diff --git a/src/cachier/config.py b/src/cachier/config.py
index 6b1652e4..a250d813 100644
--- a/src/cachier/config.py
+++ b/src/cachier/config.py
@@ -67,6 +67,8 @@ class Params:
     cleanup_interval: timedelta = timedelta(days=1)
     entry_size_limit: Optional[int] = None
     allow_non_static_methods: bool = False
+    key_prefix: str = "cachier"
+    func_prefix: str = "."
 
 
 _global_params = Params()
diff --git a/src/cachier/core.py b/src/cachier/core.py
index 5a4bc4aa..48f2a6ae 100644
--- a/src/cachier/core.py
+++ b/src/cachier/core.py
@@ -226,6 +226,7 @@ def cachier(
     mongetter: Optional[Mongetter] = None,
     sql_engine: Optional[Union[str, Any, Callable[[], Any]]] = None,
     redis_client: Optional["RedisClient"] = None,
+    key_prefix: Optional[str] = None,
     s3_bucket: Optional[str] = None,
     s3_prefix: str = "cachier",
     s3_client: Optional["S3Client"] = None,
@@ -357,6 +358,7 @@ def cachier(
     backend = _update_with_defaults(backend, "backend")
     mongetter = _update_with_defaults(mongetter, "mongetter")
     size_limit_bytes = parse_bytes(_update_with_defaults(entry_size_limit, "entry_size_limit"))
+    key_prefix = _update_with_defaults(key_prefix, "key_prefix")
 
     # Create metrics object if enabled
     cache_metrics = None
@@ -407,6 +409,7 @@ def cachier(
             wait_for_calc_timeout=wait_for_calc_timeout,
             entry_size_limit=size_limit_bytes,
             metrics=cache_metrics,
+            key_prefix=key_prefix,
         )
     elif backend == "s3":
         core = _S3Core(
diff --git a/src/cachier/cores/base.py b/src/cachier/cores/base.py
index a62a0d28..599275ff 100644
--- a/src/cachier/cores/base.py
+++ b/src/cachier/cores/base.py
@@ -37,7 +37,7 @@ def _get_func_str(func: Callable) -> str:
     __name__, but at runtime the decorated functions always do.
 
     """
-    return f".{func.__module__}.{func.__name__}"
+    return f"{_update_with_defaults('.', 'func_prefix')}{func.__module__}.{func.__name__}"
 
 
 class _BaseCore(metaclass=abc.ABCMeta):
diff --git a/tests/test_core_lookup.py b/tests/test_core_lookup.py
index 599aa194..7b7e582d 100644
--- a/tests/test_core_lookup.py
+++ b/tests/test_core_lookup.py
@@ -16,7 +16,9 @@ def test_get_default_params():
         "cleanup_interval",
         "cleanup_stale",
         "entry_size_limit",
+        "func_prefix",
         "hash_func",
+        "key_prefix",
         "mongetter",
         "next_time",
         "pickle_reload",