diff --git a/MANIFEST.in b/MANIFEST.in
new file mode 100644
index 0000000..5714eba
--- /dev/null
+++ b/MANIFEST.in
@@ -0,0 +1 @@
+include hibpwned/py.typed
diff --git a/hibpwned/__init__.py b/hibpwned/__init__.py
index e61b904..3c0a344 100644
--- a/hibpwned/__init__.py
+++ b/hibpwned/__init__.py
@@ -17,6 +17,15 @@
 import hashlib
 import requests
 
+ReturnAlias = int | list[dict[str, str | int | bool]]
+
+AltReturnAlias = int | list[dict[str, str | int | bool]] | list[str]
+
+DataAlias = list[dict[str, str | int | bool]] | dict[str, str | int | bool]
+
+AltDataAlias = (list[dict[str, str | int | bool]]
+                | dict[str, str | int | bool] | list[str])
+
 
 def _check(resp: requests.models.Response) -> None:
     """Helper function to check the response code and prints anything
@@ -196,15 +205,6 @@ class Pwned:
          >>> foo = Pwned("test@example.com", "My_App", "My_API_Key")
          >>> data = foo.search_password("BadPassword")
     """
-    ReturnAlias = (int | list[dict[str, str | int | bool]])
-
-    AltReturnAlias = (int | list[dict[str, str | int | bool]] | list[str])
-
-    DataAlias = (list[dict[str, str | int | bool]]
-                 | dict[str, str | int | bool])
-    AltDataAlias = (list[dict[str, str | int | bool]]
-                    | dict[str, str | int | bool] | list[str])
-
     url: str
     resp: requests.models.Response
     truncate_string: str
@@ -229,7 +229,6 @@ def __init__(self, account: str, agent: str, key: str) -> None:
         }
         self.timeout = 300
 
-    # pylint: disable=undefined-variable
     def search_all_breaches(self,
                             truncate: bool | None = False,
                             domain: str | None = None,
@@ -296,7 +295,6 @@ def search_all_breaches(self,
             return alt_data
         return resp.status_code
 
-    # pylint: disable=undefined-variable
     def all_breaches(self, domain: str | None = None) -> ReturnAlias:
         """Retrieves all breached sites from the system. The result set
         can also be filtered by domain by passing the argument
diff --git a/hibpwned/__init__.pyi b/hibpwned/__init__.pyi
new file mode 100644
index 0000000..6d64a30
--- /dev/null
+++ b/hibpwned/__init__.pyi
@@ -0,0 +1,61 @@
+"""__init__.pyi"""
+
+from __future__ import annotations
+import requests
+
+ReturnAlias = int | list[dict[str, str | int | bool]]
+
+AltReturnAlias = int | list[dict[str, str | int | bool]] | list[str]
+
+DataAlias = list[dict[str, str | int | bool]] | dict[str, str | int | bool]
+
+AltDataAlias = (list[dict[str, str | int | bool]]
+                | dict[str, str | int | bool] | list[str])
+
+
+def _check(resp: requests.models.Response) -> None:
+    ...
+
+
+class Pwned:
+
+    url: str
+    resp: requests.models.Response
+    truncate_string: str
+    domain_string: str
+    unverified_string: str
+    classes: list[str]
+    hashes: str
+    hash_list: list[str]
+    hexdig: str
+    hsh: str
+    pnum: str
+    data: DataAlias
+    alt_data: AltDataAlias
+
+    def __init__(self, account: str, agent: str, key: str) -> None:
+        ...
+
+    def search_all_breaches(self,
+                            truncate: bool | None = False,
+                            domain: str | None = None,
+                            unverified: bool | None = False) -> AltReturnAlias:
+        ...
+
+    def all_breaches(self, domain: str | None = None) -> ReturnAlias:
+        ...
+
+    def single_breach(self, name: str) -> ReturnAlias:
+        ...
+
+    def data_classes(self) -> int | list[str]:
+        ...
+
+    def search_pastes(self) -> ReturnAlias:
+        ...
+
+    def search_password(self, password: str) -> int | str:
+        ...
+
+    def search_hashes(self, hsh: str) -> int | str:
+        ...
diff --git a/hibpwned/py.typed b/hibpwned/py.typed
new file mode 100644
index 0000000..1242d43
--- /dev/null
+++ b/hibpwned/py.typed
@@ -0,0 +1 @@
+# Marker file for PEP 561.
diff --git a/pyproject.toml b/pyproject.toml
index 07e8bd3..93f007d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "hibpwned"
-version = "1.3.8"
+version = "1.3.9"
 authors = [
   { name="plasticuproject", email="plasticuproject@pm.me" },
 ]
@@ -15,7 +15,7 @@ requires-python = ">=3.11"
 classifiers = [
     "Programming Language :: Python :: 3",
     "Development Status :: 5 - Production/Stable", "Intended Audience :: Developers",
-    "License :: OSI Approved :: GNU General Public License v3 (GPLv3)",
+    "License :: OSI Approved :: GNU Lesser General Public License v3 (LGPLv3)",
     "Operating System :: OS Independent",
     "Topic :: Utilities", "Topic :: Utilities"
 ]