diff --git a/openapi3/paths.py b/openapi3/paths.py
index 1d298ed..1f9fd89 100644
--- a/openapi3/paths.py
+++ b/openapi3/paths.py
@@ -253,8 +253,11 @@ def request(self, base_url, security={}, data=None, parameters={}, verify=True,
 
         self._request_handle_parameters(parameters)
 
+        # get settings from environment
+        settings = self._session.merge_environment_settings(self._request.url, {}, None, None, None)
+
         # send the prepared request
-        result = self._session.send(self._request.prepare())
+        result = self._session.send(self._request.prepare(), **settings)
 
         # spec enforces these are strings
         status_code = str(result.status_code)