diff --git a/litellm/proxy/guardrails/guardrail_initializers.py b/litellm/proxy/guardrails/guardrail_initializers.py
index efc09bb1669..56bbd8ff103 100644
--- a/litellm/proxy/guardrails/guardrail_initializers.py
+++ b/litellm/proxy/guardrails/guardrail_initializers.py
@@ -156,8 +156,8 @@ def initialize_presidio(litellm_params: LitellmParams, guardrail: Guardrail) ->
             presidio_anonymizer_api_base=litellm_params.presidio_anonymizer_api_base,
             presidio_language=litellm_params.presidio_language,
             presidio_entities_deny_list=litellm_params.presidio_entities_deny_list,
-            presidio_stable_tokens=getattr(litellm_params, "presidio_stable_tokens", None),
-            presidio_token_salt=getattr(litellm_params, "presidio_token_salt", None),
+            presidio_stable_tokens=litellm_params.presidio_stable_tokens,
+            presidio_token_salt=litellm_params.presidio_token_salt,
             apply_to_output=False,
             timeout=litellm_params.timeout,
             _callback_role="scan",
diff --git a/litellm/types/guardrails.py b/litellm/types/guardrails.py
index 46026c12d24..d2ec10b0ab5 100644
--- a/litellm/types/guardrails.py
+++ b/litellm/types/guardrails.py
@@ -494,6 +494,20 @@ class PresidioConfigModel(PresidioPresidioConfigModelUserInterface):
         default=None,
         description="Path to a JSON file containing ad-hoc recognizers for Presidio",
     )
+    presidio_stable_tokens: bool | None = Field(
+        default=None,
+        description=(
+            "Derive PII placeholders from the value instead of its order in the request, "
+            "so the same value maps to the same token across turns. Requires presidio_token_salt."
+        ),
+    )
+    presidio_token_salt: str | None = Field(
+        default=None,
+        description=(
+            "os.environ/<VAR> reference holding the HMAC key behind stable tokens. "
+            "A literal is refused: guardrail params are logged in full at debug level."
+        ),
+    )
     presidio_analyze_chunk_size_bytes: int | None = Field(
         default=None,
         description=(