diff --git a/src/AsteriskAPIManager/api_manager.py b/src/AsteriskAPIManager/api_manager.py
new file mode 100644
index 0000000..8286ada
--- /dev/null
+++ b/src/AsteriskAPIManager/api_manager.py
@@ -0,0 +1,60 @@
+import uuid
+from enum import Enum
+from datetime import datetime
+
+import aiohttp
+
+from data_models import *
+
+
+class AsteriskManagerClient:
+    def __init__(self, base_url: str, auth_key: Optional[str] = None, token: Optional[str] = None):
+        self.base_url = base_url.rstrip('/')
+        self.token: Optional[str] = None
+        if token:
+            self.token = token
+        
+        if auth_key and not token:
+            self.auth_key = auth_key
+        else:
+            self.auth_key = None
+        
+        if not self.token and not self.auth_key:
+            raise ValueError("Either token or auth_key must be provided")
+
+
+    async def _request(self, method: str, endpoint: str, **kwargs) -> Dict[str, Any]:
+        headers = kwargs.get('headers', {})
+        if self.token:
+            headers['Authorization'] = f'Bearer {self.token}'
+        async with aiohttp.ClientSession() as session:
+            async with session.request(method, f"{self.base_url}{endpoint}", **kwargs) as response:
+                if response.status >= 400:
+                    error_data = await response.json()
+                    raise Exception(f"API Error {response.status}: {error_data}")
+                return await response.json()
+
+    
+    async def register_manager(self, auth_key: Optional[str] = None) -> AccessResponse:
+        if auth_key is None and self.auth_key is None:
+            raise ValueError("Auth key is required for registration")
+        auth_key = auth_key or self.auth_key
+        data = Registration(auth_key=auth_key).dict()
+        response = await self._request('POST', '/asterisk_manager/register', json=data)
+        access_response = AccessResponse(**response)
+        self.token = access_response.token
+        return access_response
+
+
+    async def get_sip_accounts(self, **params) -> List[SIPAccount]:
+        response = await self._request('GET', '/sip/', params=params)
+        return [SIPAccount(**account) for account in response]
+
+    async def get_sip_account(self, account_id: int) -> SIPAccount:
+        response = await self._request('GET', f'/sip/{account_id}')
+        return SIPAccount(**response)
+
+    async def set_sip_register_status(self, account_id: int, is_registered: bool):
+        data = {"is_registered": is_registered}
+        response = await self._request('PATCH', f'/sip/{account_id}', json=data)
+        return SIPAccount(**response)
\ No newline at end of file
diff --git a/src/AsteriskAPIManager/data_models.py b/src/AsteriskAPIManager/data_models.py
index 5ec292b..11143ed 100644
--- a/src/AsteriskAPIManager/data_models.py
+++ b/src/AsteriskAPIManager/data_models.py
@@ -59,8 +59,7 @@ class SIPAccount(BaseModel):
     is_registered: bool = Field(default=False, description="Зарегистрирован")
     username: str = Field(max_length=40, description="Имя SIP клиента", example="user123")
     password: Optional[str] = Field(max_length=80, null=True, blank=True, description="Пароль (открытый, временно)")
-    enc_password: Optional[bytes] = Field(null=True, blank=True, description="Зашифрованный пароль")
-
+    
     server_url: str = Field(
         max_length=215,
         description="URL сервера",
@@ -120,4 +119,13 @@ class SIPAccount(BaseModel):
 
     class Config:
         extra = "forbid"
-        from_attributes = True
\ No newline at end of file
+        from_attributes = True
+
+
+
+class AccessResponse(BaseModel):
+    success: bool
+    token: str
+
+class Registration(BaseModel):
+    auth_key: str
\ No newline at end of file