diff --git a/litellm/proxy/hooks/max_budget_limiter.py b/litellm/proxy/hooks/max_budget_limiter.py
index 9a7e5117945..3ef6d8906bd 100644
--- a/litellm/proxy/hooks/max_budget_limiter.py
+++ b/litellm/proxy/hooks/max_budget_limiter.py
@@ -5,6 +5,7 @@ from litellm._logging import verbose_proxy_logger
 from litellm.caching.caching import DualCache
 from litellm.integrations.custom_logger import CustomLogger
 from litellm.proxy._types import UserAPIKeyAuth
+from litellm.proxy.common_utils.proxy_rate_limit_error import ProxyRateLimitError
 
 
 class _PROXY_MaxBudgetLimiter(CustomLogger):
@@ -63,7 +64,7 @@ class _PROXY_MaxBudgetLimiter(CustomLogger):
 
             # CHECK IF REQUEST ALLOWED
             if curr_spend >= max_budget:
-                raise HTTPException(status_code=429, detail="Max budget limit reached.")
+                raise ProxyRateLimitError(detail="Max budget limit reached.")
         except HTTPException as e:
             raise e
         except Exception as e:
diff --git a/litellm/proxy/hooks/max_budget_per_session_limiter.py b/litellm/proxy/hooks/max_budget_per_session_limiter.py
index 59fb101f557..050bb8e8164 100644
--- a/litellm/proxy/hooks/max_budget_per_session_limiter.py
+++ b/litellm/proxy/hooks/max_budget_per_session_limiter.py
@@ -17,12 +17,11 @@ Follows the same pattern as max_iterations_limiter.py.
 import os
 from typing import TYPE_CHECKING, Any, Optional, Union
 
-from fastapi import HTTPException
-
 from litellm import DualCache
 from litellm._logging import verbose_proxy_logger
 from litellm.integrations.custom_logger import CustomLogger
 from litellm.proxy._types import UserAPIKeyAuth
+from litellm.proxy.common_utils.proxy_rate_limit_error import ProxyRateLimitError
 
 if TYPE_CHECKING:
     from litellm.proxy.utils import InternalUsageCache as _InternalUsageCache
@@ -112,8 +111,7 @@ class _PROXY_MaxBudgetPerSessionHandler(CustomLogger):
         )
 
         if current_spend >= max_budget:
-            raise HTTPException(
-                status_code=429,
+            raise ProxyRateLimitError(
                 detail=(
                     f"Session budget exceeded for session {session_id}. "
                     f"Current spend: ${current_spend:.4f}, "
diff --git a/litellm/proxy/hooks/max_iterations_limiter.py b/litellm/proxy/hooks/max_iterations_limiter.py
index df9a298ca03..bb5af62c746 100644
--- a/litellm/proxy/hooks/max_iterations_limiter.py
+++ b/litellm/proxy/hooks/max_iterations_limiter.py
@@ -13,12 +13,11 @@ Follows the same pattern as parallel_request_limiter_v3.py.
 import os
 from typing import TYPE_CHECKING, Any, Optional, Union
 
-from fastapi import HTTPException
-
 from litellm import DualCache
 from litellm._logging import verbose_proxy_logger
 from litellm.integrations.custom_logger import CustomLogger
 from litellm.proxy._types import UserAPIKeyAuth
+from litellm.proxy.common_utils.proxy_rate_limit_error import ProxyRateLimitError
 
 if TYPE_CHECKING:
     from litellm.proxy.utils import InternalUsageCache as _InternalUsageCache
@@ -116,8 +115,7 @@ class _PROXY_MaxIterationsHandler(CustomLogger):
         current_count = await self._increment_and_get(cache_key)
 
         if current_count > max_iterations:
-            raise HTTPException(
-                status_code=429,
+            raise ProxyRateLimitError(
                 detail=(
                     f"Max iterations exceeded for session {session_id}. "
                     f"Current count: {current_count}, max_iterations: {max_iterations}."