diff --git a/langchain/requests.py b/langchain/requests.py
index 536687278b..2891701c49 100644
--- a/langchain/requests.py
+++ b/langchain/requests.py
@@ -16,6 +16,7 @@ class Requests(BaseModel):
 
     headers: Optional[Dict[str, str]] = None
     aiosession: Optional[aiohttp.ClientSession] = None
+    auth: Optional[Any] = None
 
     class Config:
         """Configuration for this pydantic object."""
@@ -25,23 +26,29 @@ class Requests(BaseModel):
 
     def get(self, url: str, **kwargs: Any) -> requests.Response:
         """GET the URL and return the text."""
-        return requests.get(url, headers=self.headers, **kwargs)
+        return requests.get(url, headers=self.headers, auth=self.auth, **kwargs)
 
     def post(self, url: str, data: Dict[str, Any], **kwargs: Any) -> requests.Response:
         """POST to the URL and return the text."""
-        return requests.post(url, json=data, headers=self.headers, **kwargs)
+        return requests.post(
+            url, json=data, headers=self.headers, auth=self.auth, **kwargs
+        )
 
     def patch(self, url: str, data: Dict[str, Any], **kwargs: Any) -> requests.Response:
         """PATCH the URL and return the text."""
-        return requests.patch(url, json=data, headers=self.headers, **kwargs)
+        return requests.patch(
+            url, json=data, headers=self.headers, auth=self.auth, **kwargs
+        )
 
     def put(self, url: str, data: Dict[str, Any], **kwargs: Any) -> requests.Response:
         """PUT the URL and return the text."""
-        return requests.put(url, json=data, headers=self.headers, **kwargs)
+        return requests.put(
+            url, json=data, headers=self.headers, auth=self.auth, **kwargs
+        )
 
     def delete(self, url: str, **kwargs: Any) -> requests.Response:
         """DELETE the URL and return the text."""
-        return requests.delete(url, headers=self.headers, **kwargs)
+        return requests.delete(url, headers=self.headers, auth=self.auth, **kwargs)
 
     @asynccontextmanager
     async def _arequest(
@@ -51,12 +58,12 @@ class Requests(BaseModel):
         if not self.aiosession:
             async with aiohttp.ClientSession() as session:
                 async with session.request(
-                    method, url, headers=self.headers, **kwargs
+                    method, url, headers=self.headers, auth=self.auth, **kwargs
                 ) as response:
                     yield response
         else:
             async with self.aiosession.request(
-                method, url, headers=self.headers, **kwargs
+                method, url, headers=self.headers, auth=self.auth, **kwargs
             ) as response:
                 yield response
 
@@ -65,7 +72,7 @@ class Requests(BaseModel):
         self, url: str, **kwargs: Any
     ) -> AsyncGenerator[aiohttp.ClientResponse, None]:
         """GET the URL and return the text asynchronously."""
-        async with self._arequest("GET", url, **kwargs) as response:
+        async with self._arequest("GET", url, auth=self.auth, **kwargs) as response:
             yield response
 
     @asynccontextmanager
@@ -73,7 +80,9 @@ class Requests(BaseModel):
         self, url: str, data: Dict[str, Any], **kwargs: Any
     ) -> AsyncGenerator[aiohttp.ClientResponse, None]:
         """POST to the URL and return the text asynchronously."""
-        async with self._arequest("POST", url, json=data, **kwargs) as response:
+        async with self._arequest(
+            "POST", url, json=data, auth=self.auth, **kwargs
+        ) as response:
             yield response
 
     @asynccontextmanager
@@ -81,7 +90,9 @@ class Requests(BaseModel):
         self, url: str, data: Dict[str, Any], **kwargs: Any
     ) -> AsyncGenerator[aiohttp.ClientResponse, None]:
         """PATCH the URL and return the text asynchronously."""
-        async with self._arequest("PATCH", url, json=data, **kwargs) as response:
+        async with self._arequest(
+            "PATCH", url, json=data, auth=self.auth, **kwargs
+        ) as response:
             yield response
 
     @asynccontextmanager
@@ -89,7 +100,9 @@ class Requests(BaseModel):
         self, url: str, data: Dict[str, Any], **kwargs: Any
     ) -> AsyncGenerator[aiohttp.ClientResponse, None]:
         """PUT the URL and return the text asynchronously."""
-        async with self._arequest("PUT", url, json=data, **kwargs) as response:
+        async with self._arequest(
+            "PUT", url, json=data, auth=self.auth, **kwargs
+        ) as response:
             yield response
 
     @asynccontextmanager
@@ -97,7 +110,7 @@ class Requests(BaseModel):
         self, url: str, **kwargs: Any
     ) -> AsyncGenerator[aiohttp.ClientResponse, None]:
         """DELETE the URL and return the text asynchronously."""
-        async with self._arequest("DELETE", url, **kwargs) as response:
+        async with self._arequest("DELETE", url, auth=self.auth, **kwargs) as response:
             yield response
 
 
@@ -109,6 +122,7 @@ class TextRequestsWrapper(BaseModel):
 
     headers: Optional[Dict[str, str]] = None
     aiosession: Optional[aiohttp.ClientSession] = None
+    auth: Optional[Any] = None
 
     class Config:
         """Configuration for this pydantic object."""
@@ -118,7 +132,9 @@ class TextRequestsWrapper(BaseModel):
 
     @property
     def requests(self) -> Requests:
-        return Requests(headers=self.headers, aiosession=self.aiosession)
+        return Requests(
+            headers=self.headers, aiosession=self.aiosession, auth=self.auth
+        )
 
     def get(self, url: str, **kwargs: Any) -> str:
         """GET the URL and return the text."""