diff --git a/ChangeLog.md b/ChangeLog.md
index 15c44a3..e317ca6 100644
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -5,6 +5,15 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
+## [unreleased] - 2025-12-11
+### Added
+- Added Data API configuration to request signatures
+- Added Data API Demo to standalone demos
+
+### Fixed
+- Fixed mypy errors failing lint check on ci build
+- Fixed missing import on setuptools types for testing
+
 ## [v0.3.12] - 2024-11-22
 ### Added
 - Added pre-commit hooks and Github CI action for code formatting and linting.
diff --git a/learnosity_sdk/request/init.py b/learnosity_sdk/request/init.py
index 1f0ead1..a6ba66e 100644
--- a/learnosity_sdk/request/init.py
+++ b/learnosity_sdk/request/init.py
@@ -74,14 +74,14 @@ def generate(self, encode: bool = True) -> Union[str, Dict[str, Any]]:
                 del output['domain']
 
             # Stringify the request packet if necessary
-            if self.request is not None:
+            if isinstance(self.request, dict):
                 output.update(self.request)
 
         elif self.service == 'events':
             output['security'] = self.security
             output['config'] = self.request
         elif self.service == 'assess':
-            if self.request is not None:
+            if isinstance(self.request, dict):
                 output.update(self.request)
         elif self.service == 'data':
             # We ignore the encode param for data API
@@ -193,7 +193,7 @@ def set_service_options(self) -> None:
         elif self.service == 'assess':
             self.sign_request_data = False
 
-            if self.request is not None and 'questionsApiActivity' in self.request:
+            if isinstance(self.request, dict) and 'questionsApiActivity' in self.request and isinstance(self.request['questionsApiActivity'], dict):
                 questionsApi = self.request['questionsApiActivity']
 
                 if 'domain' in self.security:
@@ -223,13 +223,13 @@ def set_service_options(self) -> None:
                 self.request['questionsApiActivity'].update(questionsApi)
 
         elif self.service == 'items' or self.service == 'reports':
-            if self.request is not None and ('user_id' not in self.security and 'user_id' in self.request):
+            if isinstance(self.request, dict) and ('user_id' not in self.security and 'user_id' in self.request):
                 self.security['user_id'] = self.request['user_id']
 
         elif self.service == 'events':
             self.sign_request_data = False
             hashed_users = {}
-            users = self.request.get('users', []) if self.request is not None else []
+            users = self.request.get('users', []) if isinstance(self.request, dict) else []
             for user in users:
                 concat = "{}{}".format(user, self.secret)
                 hashed_users[user] = hashlib.sha256(concat.encode('utf-8')).hexdigest()
@@ -244,8 +244,8 @@ def hash_list(self, l: Iterable[Any]) -> str:
         return '$02$' + signature
 
     def add_telemetry_data(self) -> None:
-        if self.request is not None and self.__telemetry_enabled:
-            if 'meta' in self.request:
+        if isinstance(self.request, dict) and self.__telemetry_enabled:
+            if 'meta' in self.request and isinstance(self.request['meta'], dict):
                 self.request['meta']['sdk'] = self.get_sdk_meta()
             else:
                 self.request['meta'] = {
diff --git a/setup.py b/setup.py
index 52f531f..ddde1a6 100644
--- a/setup.py
+++ b/setup.py
@@ -1,7 +1,7 @@
 import setuptools
 
 # Loads __version__ using exec as setup.py can't import its own package
-version = {}
+version: dict[str, str] = {}
 version_file = 'learnosity_sdk/_version.py'
 exec(open(version_file).read(), { '__builtins__': None }, version)
 if '__version__' not in version:
@@ -27,6 +27,7 @@
     'responses >=0.8.1',
     'types-requests',
     'types-Jinja2',
+    'types-setuptools',
     'mypy',
 ]