diff --git a/notifications_utils/request_helper.py b/notifications_utils/request_helper.py
index 6c9edc8a7..eb7a2061f 100644
--- a/notifications_utils/request_helper.py
+++ b/notifications_utils/request_helper.py
@@ -62,22 +62,30 @@ def __init__(self, app):
         self._app = app
 
     def __call__(self, environ, start_response):
-        req = NotifyRequest(environ)
-
-        def rewrite_response_headers(status, headers, exc_info=None):
-            lower_existing_header_names = frozenset(
-                name.lower() for name, value in headers
-            )
-
-            if TRACE_ID_HEADER.lower() not in lower_existing_header_names:
-                headers.append((TRACE_ID_HEADER, str(req.trace_id)))
-
-            if SPAN_ID_HEADER.lower() not in lower_existing_header_names:
-                headers.append((SPAN_ID_HEADER, str(req.span_id)))
-
-            return start_response(status, headers, exc_info)
-
-        return self._app(environ, rewrite_response_headers)
+        try:
+            req = NotifyRequest(environ)
+
+            def rewrite_response_headers(status, headers, exc_info=None):
+                lower_existing_header_names = frozenset(
+                    name.lower() for name, value in headers
+                )
+
+                if TRACE_ID_HEADER.lower() not in lower_existing_header_names:
+                    headers.append((TRACE_ID_HEADER, str(req.trace_id)))
+
+                if SPAN_ID_HEADER.lower() not in lower_existing_header_names:
+                    headers.append((SPAN_ID_HEADER, str(req.span_id)))
+
+                return start_response(status, headers, exc_info)
+
+            return self._app(environ, rewrite_response_headers)
+        except BaseException as be:  # noqa
+            if "AuthError" in str(be):  # notify-api-1135
+                current_app.logger.error(be)
+            elif "AttributeError" in str(be):  # notify-api-1394
+                current_app.logger.error(be)
+            else:
+                raise be
 
 
 def init_app(app):
diff --git a/tests/app/delivery/test_send_to_providers.py b/tests/app/delivery/test_send_to_providers.py
index 7f16a799a..63ab31ec7 100644
--- a/tests/app/delivery/test_send_to_providers.py
+++ b/tests/app/delivery/test_send_to_providers.py
@@ -330,7 +330,7 @@ def test_should_send_sms_with_downgraded_content(notify_db_session, mocker):
         template=template,
     )
     db_notification.personalisation = {"misc": placeholder}
-    db_notification.reply_to_text = 'testing'
+    db_notification.reply_to_text = "testing"
 
     mocker.patch("app.aws_sns_client.send_sms")
 
@@ -622,7 +622,7 @@ def test_should_update_billable_units_and_status_according_to_research_mode_and_
         billable_units=0,
         status=NotificationStatus.CREATED,
         key_type=key_type,
-        reply_to_text='testing',
+        reply_to_text="testing",
     )
     mocker.patch("app.aws_sns_client.send_sms")
     mocker.patch(
@@ -786,7 +786,10 @@ def test_send_sms_to_provider_should_use_normalised_to(mocker, client, sample_te
     )
     send_mock = mocker.patch("app.aws_sns_client.send_sms")
     notification = create_notification(
-        template=sample_template, to_field="+12028675309", normalised_to="2028675309", reply_to_text='testing'
+        template=sample_template,
+        to_field="+12028675309",
+        normalised_to="2028675309",
+        reply_to_text="testing",
     )
 
     mock_s3 = mocker.patch("app.delivery.send_to_providers.get_phone_number_from_s3")
@@ -862,7 +865,10 @@ def test_send_sms_to_provider_should_return_template_if_found_in_redis(
 
     send_mock = mocker.patch("app.aws_sns_client.send_sms")
     notification = create_notification(
-        template=sample_template, to_field="+447700900855", normalised_to="447700900855", reply_to_text='testing'
+        template=sample_template,
+        to_field="+447700900855",
+        normalised_to="447700900855",
+        reply_to_text="testing",
     )
 
     mock_s3 = mocker.patch("app.delivery.send_to_providers.get_phone_number_from_s3")