diff --git a/custom_components/ha_text_ai/__init__.py b/custom_components/ha_text_ai/__init__.py
index 4067724..2abdf3e 100644
--- a/custom_components/ha_text_ai/__init__.py
+++ b/custom_components/ha_text_ai/__init__.py
@@ -18,6 +18,7 @@ from homeassistant.helpers import config_validation as cv
 from homeassistant.helpers import aiohttp_client
 
 from .coordinator import HATextAICoordinator
+from .api_client import APIClient
 from .const import (
     DOMAIN,
     PLATFORMS,
@@ -68,11 +69,9 @@ SERVICE_SCHEMA_GET_HISTORY = vol.Schema({
 
 def get_coordinator_by_instance(hass: HomeAssistant, instance: str) -> HATextAICoordinator:
     """Get coordinator by instance name."""
-    # Убираем префикс "sensor." если он есть
     if instance.startswith("sensor."):
         instance = instance.replace("sensor.ha_text_ai_", "", 1)
 
-    # Ищем координатор по instance_name
     for entry_id, coord in hass.data[DOMAIN].items():
         if isinstance(coord, HATextAICoordinator) and coord.instance_name.lower() == instance.lower():
             return coord
@@ -225,14 +224,16 @@ async def async_setup_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
         if not await async_check_api(session, endpoint, headers, api_provider):
             raise ConfigEntryNotReady("API connection failed")
 
+        _LOGGER.debug("Creating API client for %s with endpoint %s", api_provider, endpoint)
+
         # Создаем API клиент
-        api_client = {
-            "session": session,
-            "endpoint": endpoint,
-            "headers": headers,
-            "api_provider": api_provider,
-            "model": model,
-        }
+        api_client = APIClient(
+            session=session,
+            endpoint=endpoint,
+            headers=headers,
+            api_provider=api_provider,
+            model=model,
+        )
 
         coordinator = HATextAICoordinator(
             hass=hass,
@@ -245,15 +246,20 @@ async def async_setup_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
             is_anthropic=is_anthropic,
         )
 
-        # Инициализация координатора
         await coordinator.async_config_entry_first_refresh()
 
-        # Сохраняем координатор
         hass.data.setdefault(DOMAIN, {})
         hass.data[DOMAIN][entry.entry_id] = coordinator
 
-        # Загружаем платформы
         await hass.config_entries.async_forward_entry_setups(entry, PLATFORMS)
+
+        _LOGGER.info(
+            "Successfully set up %s instance '%s' with model %s",
+            api_provider,
+            instance_name,
+            model
+        )
+
         return True
 
     except Exception as ex:
@@ -265,6 +271,10 @@ async def async_unload_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
     try:
         if entry.entry_id in hass.data[DOMAIN]:
             coordinator = hass.data[DOMAIN][entry.entry_id]
+
+            if hasattr(coordinator.client, 'shutdown'):
+                await coordinator.client.shutdown()
+
             await coordinator.async_shutdown()
             hass.data[DOMAIN].pop(entry.entry_id)
 
diff --git a/custom_components/ha_text_ai/api_client.py b/custom_components/ha_text_ai/api_client.py
new file mode 100644
index 0000000..eb4806c
--- /dev/null
+++ b/custom_components/ha_text_ai/api_client.py
@@ -0,0 +1,128 @@
+"""API Client for HA Text AI."""
+import logging
+from typing import Any, Dict, List, Optional
+
+from homeassistant.core import HomeAssistant
+from homeassistant.exceptions import HomeAssistantError
+
+_LOGGER = logging.getLogger(__name__)
+
+class APIClient:
+    """API Client for OpenAI and Anthropic."""
+
+    def __init__(
+        self,
+        session: Any,
+        endpoint: str,
+        headers: Dict[str, str],
+        api_provider: str,
+        model: str,
+    ) -> None:
+        """Initialize API client."""
+        self.session = session
+        self.endpoint = endpoint
+        self.headers = headers
+        self.api_provider = api_provider
+        self.model = model
+
+    async def create(
+        self,
+        model: str,
+        messages: List[Dict[str, str]],
+        temperature: float,
+        max_tokens: int,
+    ) -> Dict[str, Any]:
+        """Create completion using appropriate API."""
+        try:
+            if self.api_provider == "anthropic":
+                return await self._create_anthropic_completion(
+                    model, messages, temperature, max_tokens
+                )
+            else:
+                return await self._create_openai_completion(
+                    model, messages, temperature, max_tokens
+                )
+        except Exception as e:
+            _LOGGER.error("API request failed: %s", str(e))
+            raise HomeAssistantError(f"API request failed: {str(e)}")
+
+    async def _create_openai_completion(
+        self,
+        model: str,
+        messages: List[Dict[str, str]],
+        temperature: float,
+        max_tokens: int,
+    ) -> Dict[str, Any]:
+        """Create completion using OpenAI API."""
+        url = f"{self.endpoint}/chat/completions"
+        payload = {
+            "model": model,
+            "messages": messages,
+            "temperature": temperature,
+            "max_tokens": max_tokens,
+        }
+
+        async with self.session.post(url, json=payload, headers=self.headers) as response:
+            if response.status != 200:
+                error_data = await response.json()
+                raise HomeAssistantError(f"OpenAI API error: {error_data}")
+
+            data = await response.json()
+            return {
+                "choices": [
+                    {
+                        "message": {
+                            "content": data["choices"][0]["message"]["content"]
+                        }
+                    }
+                ],
+                "usage": {
+                    "prompt_tokens": data["usage"]["prompt_tokens"],
+                    "completion_tokens": data["usage"]["completion_tokens"],
+                    "total_tokens": data["usage"]["total_tokens"]
+                }
+            }
+
+    async def _create_anthropic_completion(
+        self,
+        model: str,
+        messages: List[Dict[str, str]],
+        temperature: float,
+        max_tokens: int,
+    ) -> Dict[str, Any]:
+        """Create completion using Anthropic API."""
+        url = f"{self.endpoint}/v1/messages"
+
+        # Convert messages to Anthropic format
+        system_prompt = next((msg["content"] for msg in messages if msg["role"] == "system"), None)
+        conversation = [msg for msg in messages if msg["role"] != "system"]
+
+        payload = {
+            "model": model,
+            "messages": conversation,
+            "max_tokens": max_tokens,
+            "temperature": temperature,
+        }
+        if system_prompt:
+            payload["system"] = system_prompt
+
+        async with self.session.post(url, json=payload, headers=self.headers) as response:
+            if response.status != 200:
+                error_data = await response.json()
+                raise HomeAssistantError(f"Anthropic API error: {error_data}")
+
+            data = await response.json()
+            return {
+                "choices": [
+                    {
+                        "message": {
+                            "content": data["content"][0]["text"]
+                        }
+                    }
+                ],
+                "usage": {
+                    "prompt_tokens": data["usage"]["input_tokens"],
+                    "completion_tokens": data["usage"]["output_tokens"],
+                    "total_tokens": data["usage"]["input_tokens"] + data["usage"]["output_tokens"]
+                }
+            }
diff --git a/custom_components/ha_text_ai/coordinator.py b/custom_components/ha_text_ai/coordinator.py
index 8dcbb44..8516a98 100644
--- a/custom_components/ha_text_ai/coordinator.py
+++ b/custom_components/ha_text_ai/coordinator.py
@@ -1,23 +1,49 @@
-"""DataUpdateCoordinator for HA Text AI."""
-from datetime import timedelta
+"""The HA Text AI integration."""
+from __future__ import annotations
+
 import logging
-from typing import Any, Dict, List, Optional
+import os
+import shutil
+from datetime import datetime, timedelta
+from typing import Any, Dict
 
-from homeassistant.core import HomeAssistant
-from homeassistant.exceptions import HomeAssistantError
-from homeassistant.helpers.update_coordinator import DataUpdateCoordinator
-from homeassistant.util import dt as dt_util
+import voluptuous as vol
+from async_timeout import timeout
 
+from homeassistant.config_entries import ConfigEntry
+from homeassistant.const import CONF_API_KEY, CONF_NAME, Platform
+from homeassistant.core import HomeAssistant, ServiceCall
+from homeassistant.exceptions import ConfigEntryNotReady, HomeAssistantError
+from homeassistant.helpers import config_validation as cv
+from homeassistant.helpers import aiohttp_client
+
+from .coordinator import HATextAICoordinator
+from .api_client import APIClient
 from .const import (
     DOMAIN,
-    STATE_READY,
-    STATE_PROCESSING,
-    STATE_ERROR,
-    STATE_RATE_LIMITED,
-    STATE_MAINTENANCE,
+    PLATFORMS,
+    CONF_MODEL,
+    CONF_TEMPERATURE,
+    CONF_MAX_TOKENS,
+    CONF_API_ENDPOINT,
+    CONF_REQUEST_INTERVAL,
+    CONF_API_PROVIDER,
+    API_PROVIDER_OPENAI,
+    API_PROVIDER_ANTHROPIC,
+    DEFAULT_MODEL,
+    DEFAULT_TEMPERATURE,
+    DEFAULT_MAX_TOKENS,
+    DEFAULT_OPENAI_ENDPOINT,
+    DEFAULT_ANTHROPIC_ENDPOINT,
+    DEFAULT_REQUEST_INTERVAL,
+    API_TIMEOUT,
+    SERVICE_ASK_QUESTION,
+    SERVICE_CLEAR_HISTORY,
+    SERVICE_GET_HISTORY,
+    SERVICE_SET_SYSTEM_PROMPT,
 )
 
-_LOGGER = logging.getLogger(__name__)
+_LOGGER = logging.getLogger(__name__)  
 
 class HATextAICoordinator(DataUpdateCoordinator):
     """Class to manage fetching data from the API."""
@@ -239,20 +265,25 @@ class HATextAICoordinator(DataUpdateCoordinator):
 
     async def _process_openai_message(self, question: str, **kwargs) -> dict:
         """Process message using OpenAI API."""
-        response = await self.client.chat.completions.create(
-            model=kwargs["model"],
-            messages=kwargs["messages"],
-            temperature=kwargs["temperature"],
-            max_tokens=kwargs["max_tokens"],
-        )
-        return {
-            "content": response.choices[0].message.content,
-            "tokens": {
-                "prompt": response.usage.prompt_tokens,
-                "completion": response.usage.completion_tokens,
-                "total": response.usage.total_tokens
+        try:
+            response = await self.client.create(
+                model=kwargs["model"],
+                messages=kwargs["messages"],
+                temperature=kwargs["temperature"],
+                max_tokens=kwargs["max_tokens"],
+            )
+
+            return {
+                "content": response["choices"][0]["message"]["content"],
+                "tokens": {
+                    "prompt": response["usage"]["prompt_tokens"],
+                    "completion": response["usage"]["completion_tokens"],
+                    "total": response["usage"]["total_tokens"]
+                }
             }
-        }
+        except Exception as e:
+            _LOGGER.error(f"Error in OpenAI API call: {str(e)}")
+            raise
 
     def _update_metrics(self, latency: float, response: dict) -> None:
         """Update performance metrics."""