diff --git a/src/pyrecest/stability.py b/src/pyrecest/stability.py
index aa56e78f3..555d84c5a 100644
--- a/src/pyrecest/stability.py
+++ b/src/pyrecest/stability.py
@@ -4,7 +4,7 @@
 
 from collections.abc import Callable, Iterable
 from dataclasses import asdict, dataclass
-from typing import Final, Literal, ParamSpec, TypeVar
+from typing import Any, Final, Literal, ParamSpec, TypeVar
 
 from pyrecest.backend_support._pytorch_allclose_device_contract import (
     patch_pytorch_allclose_device_contract as _patch_pytorch_allclose_device_contract,
@@ -101,6 +101,8 @@ def decorator(obj: Callable[P, R]) -> Callable[P, R]:
 
 def get_public_api_status(name: str) -> PublicAPIStatus | None:
     """Return registered stability metadata for a public API name."""
+    if not isinstance(name, str):
+        return None
     return _PUBLIC_API_STATUS.get(name)
 
 
diff --git a/tests/test_stability.py b/tests/test_stability.py
index 5aeb2bf81..b8963bf06 100644
--- a/tests/test_stability.py
+++ b/tests/test_stability.py
@@ -42,6 +42,10 @@ def example_function():
     assert status.notes == "example"
 
 
+def test_get_public_api_status_returns_none_for_non_string_names():
+    assert get_public_api_status(["KalmanFilter"]) is None
+
+
 def test_registered_public_api_status_rows_have_valid_levels():
     rows = list(iter_public_api_status())