diff --git a/src/memos/api/client.py b/src/memos/api/client.py
new file mode 100644
index 00000000..3b012fef
--- /dev/null
+++ b/src/memos/api/client.py
@@ -0,0 +1,101 @@
+import json
+import os
+
+from typing import Any
+
+import requests
+
+from memos.log import get_logger
+
+
+logger = get_logger(__name__)
+
+MAX_RETRY_COUNT = 3
+
+
+class MemOSResponse:
+    """Response wrapper to support dot notation access"""
+
+    def __init__(self, data):
+        if isinstance(data, dict):
+            for key, value in data.items():
+                if isinstance(value, dict):
+                    setattr(self, key, MemOSResponse(value))
+                else:
+                    setattr(self, key, value)
+        else:
+            self.data = data
+
+
+class MemOSClient:
+    """MemOS API client"""
+
+    def __init__(self, api_key: str | None = None, base_url: str | None = None):
+        self.base_url = (
+            base_url or os.getenv("MEMOS_BASE_URL") or "https://memos.memtensor.cn/api/openmem"
+        )
+        api_key = api_key or os.getenv("MEMOS_API_KEY")
+
+        if not api_key:
+            raise ValueError("MemOS API key is required")
+
+        self.headers = {"Content-Type": "application/json", "Authorization": f"Token {api_key}"}
+
+    def _validate_required_params(self, **params):
+        """Validate required parameters - if passed, they must not be empty"""
+        for param_name, param_value in params.items():
+            if not param_value:
+                raise ValueError(f"{param_name} is required")
+
+    def add(
+        self, messages: list[dict[str, Any]], user_id: str, conversation_id: str
+    ) -> MemOSResponse:
+        """Add memories"""
+        # Validate required parameters
+        self._validate_required_params(
+            messages=messages, user_id=user_id, conversation_id=conversation_id
+        )
+
+        url = f"{self.base_url}/add/message"
+        payload = {"messages": messages, "userId": user_id, "conversationId": conversation_id}
+
+        for retry in range(MAX_RETRY_COUNT):
+            try:
+                response = requests.post(
+                    url, data=json.dumps(payload), headers=self.headers, timeout=30
+                )
+                response.raise_for_status()
+                response_data = json.loads(response.text)
+                return MemOSResponse(response_data)
+            except Exception as e:
+                logger.error(f"Failed to add memory (retry {retry + 1}/3): {e}")
+                if retry == MAX_RETRY_COUNT - 1:
+                    raise
+
+    def search(
+        self, query: str, user_id: str, conversation_id: str, memory_limit_number: int = 6
+    ) -> MemOSResponse:
+        """Search memories"""
+        # Validate required parameters
+        self._validate_required_params(query=query, user_id=user_id)
+
+        url = f"{self.base_url}/search/memory"
+        payload = {
+            "query": query,
+            "userId": user_id,
+            "conversationId": conversation_id,
+            "memoryLimitNumber": memory_limit_number,
+        }
+
+        for retry in range(MAX_RETRY_COUNT):
+            try:
+                response = requests.post(
+                    url, data=json.dumps(payload), headers=self.headers, timeout=30
+                )
+                response.raise_for_status()
+                response_data = json.loads(response.text)
+                return MemOSResponse(response_data)
+            except Exception as e:
+                logger.error(f"Failed to search memory (retry {retry + 1}/3): {e}")
+                if retry == MAX_RETRY_COUNT - 1:
+                    raise
diff --git a/src/memos/utils.py b/src/memos/utils.py
index 5801bc2d..6a1d4255 100644
--- a/src/memos/utils.py
+++ b/src/memos/utils.py
@@ -1,6 +1,5 @@
 import time
 
-from memos import settings
 from memos.log import get_logger
 
 
@@ -14,8 +13,7 @@ def wrapper(*args, **kwargs):
         start = time.perf_counter()
         result = func(*args, **kwargs)
         elapsed = time.perf_counter() - start
-        if settings.DEBUG:
-            logger.info(f"[TIMER] {func.__name__} took {elapsed:.2f} s")
+        logger.info(f"[TIMER] {func.__name__} took {elapsed:.2f} s")
         return result
 
     return wrapper