diff --git a/sendgrid/__init__.py b/sendgrid/__init__.py
index cd994dd2..37413b58 100644
--- a/sendgrid/__init__.py
+++ b/sendgrid/__init__.py
@@ -18,7 +18,6 @@
 from .helpers.endpoints import *  # noqa
 from .helpers.mail import *  # noqa
 from .helpers.stats import *  # noqa
-from .helpers.eventwebhook import * # noqa
+from .helpers.eventwebhook import *  # noqa
 from .sendgrid import SendGridAPIClient  # noqa
 from .twilio_email import TwilioEmailAPIClient  # noqa
-from .version import __version__
diff --git a/sendgrid/base/__init__.py b/sendgrid/base/__init__.py
index 5a4589bb..143f486c 100644
--- a/sendgrid/base/__init__.py
+++ b/sendgrid/base/__init__.py
@@ -1,5 +1 @@
-import os
-import platform
-
 # __init__.py
-
diff --git a/sendgrid/base/auth_strategy.py b/sendgrid/base/auth_strategy.py
index 1a443b78..bf23ebdb 100644
--- a/sendgrid/base/auth_strategy.py
+++ b/sendgrid/base/auth_strategy.py
@@ -1,14 +1,12 @@
-
-
- # Handle different of authentications, Currently sendgrid authenticate using apikey.
+# Handle different of authentications, Currently sendgrid authenticate using apikey.
 # class AuthStrategy:
 #     def authenticate(self):
 #         print('Not yet implemented')
-#         
-# 
+#
+#
 # class ApiKeyAuthStrategy(AuthStrategy):
 #     def __init__(self, api_key):
 #         self.api_key = api_key
 #         print('init ApiKeyAuthStrategy')
 #     def authenticate(self, api_key):
-#         print(f"Authenticating {api_key} using Token Authentication.")
\ No newline at end of file
+#         print(f"Authenticating {api_key} using Token Authentication.")
diff --git a/sendgrid/base/client_base.py b/sendgrid/base/client_base.py
index 75f45449..387fba9b 100644
--- a/sendgrid/base/client_base.py
+++ b/sendgrid/base/client_base.py
@@ -1,9 +1,7 @@
 class ClientBase:
 
     def __init__(self):
-        print('Creating ClientBase class')
+        print("Creating ClientBase class")
 
     def request(self):
-        print('Making request')
-    
-        
\ No newline at end of file
+        print("Making request")
diff --git a/sendgrid/base/url_builder.py b/sendgrid/base/url_builder.py
new file mode 100644
index 00000000..49f682a6
--- /dev/null
+++ b/sendgrid/base/url_builder.py
@@ -0,0 +1,16 @@
+def build_url(url: str, region: str) -> str:
+    base_url = "https://api.sendgrid.com"
+
+    if region and isinstance(region, str):
+        new_url = f"https://api.{region}.sendgrid.com"
+    else:
+        new_url = base_url
+
+    # Ensure that there's a '/' before appending the url
+    if not new_url.endswith('/'):
+        new_url += '/'
+
+    new_url += url.lstrip('/')
+
+    return new_url
+
diff --git a/sendgrid/client.py b/sendgrid/client.py
index b0885f6a..a04ec889 100644
--- a/sendgrid/client.py
+++ b/sendgrid/client.py
@@ -1,37 +1,33 @@
-import os
-import platform
-from typing import Dict, List, MutableMapping, Optional, Tuple
-from urllib.parse import urlparse, urlunparse
-import json
+from typing import List, Optional
 from sendgrid.http.http_client import SendgridHttpClient, HttpClient
 from sendgrid.http.request import Request
-
-
+from sendgrid.base.url_builder import build_url
 
 # class AuthStrategy:
 #     def authenticate(self):
 #         pass
-# 
-# 
+#
+#
 # class ApiKeyAuthStrategy(AuthStrategy):
 #     def __init__(self, api_key):
 #         self.api_key = api_key
-# 
+#
 #     def authenticate(
 #             self,
 #             headers: Optional[Dict[str, str]] = None
 #     ):
 #         headers["Authorization"] = f"Bearer {self.api_key}"
-# 
+#
+
 
 class Client:
     def __init__(
-            self,
-            api_key: str,
-            region: Optional[str] = None,
-            edge: Optional[str] = None,
-            http_client: Optional[HttpClient] = None,
-            user_agent_extensions: Optional[List[str]] = None
+        self,
+        api_key: str,
+        region: Optional[str] = None,
+        edge: Optional[str] = None,
+        http_client: Optional[HttpClient] = None,
+        user_agent_extensions: Optional[List[str]] = None,
     ):
         self.api_key = api_key
         self.region = region
@@ -40,7 +36,12 @@ def __init__(
         self.http_client: SendgridHttpClient = SendgridHttpClient()
 
     def send(self, request: Request):
+        url = build_url(request.url, self.region)
         response = self.http_client.request(
-            method='POST', url=request.url, data=request.data, headers=request.headers, api_key=self.api_key
+            method=request.method,
+            url=url,
+            data=request.data,
+            headers=request.headers,
+            api_key=self.api_key,
         )
-        return response
+        return response
\ No newline at end of file
diff --git a/sendgrid/converters/serialize.py b/sendgrid/converters/serialize.py
index 7a5a808b..57e36069 100644
--- a/sendgrid/converters/serialize.py
+++ b/sendgrid/converters/serialize.py
@@ -5,14 +5,19 @@
 
 def to_serializable(obj):
     if isinstance(obj, list):
-        return [to_serializable(item) for item in obj if item is not None]  # Remove None from lists
+        return [
+            to_serializable(item) for item in obj if item is not None
+        ]  # Remove None from lists
     elif isinstance(obj, dict):
-        return {key: to_serializable(value) for key, value in obj.items() if
-                value is not None}  # Remove None from dicts
-    elif hasattr(obj, 'to_dict'):
+        return {
+            key: to_serializable(value)
+            for key, value in obj.items()
+            if value is not None
+        }  # Remove None from dicts
+    elif hasattr(obj, "to_dict"):
         return obj.to_dict()
     elif isinstance(obj, Enum):
-        return obj.name
+        return obj.value
     else:
         return obj
 
@@ -23,12 +28,16 @@ def from_serializable(data, cls=None):
     If `cls` is provided, it will instantiate the class using the dictionary values.
     """
     if isinstance(data, list):
-        return [from_serializable(item, cls) for item in data]  # Recursively handle lists
+        return [
+            from_serializable(item, cls) for item in data
+        ]  # Recursively handle lists
     elif isinstance(data, dict):
         if cls:
             # If a class is provided, instantiate it using the dictionary
             return cls(**{key: from_serializable(value) for key, value in data.items()})
         else:
-            return {key: from_serializable(value) for key, value in data.items()}  # Recursively handle dicts
+            return {
+                key: from_serializable(value) for key, value in data.items()
+            }  # Recursively handle dicts
     else:
         return data  # Return primitive types as is
diff --git a/sendgrid/http/__init__.py b/sendgrid/http/__init__.py
index 504eb219..8b137891 100644
--- a/sendgrid/http/__init__.py
+++ b/sendgrid/http/__init__.py
@@ -1,5 +1 @@
 
-from logging import Logger
-from typing import Any, Dict, Optional, Tuple
-from urllib.parse import urlencode
-
diff --git a/sendgrid/http/http_client.py b/sendgrid/http/http_client.py
index af2e7167..5e802fca 100644
--- a/sendgrid/http/http_client.py
+++ b/sendgrid/http/http_client.py
@@ -30,15 +30,15 @@ def __init__(self, logger: Logger, is_async: bool, timeout: Optional[float] = No
     """
 
     def request(
-            self,
-            method: str,
-            uri: str,
-            params: Optional[Dict[str, object]] = None,
-            data: Optional[Dict[str, object]] = None,
-            headers: Optional[Dict[str, str]] = None,
-            auth: Optional[Tuple[str, str]] = None,
-            timeout: Optional[float] = None,
-            allow_redirects: bool = False,
+        self,
+        method: str,
+        uri: str,
+        params: Optional[Dict[str, object]] = None,
+        data: Optional[Dict[str, object]] = None,
+        headers: Optional[Dict[str, str]] = None,
+        auth: Optional[Tuple[str, str]] = None,
+        timeout: Optional[float] = None,
+        allow_redirects: bool = False,
     ) -> Response:
         """
         Make an HTTP request.
@@ -84,15 +84,15 @@ class AsyncHttpClient(HttpClient):
     """
 
     async def request(
-            self,
-            method: str,
-            uri: str,
-            params: Optional[Dict[str, object]] = None,
-            data: Optional[Dict[str, object]] = None,
-            headers: Optional[Dict[str, str]] = None,
-            auth: Optional[Tuple[str, str]] = None,
-            timeout: Optional[float] = None,
-            allow_redirects: bool = False,
+        self,
+        method: str,
+        uri: str,
+        params: Optional[Dict[str, object]] = None,
+        data: Optional[Dict[str, object]] = None,
+        headers: Optional[Dict[str, str]] = None,
+        auth: Optional[Tuple[str, str]] = None,
+        timeout: Optional[float] = None,
+        allow_redirects: bool = False,
     ) -> Response:
         """
         Make an asynchronous HTTP request.
@@ -106,13 +106,13 @@ class SendgridHttpClient(HttpClient):
     """
 
     def __init__(
-            self,
-            pool_connections: bool = True,
-            request_hooks: Optional[Dict[str, object]] = None,
-            timeout: Optional[float] = None,
-            logger: logging.Logger = _logger,
-            proxy: Optional[Dict[str, str]] = None,
-            max_retries: Optional[int] = None,
+        self,
+        pool_connections: bool = True,
+        request_hooks: Optional[Dict[str, object]] = None,
+        timeout: Optional[float] = None,
+        logger: logging.Logger = _logger,
+        proxy: Optional[Dict[str, str]] = None,
+        max_retries: Optional[int] = None,
     ):
         """
         Constructor for the TwilioHttpClient
@@ -136,20 +136,20 @@ def __init__(
         self.proxy = proxy if proxy else {}
 
     def request(
-            self,
-            method: str,
-            url: str,
-            api_key: str = None,
-            params: Optional[Dict[str, object]] = None,
-            data: Optional[Dict[str, object]] = None,
-            headers: Optional[Dict[str, str]] = None,
-            timeout: Optional[float] = None,
-            allow_redirects: bool = False,
+        self,
+        method: str,
+        url: str,
+        api_key: str = None,
+        params: Optional[Dict[str, object]] = None,
+        data: Optional[Dict[str, object]] = None,
+        headers: Optional[Dict[str, str]] = None,
+        timeout: Optional[float] = None,
+        allow_redirects: bool = False,
     ) -> Response:
         """
         Make an HTTP Request with parameters provided.
 
-        :param api_key: 
+        :param api_key:
         :param method: The HTTP method to use
         :param url: The URL to request
         :param params: Query parameters to append to the URL
@@ -167,7 +167,9 @@ def request(
             raise ValueError(timeout)
 
         headers["Authorization"] = f"Bearer {api_key}"
-        #auth.authenticate()
+        # Currently supporting 'application/json' content type
+        headers["Content-Type"] = "application/json"
+        # auth.authenticate()
         kwargs = {
             "method": method.upper(),
             "url": url,
@@ -185,7 +187,7 @@ def request(
         session = self.session or Session()
         request = Request(**kwargs)
         self._test_only_last_request = Request(**kwargs)
-        
+
         prepped_request = session.prepare_request(request)
 
         settings = session.merge_environment_settings(
@@ -196,7 +198,7 @@ def request(
             prepped_request,
             allow_redirects=allow_redirects,
             timeout=timeout,
-            **settings
+            **settings,
         )
         print(response)
         print(response.status_code)
diff --git a/sendgrid/http/request.py b/sendgrid/http/request.py
index 7279243b..d157d2ef 100644
--- a/sendgrid/http/request.py
+++ b/sendgrid/http/request.py
@@ -9,14 +9,14 @@ class Match(Enum):
 
 class Request(object):
     def __init__(
-            self,
-            method: Union[str, Match] = Match.ANY,
-            url: Union[str, Match] = Match.ANY,
-            auth: Union[Tuple[str, str], Match] = Match.ANY,
-            params: Union[Dict[str, str], Match] = Match.ANY,
-            data: Union[Dict[str, str], Match] = Match.ANY,
-            headers: Union[Dict[str, str], Match] = Match.ANY,
-            **kwargs: Any
+        self,
+        method: Union[str, Match] = Match.ANY,
+        url: Union[str, Match] = Match.ANY,
+        auth: Union[Tuple[str, str], Match] = Match.ANY,
+        params: Union[Dict[str, str], Match] = Match.ANY,
+        data: Union[Dict[str, str], Match] = Match.ANY,
+        headers: Union[Dict[str, str], Match] = Match.ANY,
+        **kwargs: Any
     ):
         self.method = method
         if method and method is not Match.ANY:
@@ -43,12 +43,12 @@ def __eq__(self, other) -> bool:
             return False
 
         return (
-                self.attribute_equal(self.method, other.method)
-                and self.attribute_equal(self.url, other.url)
-                and self.attribute_equal(self.auth, other.auth)
-                and self.attribute_equal(self.params, other.params)
-                and self.attribute_equal(self.data, other.data)
-                and self.attribute_equal(self.headers, other.headers)
+            self.attribute_equal(self.method, other.method)
+            and self.attribute_equal(self.url, other.url)
+            and self.attribute_equal(self.auth, other.auth)
+            and self.attribute_equal(self.params, other.params)
+            and self.attribute_equal(self.data, other.data)
+            and self.attribute_equal(self.headers, other.headers)
         )
 
     def __str__(self) -> str:
diff --git a/sendgrid/http/response.py b/sendgrid/http/response.py
index 8c947516..5cb61a1d 100644
--- a/sendgrid/http/response.py
+++ b/sendgrid/http/response.py
@@ -9,10 +9,10 @@ class HTTPStatus:
 
 class Response(object):
     def __init__(
-            self,
-            status_code: int,
-            text: str,
-            headers: Optional[Any] = None,
+        self,
+        status_code: int,
+        text: str,
+        headers: Optional[Any] = None,
     ):
         self.content = text
         self.headers = headers
@@ -32,12 +32,7 @@ def __str__(self) -> str:
 
 
 class ApiResponse(object):
-    def __init__(
-            self,
-            status_code,
-            model,
-            headers
-    ):
+    def __init__(self, status_code, model, headers):
         self.status_code = status_code
         self.model = model
         self.headers = headers
diff --git a/sendgrid/utility/__init__.py b/sendgrid/utility/__init__.py
index b423c836..638e153c 100644
--- a/sendgrid/utility/__init__.py
+++ b/sendgrid/utility/__init__.py
@@ -10,4 +10,3 @@ def parse_response(self, response: Response) -> Any:
         raise self.exception(response, "Unable to create record")
 
     return json.loads(response.text)
-