,
        };
 
-       return await this.client.call('patch', path: path, params: params);
+       return await this.client.call(HttpMethod.patch, path: path, params: params);
     }
      /// Update currently logged in user password. For validation, user is required
      /// to pass the password twice.
-    Future<Response> updatePassword({password, oldPassword}) async {
+    Future<Response> updatePassword({@required String password, @required String oldPassword}) async {
        String path = '/account/password';
 
        Map<String, dynamic> params = {
@@ -89,7 +94,7 @@ class Account extends Service {
          'old-password': oldPassword,
        };
 
-       return await this.client.call('patch', path: path, params: params);
+       return await this.client.call(HttpMethod.patch, path: path, params: params);
     }
      /// Get currently logged in user preferences as a key-value object.
     Future<Response> getPrefs() async {
@@ -98,18 +103,18 @@ class Account extends Service {
        Map<String, dynamic> params = {
        };
 
-       return await this.client.call('get', path: path, params: params);
+       return await this.client.call(HttpMethod.get, path: path, params: params);
     }
      /// Update currently logged in user account preferences. You can pass only the
      /// specific settings you wish to update.
-    Future<Response> updatePrefs({prefs}) async {
+    Future<Response> updatePrefs({@required dynamic prefs}) async {
        String path = '/account/prefs';
 
        Map<String, dynamic> params = {
          'prefs': prefs,
        };
 
-       return await this.client.call('patch', path: path, params: params);
+       return await this.client.call(HttpMethod.patch, path: path, params: params);
     }
      /// Sends the user an email with a temporary secret key for password reset.
      /// When the user clicks the confirmation link he is redirected back to your
@@ -117,7 +122,7 @@ class Account extends Service {
      /// attached to the URL query string. Use the query string params to submit a
      /// request to the [PUT /account/recovery](/docs/account#updateRecovery)
      /// endpoint to complete the process.
-    Future<Response> createRecovery({email, url}) async {
+    Future<Response> createRecovery({@required String email, @required String url}) async {
        String path = '/account/recovery';
 
        Map<String, dynamic> params = {
@@ -125,7 +130,7 @@ class Account extends Service {
          'url': url,
        };
 
-       return await this.client.call('post', path: path, params: params);
+       return await this.client.call(HttpMethod.post, path: path, params: params);
     }
      /// Use this endpoint to complete the user account password reset. Both the
      /// **userId** and **secret** arguments will be passed as query parameters to
@@ -136,7 +141,7 @@ class Account extends Service {
      /// Attack](https://github.com/OWASP/CheatSheetSeries/blob/master/cheatsheets/Unvalidated_Redirects_and_Forwards_Cheat_Sheet.md)
      /// the only valid redirect URLs are the ones from domains you have set when
      /// adding your platforms in the console interface.
-    Future<Response> updateRecovery({userId, secret, passwordA, passwordB}) async {
+    Future<Response> updateRecovery({@required String userId, @required String secret, @required String passwordA, @required String passwordB}) async {
        String path = '/account/recovery';
 
        Map<String, dynamic> params = {
@@ -146,7 +151,7 @@ class Account extends Service {
          'password-b': passwordB,
        };
 
-       return await this.client.call('put', path: path, params: params);
+       return await this.client.call(HttpMethod.put, path: path, params: params);
     }
      /// Get currently logged in user list of active sessions across different
      /// devices.
@@ -156,11 +161,11 @@ class Account extends Service {
        Map<String, dynamic> params = {
        };
 
-       return await this.client.call('get', path: path, params: params);
+       return await this.client.call(HttpMethod.get, path: path, params: params);
     }
      /// Allow the user to login into his account by providing a valid email and
      /// password combination. This route will create a new session for the user.
-    Future<Response> createSession({email, password}) async {
+    Future<Response> createSession({@required String email, @required String password}) async {
        String path = '/account/sessions';
 
        Map<String, dynamic> params = {
@@ -168,7 +173,7 @@ class Account extends Service {
          'password': password,
        };
 
-       return await this.client.call('post', path: path, params: params);
+       return await this.client.call(HttpMethod.post, path: path, params: params);
     }
      /// Delete all sessions from the user account and remove any sessions cookies
      /// from the end client.
@@ -178,13 +183,13 @@ class Account extends Service {
        Map<String, dynamic> params = {
        };
 
-       return await this.client.call('delete', path: path, params: params);
+       return await this.client.call(HttpMethod.delete, path: path, params: params);
     }
      /// Allow the user to login to his account using the OAuth2 provider of his
      /// choice. Each OAuth2 provider should be enabled from the Appwrite console
      /// first. Use the success and failure arguments to provide a redirect URL's
      /// back to your app when login is completed.
-    Future<Response> createOAuth2Session({provider, success, failure}) async {
+    Future<Response> createOAuth2Session({@required String provider, @required String success, @required String failure}) async {
        String path = '/account/sessions/oauth2/{provider}'.replaceAll(RegExp('{provider}'), provider);
 
        Map<String, dynamic> params = {
@@ -192,18 +197,18 @@ class Account extends Service {
          'failure': failure,
        };
 
-       return await this.client.call('get', path: path, params: params);
+       return await this.client.call(HttpMethod.get, path: path, params: params);
     }
      /// Use this endpoint to log out the currently logged in user from all his
      /// account sessions across all his different devices. When using the option id
      /// argument, only the session unique ID provider will be deleted.
-    Future<Response> deleteSession({sessionId}) async {
+    Future<Response> deleteSession({@required String sessionId}) async {
        String path = '/account/sessions/{sessionId}'.replaceAll(RegExp('{sessionId}'), sessionId);
 
        Map<String, dynamic> params = {
        };
 
-       return await this.client.call('delete', path: path, params: params);
+       return await this.client.call(HttpMethod.delete, path: path, params: params);
     }
      /// Use this endpoint to send a verification message to your user email address
      /// to confirm they are the valid owners of that address. Both the **userId**
@@ -218,20 +223,20 @@ class Account extends Service {
      /// Attack](https://github.com/OWASP/CheatSheetSeries/blob/master/cheatsheets/Unvalidated_Redirects_and_Forwards_Cheat_Sheet.md)
      /// the only valid redirect URLs are the ones from domains you have set when
      /// adding your platforms in the console interface.
-    Future<Response> createVerification({url}) async {
+    Future<Response> createVerification({@required String url}) async {
        String path = '/account/verification';
 
        Map<String, dynamic> params = {
          'url': url,
        };
 
-       return await this.client.call('post', path: path, params: params);
+       return await this.client.call(HttpMethod.post, path: path, params: params);
     }
      /// Use this endpoint to complete the user email verification process. Use both
      /// the **userId** and **secret** parameters that were attached to your app URL
      /// to verify the user email ownership. If confirmed this route will return a
      /// 200 status code.
-    Future<Response> updateVerification({userId, secret}) async {
+    Future<Response> updateVerification({@required String userId, @required String secret}) async {
        String path = '/account/verification';
 
        Map<String, dynamic> params = {
@@ -239,6 +244,6 @@ class Account extends Service {
          'secret': secret,
        };
 
-       return await this.client.call('put', path: path, params: params);
+       return await this.client.call(HttpMethod.put, path: path, params: params);
     }
 }
\ No newline at end of file
diff --git a/app/sdks/flutter-dart/lib/services/avatars.dart b/app/sdks/flutter-dart/lib/services/avatars.dart
index 4ffcc6aa15..234c1f5ad9 100644
--- a/app/sdks/flutter-dart/lib/services/avatars.dart
+++ b/app/sdks/flutter-dart/lib/services/avatars.dart
@@ -1,6 +1,11 @@
+import 'dart:html';
+
 import "package:appwrite/service.dart";
 import "package:appwrite/client.dart";
 import 'package:dio/dio.dart';
+import 'package:meta/meta.dart';
+
+import '../enums.dart';
 
 class Avatars extends Service {
      
@@ -10,7 +15,7 @@ class Avatars extends Service {
      /// The code argument receives the browser code as it appears in your user
      /// /account/sessions endpoint. Use width, height and quality arguments to
      /// change the output settings.
-    Future<Response> getBrowser({code, width = 100, height = 100, quality = 100}) async {
+    Future<Response> getBrowser({@required String code, int width = 100, int height = 100, int quality = 100}) async {
        String path = '/avatars/browsers/{code}'.replaceAll(RegExp('{code}'), code);
 
        Map<String, dynamic> params = {
@@ -19,13 +24,13 @@ class Avatars extends Service {
          'quality': quality,
        };
 
-       return await this.client.call('get', path: path, params: params);
+       return await this.client.call(HttpMethod.get, path: path, params: params);
     }
      /// Need to display your users with your billing method or their payment
      /// methods? The credit card endpoint will return you the icon of the credit
      /// card provider you need. Use width, height and quality arguments to change
      /// the output settings.
-    Future<Response> getCreditCard({code, width = 100, height = 100, quality = 100}) async {
+    Future<Response> getCreditCard({@required String code, int width = 100, int height = 100, int quality = 100}) async {
        String path = '/avatars/credit-cards/{code}'.replaceAll(RegExp('{code}'), code);
 
        Map<String, dynamic> params = {
@@ -34,23 +39,23 @@ class Avatars extends Service {
          'quality': quality,
        };
 
-       return await this.client.call('get', path: path, params: params);
+       return await this.client.call(HttpMethod.get, path: path, params: params);
     }
      /// Use this endpoint to fetch the favorite icon (AKA favicon) of a  any remote
      /// website URL.
-    Future<Response> getFavicon({url}) async {
+    Future<Response> getFavicon({@required String url}) async {
        String path = '/avatars/favicon';
 
        Map<String, dynamic> params = {
          'url': url,
        };
 
-       return await this.client.call('get', path: path, params: params);
+       return await this.client.call(HttpMethod.get, path: path, params: params);
     }
      /// You can use this endpoint to show different country flags icons to your
      /// users. The code argument receives the 2 letter country code. Use width,
      /// height and quality arguments to change the output settings.
-    Future<Response> getFlag({code, width = 100, height = 100, quality = 100}) async {
+    Future<Response> getFlag({@required String code, int width = 100, int height = 100, int quality = 100}) async {
        String path = '/avatars/flags/{code}'.replaceAll(RegExp('{code}'), code);
 
        Map<String, dynamic> params = {
@@ -59,13 +64,13 @@ class Avatars extends Service {
          'quality': quality,
        };
 
-       return await this.client.call('get', path: path, params: params);
+       return await this.client.call(HttpMethod.get, path: path, params: params);
     }
      /// Use this endpoint to fetch a remote image URL and crop it to any image size
      /// you want. This endpoint is very useful if you need to crop and display
      /// remote images in your app or in case you want to make sure a 3rd party
      /// image is properly served using a TLS protocol.
-    Future<Response> getImage({url, width = 400, height = 400}) async {
+    Future<Response> getImage({@required String url, int width = 400, int height = 400}) async {
        String path = '/avatars/image';
 
        Map<String, dynamic> params = {
@@ -74,11 +79,11 @@ class Avatars extends Service {
          'height': height,
        };
 
-       return await this.client.call('get', path: path, params: params);
+       return await this.client.call(HttpMethod.get, path: path, params: params);
     }
      /// Converts a given plain text to a QR code image. You can use the query
      /// parameters to change the size and style of the resulting image.
-    Future<Response> getQR({text, size = 400, margin = 1, download = null}) async {
+    Future<Response> getQR({@required String text, int size = 400, int margin = 1, int download = null}) async {
        String path = '/avatars/qr';
 
        Map<String, dynamic> params = {
@@ -88,6 +93,6 @@ class Avatars extends Service {
          'download': download,
        };
 
-       return await this.client.call('get', path: path, params: params);
+       return await this.client.call(HttpMethod.get, path: path, params: params);
     }
 }
\ No newline at end of file
diff --git a/app/sdks/flutter-dart/lib/services/database.dart b/app/sdks/flutter-dart/lib/services/database.dart
index ca6f9fa93c..1ca005bdf5 100644
--- a/app/sdks/flutter-dart/lib/services/database.dart
+++ b/app/sdks/flutter-dart/lib/services/database.dart
@@ -1,6 +1,11 @@
+import 'dart:html';
+
 import "package:appwrite/service.dart";
 import "package:appwrite/client.dart";
 import 'package:dio/dio.dart';
+import 'package:meta/meta.dart';
+
+import '../enums.dart';
 
 class Database extends Service {
      
@@ -10,7 +15,7 @@ class Database extends Service {
      /// filter your results. On admin mode, this endpoint will return a list of all
      /// of the project documents. [Learn more about different API
      /// modes](/docs/admin).
-    Future<Response> listDocuments({collectionId, filters = const [], offset = null, limit = 50, orderField = '\$id', orderType = 'ASC', orderCast = 'string', search = null, first = null, last = null}) async {
+    Future<Response> listDocuments({@required String collectionId, List filters = const [], int offset = null, int limit = 50, String orderField = '\$id', String orderType = 'ASC', String orderCast = 'string', String search = null, int first = null, int last = null}) async {
        String path = '/database/collections/{collectionId}/documents'.replaceAll(RegExp('{collectionId}'), collectionId);
 
        Map<String, dynamic> params = {
@@ -25,10 +30,10 @@ class Database extends Service {
          'last': last,
        };
 
-       return await this.client.call('get', path: path, params: params);
+       return await this.client.call(HttpMethod.get, path: path, params: params);
     }
      /// Create a new Document.
-    Future<Response> createDocument({collectionId, data, read, write, parentDocument = null, parentProperty = null, parentPropertyType = 'assign'}) async {
+    Future<Response> createDocument({@required String collectionId, @required dynamic data, @required List read, @required List write, String parentDocument = null, String parentProperty = null, String parentPropertyType = 'assign'}) async {
        String path = '/database/collections/{collectionId}/documents'.replaceAll(RegExp('{collectionId}'), collectionId);
 
        Map<String, dynamic> params = {
@@ -40,19 +45,19 @@ class Database extends Service {
          'parentPropertyType': parentPropertyType,
        };
 
-       return await this.client.call('post', path: path, params: params);
+       return await this.client.call(HttpMethod.post, path: path, params: params);
     }
      /// Get document by its unique ID. This endpoint response returns a JSON object
      /// with the document data.
-    Future<Response> getDocument({collectionId, documentId}) async {
+    Future<Response> getDocument({@required String collectionId, @required String documentId}) async {
        String path = '/database/collections/{collectionId}/documents/{documentId}'.replaceAll(RegExp('{collectionId}'), collectionId).replaceAll(RegExp('{documentId}'), documentId);
 
        Map<String, dynamic> params = {
        };
 
-       return await this.client.call('get', path: path, params: params);
+       return await this.client.call(HttpMethod.get, path: path, params: params);
     }
-    Future<Response> updateDocument({collectionId, documentId, data, read, write}) async {
+    Future<Response> updateDocument({@required String collectionId, @required String documentId, @required dynamic data, @required List read, @required List write}) async {
        String path = '/database/collections/{collectionId}/documents/{documentId}'.replaceAll(RegExp('{collectionId}'), collectionId).replaceAll(RegExp('{documentId}'), documentId);
 
        Map<String, dynamic> params = {
@@ -61,17 +66,17 @@ class Database extends Service {
          'write': write,
        };
 
-       return await this.client.call('patch', path: path, params: params);
+       return await this.client.call(HttpMethod.patch, path: path, params: params);
     }
      /// Delete document by its unique ID. This endpoint deletes only the parent
      /// documents, his attributes and relations to other documents. Child documents
      /// **will not** be deleted.
-    Future<Response> deleteDocument({collectionId, documentId}) async {
+    Future<Response> deleteDocument({@required String collectionId, @required String documentId}) async {
        String path = '/database/collections/{collectionId}/documents/{documentId}'.replaceAll(RegExp('{collectionId}'), collectionId).replaceAll(RegExp('{documentId}'), documentId);
 
        Map<String, dynamic> params = {
        };
 
-       return await this.client.call('delete', path: path, params: params);
+       return await this.client.call(HttpMethod.delete, path: path, params: params);
     }
 }
\ No newline at end of file
diff --git a/app/sdks/flutter-dart/lib/services/locale.dart b/app/sdks/flutter-dart/lib/services/locale.dart
index 208c72bd08..fc10792133 100644
--- a/app/sdks/flutter-dart/lib/services/locale.dart
+++ b/app/sdks/flutter-dart/lib/services/locale.dart
@@ -1,6 +1,11 @@
+import 'dart:html';
+
 import "package:appwrite/service.dart";
 import "package:appwrite/client.dart";
 import 'package:dio/dio.dart';
+import 'package:meta/meta.dart';
+
+import '../enums.dart';
 
 class Locale extends Service {
      
@@ -18,7 +23,7 @@ class Locale extends Service {
        Map<String, dynamic> params = {
        };
 
-       return await this.client.call('get', path: path, params: params);
+       return await this.client.call(HttpMethod.get, path: path, params: params);
     }
      /// List of all continents. You can use the locale header to get the data in a
      /// supported language.
@@ -28,7 +33,7 @@ class Locale extends Service {
        Map<String, dynamic> params = {
        };
 
-       return await this.client.call('get', path: path, params: params);
+       return await this.client.call(HttpMethod.get, path: path, params: params);
     }
      /// List of all countries. You can use the locale header to get the data in a
      /// supported language.
@@ -38,7 +43,7 @@ class Locale extends Service {
        Map<String, dynamic> params = {
        };
 
-       return await this.client.call('get', path: path, params: params);
+       return await this.client.call(HttpMethod.get, path: path, params: params);
     }
      /// List of all countries that are currently members of the EU. You can use the
      /// locale header to get the data in a supported language.
@@ -48,7 +53,7 @@ class Locale extends Service {
        Map<String, dynamic> params = {
        };
 
-       return await this.client.call('get', path: path, params: params);
+       return await this.client.call(HttpMethod.get, path: path, params: params);
     }
      /// List of all countries phone codes. You can use the locale header to get the
      /// data in a supported language.
@@ -58,7 +63,7 @@ class Locale extends Service {
        Map<String, dynamic> params = {
        };
 
-       return await this.client.call('get', path: path, params: params);
+       return await this.client.call(HttpMethod.get, path: path, params: params);
     }
      /// List of all currencies, including currency symol, name, plural, and decimal
      /// digits for all major and minor currencies. You can use the locale header to
@@ -69,6 +74,6 @@ class Locale extends Service {
        Map<String, dynamic> params = {
        };
 
-       return await this.client.call('get', path: path, params: params);
+       return await this.client.call(HttpMethod.get, path: path, params: params);
     }
 }
\ No newline at end of file
diff --git a/app/sdks/flutter-dart/lib/services/storage.dart b/app/sdks/flutter-dart/lib/services/storage.dart
index da71e7cad4..b4484f2a41 100644
--- a/app/sdks/flutter-dart/lib/services/storage.dart
+++ b/app/sdks/flutter-dart/lib/services/storage.dart
@@ -1,6 +1,11 @@
+import 'dart:html';
+
 import "package:appwrite/service.dart";
 import "package:appwrite/client.dart";
 import 'package:dio/dio.dart';
+import 'package:meta/meta.dart';
+
+import '../enums.dart';
 
 class Storage extends Service {
      
@@ -9,7 +14,7 @@ class Storage extends Service {
      /// Get a list of all the user files. You can use the query params to filter
      /// your results. On admin mode, this endpoint will return a list of all of the
      /// project files. [Learn more about different API modes](/docs/admin).
-    Future<Response> listFiles({search = null, limit = 25, offset = null, orderType = 'ASC'}) async {
+    Future<Response> listFiles({String search = null, int limit = 25, int offset = null, String orderType = 'ASC'}) async {
        String path = '/storage/files';
 
        Map<String, dynamic> params = {
@@ -19,12 +24,12 @@ class Storage extends Service {
          'orderType': orderType,
        };
 
-       return await this.client.call('get', path: path, params: params);
+       return await this.client.call(HttpMethod.get, path: path, params: params);
     }
      /// Create a new file. The user who creates the file will automatically be
      /// assigned to read and write access unless he has passed custom values for
      /// read and write arguments.
-    Future<Response> createFile({file, read, write}) async {
+    Future<Response> createFile({@required File file, @required List read, @required List write}) async {
        String path = '/storage/files';
 
        Map<String, dynamic> params = {
@@ -33,21 +38,21 @@ class Storage extends Service {
          'write': write,
        };
 
-       return await this.client.call('post', path: path, params: params);
+       return await this.client.call(HttpMethod.post, path: path, params: params);
     }
      /// Get file by its unique ID. This endpoint response returns a JSON object
      /// with the file metadata.
-    Future<Response> getFile({fileId}) async {
+    Future<Response> getFile({@required String fileId}) async {
        String path = '/storage/files/{fileId}'.replaceAll(RegExp('{fileId}'), fileId);
 
        Map<String, dynamic> params = {
        };
 
-       return await this.client.call('get', path: path, params: params);
+       return await this.client.call(HttpMethod.get, path: path, params: params);
     }
      /// Update file by its unique ID. Only users with write permissions have access
      /// to update this resource.
-    Future<Response> updateFile({fileId, read, write}) async {
+    Future<Response> updateFile({@required String fileId, @required List read, @required List write}) async {
        String path = '/storage/files/{fileId}'.replaceAll(RegExp('{fileId}'), fileId);
 
        Map<String, dynamic> params = {
@@ -55,34 +60,34 @@ class Storage extends Service {
          'write': write,
        };
 
-       return await this.client.call('put', path: path, params: params);
+       return await this.client.call(HttpMethod.put, path: path, params: params);
     }
      /// Delete a file by its unique ID. Only users with write permissions have
      /// access to delete this resource.
-    Future<Response> deleteFile({fileId}) async {
+    Future<Response> deleteFile({@required String fileId}) async {
        String path = '/storage/files/{fileId}'.replaceAll(RegExp('{fileId}'), fileId);
 
        Map<String, dynamic> params = {
        };
 
-       return await this.client.call('delete', path: path, params: params);
+       return await this.client.call(HttpMethod.delete, path: path, params: params);
     }
      /// Get file content by its unique ID. The endpoint response return with a
      /// 'Content-Disposition: attachment' header that tells the browser to start
      /// downloading the file to user downloads directory.
-    Future<Response> getFileDownload({fileId}) async {
+    Future<Response> getFileDownload({@required String fileId}) async {
        String path = '/storage/files/{fileId}/download'.replaceAll(RegExp('{fileId}'), fileId);
 
        Map<String, dynamic> params = {
        };
 
-       return await this.client.call('get', path: path, params: params);
+       return await this.client.call(HttpMethod.get, path: path, params: params);
     }
      /// Get a file preview image. Currently, this method supports preview for image
      /// files (jpg, png, and gif), other supported formats, like pdf, docs, slides,
      /// and spreadsheets, will return the file icon image. You can also pass query
      /// string arguments for cutting and resizing your preview image.
-    Future<Response> getFilePreview({fileId, width = null, height = null, quality = 100, background = null, output = null}) async {
+    Future<Response> getFilePreview({@required String fileId, int width = null, int height = null, int quality = 100, String background = null, String output = null}) async {
        String path = '/storage/files/{fileId}/preview'.replaceAll(RegExp('{fileId}'), fileId);
 
        Map<String, dynamic> params = {
@@ -93,17 +98,17 @@ class Storage extends Service {
          'output': output,
        };
 
-       return await this.client.call('get', path: path, params: params);
+       return await this.client.call(HttpMethod.get, path: path, params: params);
     }
      /// Get file content by its unique ID. This endpoint is similar to the download
      /// method but returns with no  'Content-Disposition: attachment' header.
-    Future<Response> getFileView({fileId, as = null}) async {
+    Future<Response> getFileView({@required String fileId, String as = null}) async {
        String path = '/storage/files/{fileId}/view'.replaceAll(RegExp('{fileId}'), fileId);
 
        Map<String, dynamic> params = {
          'as': as,
        };
 
-       return await this.client.call('get', path: path, params: params);
+       return await this.client.call(HttpMethod.get, path: path, params: params);
     }
 }
\ No newline at end of file
diff --git a/app/sdks/flutter-dart/lib/services/teams.dart b/app/sdks/flutter-dart/lib/services/teams.dart
index fb5ce16c00..ca3f6ad11d 100644
--- a/app/sdks/flutter-dart/lib/services/teams.dart
+++ b/app/sdks/flutter-dart/lib/services/teams.dart
@@ -1,6 +1,11 @@
+import 'dart:html';
+
 import "package:appwrite/service.dart";
 import "package:appwrite/client.dart";
 import 'package:dio/dio.dart';
+import 'package:meta/meta.dart';
+
+import '../enums.dart';
 
 class Teams extends Service {
      
@@ -9,7 +14,7 @@ class Teams extends Service {
      /// Get a list of all the current user teams. You can use the query params to
      /// filter your results. On admin mode, this endpoint will return a list of all
      /// of the project teams. [Learn more about different API modes](/docs/admin).
-    Future<Response> list({search = null, limit = 25, offset = null, orderType = 'ASC'}) async {
+    Future<Response> list({String search = null, int limit = 25, int offset = null, String orderType = 'ASC'}) async {
        String path = '/teams';
 
        Map<String, dynamic> params = {
@@ -19,13 +24,13 @@ class Teams extends Service {
          'orderType': orderType,
        };
 
-       return await this.client.call('get', path: path, params: params);
+       return await this.client.call(HttpMethod.get, path: path, params: params);
     }
      /// Create a new team. The user who creates the team will automatically be
      /// assigned as the owner of the team. The team owner can invite new members,
      /// who will be able add new owners and update or delete the team from your
      /// project.
-    Future<Response> create({name, roles = const ["owner"]}) async {
+    Future<Response> create({@required String name, List roles = const ["owner"]}) async {
        String path = '/teams';
 
        Map<String, dynamic> params = {
@@ -33,48 +38,48 @@ class Teams extends Service {
          'roles': roles,
        };
 
-       return await this.client.call('post', path: path, params: params);
+       return await this.client.call(HttpMethod.post, path: path, params: params);
     }
      /// Get team by its unique ID. All team members have read access for this
      /// resource.
-    Future<Response> get({teamId}) async {
+    Future<Response> get({@required String teamId}) async {
        String path = '/teams/{teamId}'.replaceAll(RegExp('{teamId}'), teamId);
 
        Map<String, dynamic> params = {
        };
 
-       return await this.client.call('get', path: path, params: params);
+       return await this.client.call(HttpMethod.get, path: path, params: params);
     }
      /// Update team by its unique ID. Only team owners have write access for this
      /// resource.
-    Future<Response> update({teamId, name}) async {
+    Future<Response> update({@required String teamId, @required String name}) async {
        String path = '/teams/{teamId}'.replaceAll(RegExp('{teamId}'), teamId);
 
        Map<String, dynamic> params = {
          'name': name,
        };
 
-       return await this.client.call('put', path: path, params: params);
+       return await this.client.call(HttpMethod.put, path: path, params: params);
     }
      /// Delete team by its unique ID. Only team owners have write access for this
      /// resource.
-    Future<Response> delete({teamId}) async {
+    Future<Response> delete({@required String teamId}) async {
        String path = '/teams/{teamId}'.replaceAll(RegExp('{teamId}'), teamId);
 
        Map<String, dynamic> params = {
        };
 
-       return await this.client.call('delete', path: path, params: params);
+       return await this.client.call(HttpMethod.delete, path: path, params: params);
     }
      /// Get team members by the team unique ID. All team members have read access
      /// for this list of resources.
-    Future<Response> getMemberships({teamId}) async {
+    Future<Response> getMemberships({@required String teamId}) async {
        String path = '/teams/{teamId}/memberships'.replaceAll(RegExp('{teamId}'), teamId);
 
        Map<String, dynamic> params = {
        };
 
-       return await this.client.call('get', path: path, params: params);
+       return await this.client.call(HttpMethod.get, path: path, params: params);
     }
      /// Use this endpoint to invite a new member to join your team. An email with a
      /// link to join the team will be sent to the new member email address if the
@@ -89,7 +94,7 @@ class Teams extends Service {
      /// Attacks](https://github.com/OWASP/CheatSheetSeries/blob/master/cheatsheets/Unvalidated_Redirects_and_Forwards_Cheat_Sheet.md)
      /// the only valid redirect URL's are the once from domains you have set when
      /// added your platforms in the console interface.
-    Future<Response> createMembership({teamId, email, roles, url, name = null}) async {
+    Future<Response> createMembership({@required String teamId, @required String email, @required List roles, @required String url, String name = null}) async {
        String path = '/teams/{teamId}/memberships'.replaceAll(RegExp('{teamId}'), teamId);
 
        Map<String, dynamic> params = {
@@ -99,23 +104,23 @@ class Teams extends Service {
          'url': url,
        };
 
-       return await this.client.call('post', path: path, params: params);
+       return await this.client.call(HttpMethod.post, path: path, params: params);
     }
      /// This endpoint allows a user to leave a team or for a team owner to delete
      /// the membership of any other team member. You can also use this endpoint to
      /// delete a user membership even if he didn't accept it.
-    Future<Response> deleteMembership({teamId, inviteId}) async {
+    Future<Response> deleteMembership({@required String teamId, @required String inviteId}) async {
        String path = '/teams/{teamId}/memberships/{inviteId}'.replaceAll(RegExp('{teamId}'), teamId).replaceAll(RegExp('{inviteId}'), inviteId);
 
        Map<String, dynamic> params = {
        };
 
-       return await this.client.call('delete', path: path, params: params);
+       return await this.client.call(HttpMethod.delete, path: path, params: params);
     }
      /// Use this endpoint to allow a user to accept an invitation to join a team
      /// after he is being redirected back to your app from the invitation email he
      /// was sent.
-    Future<Response> updateMembershipStatus({teamId, inviteId, userId, secret}) async {
+    Future<Response> updateMembershipStatus({@required String teamId, @required String inviteId, @required String userId, @required String secret}) async {
        String path = '/teams/{teamId}/memberships/{inviteId}/status'.replaceAll(RegExp('{teamId}'), teamId).replaceAll(RegExp('{inviteId}'), inviteId);
 
        Map<String, dynamic> params = {
@@ -123,6 +128,6 @@ class Teams extends Service {
          'secret': secret,
        };
 
-       return await this.client.call('patch', path: path, params: params);
+       return await this.client.call(HttpMethod.patch, path: path, params: params);
     }
 }
\ No newline at end of file
diff --git a/app/sdks/flutter-dart/pubspec.yaml b/app/sdks/flutter-dart/pubspec.yaml
index 3cb67dc787..fca3f7f507 100644
--- a/app/sdks/flutter-dart/pubspec.yaml
+++ b/app/sdks/flutter-dart/pubspec.yaml
@@ -4,7 +4,7 @@ description: Appwrite backend as a service cuts up to 70% of the time and costs
 author: Appwrite Team <team@appwrite.io> 
 homepage: https://github.com/appwrite/sdk-for-dart
 environment:
-  sdk: '>=2.2.2 <3.0.0'
+  sdk: '>=2.6.0 <3.0.0'
 dependencies:
   dio: ^3.0.0
   cookie_jar: ^1.0.0
diff --git a/app/sdks/server-go/README.md b/app/sdks/server-go/README.md
index f11b213ddf..b9bbe4a077 100644
--- a/app/sdks/server-go/README.md
+++ b/app/sdks/server-go/README.md
@@ -1,7 +1,7 @@
 # Appwrite SDK for Go
 
 ![License](https://img.shields.io/github/license/appwrite/sdk-for-go.svg?v=1)
-![Version](https://img.shields.io/badge/api%20version-0.5.0-blue.svg?v=1)
+![Version](https://img.shields.io/badge/api%20version-0.5.3-blue.svg?v=1)
 
 **This SDK is compatible with Appwrite server version . For older versions, please check previous releases.**
 
@@ -19,6 +19,10 @@ To install using `go get`:
 go get github.com/appwrite/sdk-for-go
 ```
 
+## Contribution
+
+This library is auto-generated by Appwrite custom [SDK Generator](https://github.com/appwrite/sdk-generator). To learn more about how you can help us improve this SDK, please check the [contribution guide](https://github.com/appwrite/sdk-generator/blob/master/CONTRIBUTING.md) before sending a pull-request.
+
 ## License
 
 Please see the [BSD-3-Clause license](https://raw.githubusercontent.com/appwrite/appwrite/master/LICENSE) file for more information.
\ No newline at end of file
diff --git a/app/sdks/server-nodejs/README.md b/app/sdks/server-nodejs/README.md
index 3e0b06818b..76ba6d4de2 100644
--- a/app/sdks/server-nodejs/README.md
+++ b/app/sdks/server-nodejs/README.md
@@ -1,7 +1,7 @@
 # Appwrite SDK for NodeJS
 
 ![License](https://img.shields.io/github/license/appwrite/sdk-for-node.svg?v=1)
-![Version](https://img.shields.io/badge/api%20version-0.5.0-blue.svg?v=1)
+![Version](https://img.shields.io/badge/api%20version-0.5.3-blue.svg?v=1)
 
 Appwrite backend as a service cuts up to 70% of the time and costs required for building a modern application. We abstract and simplify common development tasks behind a REST APIs, to help you develop your app in a fast and secure way. For full API documentation and tutorials go to [https://appwrite.io/docs](https://appwrite.io/docs)
 
@@ -17,6 +17,10 @@ To install via [NPM](https://www.npmjs.com/):
 npm install node-appwrite --save
 ```
 
+## Contribution
+
+This library is auto-generated by Appwrite custom [SDK Generator](https://github.com/appwrite/sdk-generator). To learn more about how you can help us improve this SDK, please check the [contribution guide](https://github.com/appwrite/sdk-generator/blob/master/CONTRIBUTING.md) before sending a pull-request.
+
 ## License
 
 Please see the [BSD-3-Clause license](https://raw.githubusercontent.com/appwrite/appwrite/master/LICENSE) file for more information.
\ No newline at end of file
diff --git a/app/sdks/server-php/README.md b/app/sdks/server-php/README.md
index b0a8bc90bd..9470cf512d 100644
--- a/app/sdks/server-php/README.md
+++ b/app/sdks/server-php/README.md
@@ -1,7 +1,7 @@
 # Appwrite SDK for PHP
 
 ![License](https://img.shields.io/github/license/appwrite/sdk-for-php.svg?v=1)
-![Version](https://img.shields.io/badge/api%20version-0.5.0-blue.svg?v=1)
+![Version](https://img.shields.io/badge/api%20version-0.5.3-blue.svg?v=1)
 
 Appwrite backend as a service cuts up to 70% of the time and costs required for building a modern application. We abstract and simplify common development tasks behind a REST APIs, to help you develop your app in a fast and secure way. For full API documentation and tutorials go to [https://appwrite.io/docs](https://appwrite.io/docs)
 
@@ -17,6 +17,10 @@ To install via [Composer](http://getcomposer.org/):
 composer require appwrite/appwrite
 ```
 
+## Contribution
+
+This library is auto-generated by Appwrite custom [SDK Generator](https://github.com/appwrite/sdk-generator). To learn more about how you can help us improve this SDK, please check the [contribution guide](https://github.com/appwrite/sdk-generator/blob/master/CONTRIBUTING.md) before sending a pull-request.
+
 ## License
 
 Please see the [BSD-3-Clause license](https://raw.githubusercontent.com/appwrite/appwrite/master/LICENSE) file for more information.
\ No newline at end of file
diff --git a/app/sdks/server-python/README.md b/app/sdks/server-python/README.md
index 84ad580d4d..f6b4fec7ae 100644
--- a/app/sdks/server-python/README.md
+++ b/app/sdks/server-python/README.md
@@ -1,7 +1,7 @@
 # Appwrite SDK for Python
 
 ![License](https://img.shields.io/github/license/appwrite/sdk-for-python.svg?v=1)
-![Version](https://img.shields.io/badge/api%20version-0.5.0-blue.svg?v=1)
+![Version](https://img.shields.io/badge/api%20version-0.5.3-blue.svg?v=1)
 
 **This SDK is compatible with Appwrite server version . For older versions, please check previous releases.**
 
@@ -19,6 +19,10 @@ To install via [PyPI](https://pypi.org/):
 pip install appwrite
 ```
 
+## Contribution
+
+This library is auto-generated by Appwrite custom [SDK Generator](https://github.com/appwrite/sdk-generator). To learn more about how you can help us improve this SDK, please check the [contribution guide](https://github.com/appwrite/sdk-generator/blob/master/CONTRIBUTING.md) before sending a pull-request.
+
 ## License
 
 Please see the [BSD-3-Clause license](https://raw.githubusercontent.com/appwrite/appwrite/master/LICENSE) file for more information.
\ No newline at end of file
diff --git a/app/sdks/server-ruby/README.md b/app/sdks/server-ruby/README.md
index 67e7a0fb24..3787c28124 100644
--- a/app/sdks/server-ruby/README.md
+++ b/app/sdks/server-ruby/README.md
@@ -1,7 +1,7 @@
 # Appwrite SDK for Ruby
 
 ![License](https://img.shields.io/github/license/appwrite/sdk-for-ruby.svg?v=1)
-![Version](https://img.shields.io/badge/api%20version-0.5.0-blue.svg?v=1)
+![Version](https://img.shields.io/badge/api%20version-0.5.3-blue.svg?v=1)
 
 **This SDK is compatible with Appwrite server version . For older versions, please check previous releases.**
 
@@ -19,6 +19,10 @@ To install via [Gem](https://rubygems.org/):
 gem install appwrite --save
 ```
 
+## Contribution
+
+This library is auto-generated by Appwrite custom [SDK Generator](https://github.com/appwrite/sdk-generator). To learn more about how you can help us improve this SDK, please check the [contribution guide](https://github.com/appwrite/sdk-generator/blob/master/CONTRIBUTING.md) before sending a pull-request.
+
 ## License
 
 Please see the [BSD-3-Clause license](https://raw.githubusercontent.com/appwrite/appwrite/master/LICENSE) file for more information.
\ No newline at end of file
diff --git a/app/sdks/web-javascript/README.md b/app/sdks/web-javascript/README.md
index 886401014c..26cb9154da 100644
--- a/app/sdks/web-javascript/README.md
+++ b/app/sdks/web-javascript/README.md
@@ -1,7 +1,7 @@
 # Appwrite SDK for JavaScript
 
 ![License](https://img.shields.io/github/license/appwrite/sdk-for-js.svg?v=1)
-![Version](https://img.shields.io/badge/api%20version-0.5.0-blue.svg?v=1)
+![Version](https://img.shields.io/badge/api%20version-0.5.3-blue.svg?v=1)
 
 Appwrite backend as a service cuts up to 70% of the time and costs required for building a modern application. We abstract and simplify common development tasks behind a REST APIs, to help you develop your app in a fast and secure way. For full API documentation and tutorials go to [https://appwrite.io/docs](https://appwrite.io/docs)
 
@@ -33,6 +33,10 @@ To install with a CDN (content delivery network) add the following scripts to th
 
 
 
+## Contribution
+
+This library is auto-generated by Appwrite custom [SDK Generator](https://github.com/appwrite/sdk-generator). To learn more about how you can help us improve this SDK, please check the [contribution guide](https://github.com/appwrite/sdk-generator/blob/master/CONTRIBUTING.md) before sending a pull-request.
+
 ## License
 
 Please see the [BSD-3-Clause license](https://raw.githubusercontent.com/appwrite/appwrite/master/LICENSE) file for more information.
\ No newline at end of file
diff --git a/app/tasks/sdks.php b/app/tasks/sdks.php
index 7b3866ff81..c768bf48ca 100644
--- a/app/tasks/sdks.php
+++ b/app/tasks/sdks.php
@@ -15,6 +15,7 @@ use Appwrite\SDK\Language\Python;
 use Appwrite\SDK\Language\Ruby;
 use Appwrite\SDK\Language\Dart;
 use Appwrite\SDK\Language\Go;
+use Appwrite\SDK\Language\Typescript;
 
 $cli = new CLI();
 
@@ -40,6 +41,7 @@ $cli
 
         $platforms = include __DIR__ . '/../config/platforms.php';
         $message = Console::confirm('Please enter your commit message:');
+        $production = (Console::confirm('Type "Appwrite" to deploy for production') == 'Appwrite');
 
         foreach($platforms as $key => $platform) {
             foreach($platform['languages'] as $language) {
@@ -51,7 +53,7 @@ $cli
                 Console::info('Fetching API Spec for '.$language['name'].' for '.$platform['name']);
                 
                 //$spec = getSSLPage('http://localhost/v1/open-api-2.json?extensions=1&platform='.$language['family']);
-                $spec = getSSLPage('https://stage.appwrite.io/v1/open-api-2.json?extensions=1&platform='.$language['family']);
+                $spec = getSSLPage('https://appwrite.io/v1/open-api-2.json?extensions=1&platform='.$language['family']);
 
                 $result = realpath(__DIR__.'/..').'/sdks/'.$key.'-'.$language['key'];
                 $target = realpath(__DIR__.'/..').'/sdks/git/'.$language['key'].'/';
@@ -87,6 +89,13 @@ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
                             ->setBowerPackage('appwrite')
                         ;
                         break;
+                    case 'typescript':
+                        $config = new Typescript();
+                        $config
+                            ->setNPMPackage('appwrite')
+                            ->setBowerPackage('appwrite')
+                        ;
+                        break;
                     case 'nodejs':
                         $config = new Node();
                         $config
@@ -157,7 +166,9 @@ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
                     continue;
                 }
 
-                #$gitUrl = 'git@github.com:aw-tests/'.$language['gitRepoName'].'.git';
+                if(!$production) {
+                    $gitUrl = 'git@github.com:aw-tests/'.$language['gitRepoName'].'.git';
+                }
 
                 exec('rm -rf '.$target.' && \
                     mkdir -p '.$target.' && \