diff --git a/README.md b/README.md
index 585b58e..dfc521d 100644
--- a/README.md
+++ b/README.md
@@ -41,6 +41,12 @@ response = sendblue.send_message('+19998887777', 'Hello from Sendblue!', send_st
 response = sendblue.send_group_message(['+19998887777', '+19998887778'], 'Hello from Sendblue!', send_style='invisible', media_url='https://source.unsplash.com/random.png', status_callback='https://example.com/callback')
 ```
 
+### Get Message
+
+```python
+response = sendblue.get_message('message_id')
+```
+
 ### Modify Group
 
 ```python
@@ -57,4 +63,28 @@ response = sendblue.lookup('+19998887777')
 
 ```python
 response = sendblue.send_typing_indicator('+19998887777')
+```
+
+### Get Contacts
+
+```python
+response = sendblue.get_contacts()
+```
+
+### Create Contact
+
+```python
+response = sendblue.create_contact('+19998887777', 'First Name', 'Last Name', 'Company Name')
+```
+
+### Delete Contact
+
+```python
+response = sendblue.delete_contact('contact_id')
+```
+
+### Get Messages
+
+```python
+response = sendblue.get_messages('contact_id')
 ```
\ No newline at end of file
diff --git a/sendblue/__init__.py b/sendblue/__init__.py
index b6d63bc..ffc14e6 100644
--- a/sendblue/__init__.py
+++ b/sendblue/__init__.py
@@ -1 +1 @@
-from .sendblue import Sendblue
+from .sendblue import Sendblue
\ No newline at end of file
diff --git a/sendblue/sendblue.py b/sendblue/sendblue.py
index d72447c..c888cfb 100644
--- a/sendblue/sendblue.py
+++ b/sendblue/sendblue.py
@@ -2,26 +2,21 @@
 
 class Sendblue:
     def __init__(self, api_key: str, api_secret: str) -> None:
-        self.api_key = api_key
-        self.api_secret = api_secret
-        self.base_url = 'https://api.sendblue.co/api'
-
-    def request(self, endpoint: str, data: dict = None) -> dict:
-        url = self.base_url + endpoint
-        headers = {
-            'sb-api-key-id': self.api_key,
-            'sb-api-secret-key': self.api_secret,
+        self.base_url = 'https://api.sendblue.co'
+        self.session = requests.Session()
+        self.session.headers = {
+            'sb-api-key-id': api_key,
+            'sb-api-secret-key': api_secret,
             'Content-Type': 'application/json'
         }
-
-        if data:
-            response = requests.post(url, headers=headers, json=data)
-        else:
-            response = requests.get(url, headers=headers)
-
-        if not response.ok:
-            raise Exception("Error: " + response.text)
-
+    
+    def request(self, method: str, endpoint: str, data: dict = None):
+        url = self.base_url + endpoint
+        response = self.session.request(method, url, json=data)
+        try:    
+            response.raise_for_status()
+        except requests.exceptions.HTTPError as e:
+            print(e, response.text)
         return response.json()
 
     def send_message(self, number: str, content: str, send_style: str = None, media_url: str = None, status_callback: str = None):
@@ -32,7 +27,7 @@ def send_message(self, number: str, content: str, send_style: str = None, media_
             'media_url': media_url,
             'status_callback': status_callback
         }
-        return self.request('/send-message', data)
+        return self.request('post', '/api/send-message', data)
 
     def send_group_message(self, numbers: list[str], content: str, group_id: str = None, send_style: str = None, media_url: str = None, status_callback: str = None):
         data = {
@@ -43,7 +38,10 @@ def send_group_message(self, numbers: list[str], content: str, group_id: str = N
             'media_url': media_url,
             'status_callback': status_callback
         }
-        return self.request('/send-group-message', data)
+        return self.request('post', '/api/send-group-message', data)
+
+    def get_message(self, message_id: str):
+        return self.request('get', f'/api/message/{message_id}')
 
     def modify_group(self, group_id: str, modify_type: str, number: str):
         data = {
@@ -51,13 +49,31 @@ def modify_group(self, group_id: str, modify_type: str, number: str):
             "modify_type": modify_type,
             "number": number
         }
-        return self.request('/modify-group', data)
+        return self.request('post', '/modify-group', data)
 
     def lookup(self, number: str):
-        return self.request(f'/evaluate-service?number={number}')
+        return self.request('get', f'/api/evaluate-service?number={number}')
 
     def send_typing_indicator(self, number: str):
         data = {
             'number': number
         }
-        return self.request(f'/send-typing-indicator?number={number}', data)
+        return self.request('post', f'/api/send-typing-indicator?number={number}', data)
+    
+    def get_contacts(self):
+        return self.request('get', '/accounts/contacts')
+
+    def create_contact(self, number: str, first_name: str = None, last_name: str = None, company_name: str = None):
+        data = {
+            'number': number,
+            'firstName': first_name,
+            'lastName': last_name,
+            'companyName': company_name
+        }
+        return self.request('post', '/accounts/contacts', data)
+
+    def delete_contact(self, contact_id: str):
+        return self.request('delete', f'/accounts/contacts/{contact_id}')
+
+    def get_messages(self, contact_id: str):
+        return self.request('get', f'/accounts/messages?cid={contact_id}')
\ No newline at end of file