diff --git a/litellm/caching/caching.py b/litellm/caching/caching.py
index 4a1b9f3430c..e5c88646401 100644
--- a/litellm/caching/caching.py
+++ b/litellm/caching/caching.py
@@ -848,7 +848,7 @@ class Cache:
                 else:
                     cache_key = self.get_cache_key(**kwargs)  # rebind-ok: derive caller key
                 if cache_key is not None:
-                    cache_control_args: Final[DynamicCacheControl] = kwargs.get("cache", {})
+                    cache_control_args: Final[DynamicCacheControl] = cast(DynamicCacheControl, kwargs.get("cache", {}))
                     max_age = cache_control_args.get("s-maxage") or cache_control_args.get("s-max-age") or float("inf")
                     cache_lookup_kwargs: Final = self._get_safe_cache_lookup_kwargs(kwargs)
                     if dynamic_cache_object is not None:
@@ -883,7 +883,7 @@ class Cache:
                 else:
                     cache_key = self.get_cache_key(**kwargs)  # rebind-ok: derive caller key
                 if cache_key is not None:
-                    cache_control_args: Final = kwargs.get("cache", {})
+                    cache_control_args: Final[DynamicCacheControl] = cast(DynamicCacheControl, kwargs.get("cache", {}))
                     max_age: Final = cache_control_args.get(
                         "s-max-age", cache_control_args.get("s-maxage", float("inf"))
                     )
@@ -956,7 +956,7 @@ class Cache:
             return
         verbose_logger.error("%s: %s", message, exc)
 
-    async def async_add_cache(self, result, dynamic_cache_object: BaseCache | None = None, **kwargs):
+    async def async_add_cache(self, result: object, dynamic_cache_object: BaseCache | None = None, **kwargs: object):
         """
         Async implementation of add_cache
         """
diff --git a/litellm/proxy/hooks/batch_redis_get.py b/litellm/proxy/hooks/batch_redis_get.py
index 3e5bbe57e51..75de6d7c3b7 100644
--- a/litellm/proxy/hooks/batch_redis_get.py
+++ b/litellm/proxy/hooks/batch_redis_get.py
@@ -4,7 +4,7 @@
 ### [BETA] this is in Beta. And might change.
 
 import traceback
-from typing import Final, Literal
+from typing import Final, Literal, cast  # noqa: TID251  # typed cache kwargs boundary
 
 from fastapi import HTTPException
 
@@ -106,7 +106,7 @@ class _PROXY_BatchRedisRequests(CustomLogger):
                 )  # returns "<cache_key_name>:<hash>" - we pass redis_namespace in async_pre_call_hook. Done to avoid rewriting the async_set_cache logic
 
             if cache_key is not None and self.in_memory_cache is not None:
-                cache_control_args: Final = kwargs.get("cache", {})
+                cache_control_args: Final[DynamicCacheControl] = cast(DynamicCacheControl, kwargs.get("cache", {}))
                 max_age: Final = cache_control_args.get("s-max-age", cache_control_args.get("s-maxage", float("inf")))
                 cached_result = self.in_memory_cache.get_cache(cache_key, *args, **kwargs)
                 if cached_result is None:
diff --git a/litellm/proxy/spend_tracking/spend_tracking_utils.py b/litellm/proxy/spend_tracking/spend_tracking_utils.py
index 72a104ff1dc..6f7babc5922 100644
--- a/litellm/proxy/spend_tracking/spend_tracking_utils.py
+++ b/litellm/proxy/spend_tracking/spend_tracking_utils.py
@@ -610,7 +610,10 @@ def get_logging_payload(
     elif not isinstance(response_obj, BaseModel) and not isinstance(response_obj, dict):
         response_obj = {"result": str(response_obj)}
     # standardize this function to be used across, s3, dynamoDB, langfuse logging
-    litellm_params: Final = kwargs.get("litellm_params", {})
+    litellm_params_value: Final[object] = kwargs.get("litellm_params", {})
+    litellm_params: Final[dict[str, object]] = (
+        cast(dict[str, object], litellm_params_value) if isinstance(litellm_params_value, Mapping) else {}
+    )
     metadata: Final = get_litellm_metadata_from_kwargs(kwargs)
     routing_litellm_params: Final[Mapping[str, object] | None] = (
         litellm_params if isinstance(litellm_params, Mapping) else None
@@ -880,7 +883,7 @@ def get_logging_payload(
             metadata=metadata,
             requested_model=persisted_model_group,
             selected_model=model_name,
-            selected_provider=custom_llm_provider,
+            selected_provider=(custom_llm_provider if isinstance(custom_llm_provider, str) else None),
             router_correlation_id=litellm_call_id,
         ),
         used_client_oauth_token=resolve_used_client_oauth_token(