diff --git a/.ds.baseline b/.ds.baseline
index df4be33a6..0ded707f2 100644
--- a/.ds.baseline
+++ b/.ds.baseline
@@ -555,7 +555,7 @@
         "filename": "tests/app/main/views/test_register.py",
         "hashed_secret": "5baa61e4c9b93f3f0682250b6cf8331b7ee68fd8",
         "is_verified": false,
-        "line_number": 200,
+        "line_number": 199,
         "is_secret": false
       },
       {
@@ -563,7 +563,7 @@
         "filename": "tests/app/main/views/test_register.py",
         "hashed_secret": "bb5b7caa27d005d38039e3797c3ddb9bcd22c3c8",
         "is_verified": false,
-        "line_number": 273,
+        "line_number": 272,
         "is_secret": false
       }
     ],
@@ -684,5 +684,5 @@
       }
     ]
   },
-  "generated_at": "2025-01-13T20:16:58Z"
+  "generated_at": "2025-01-16T16:38:48Z"
 }
diff --git a/app/notify_client/billing_api_client.py b/app/notify_client/billing_api_client.py
index a6226f14a..b1ffc19f0 100644
--- a/app/notify_client/billing_api_client.py
+++ b/app/notify_client/billing_api_client.py
@@ -1,3 +1,6 @@
+import json
+
+from app.extensions import redis_client
 from app.notify_client import NotifyAdminAPIClient
 
 
@@ -15,10 +18,19 @@ class BillingAPIClient(NotifyAdminAPIClient):
         )
 
     def get_free_sms_fragment_limit_for_year(self, service_id, year=None):
+        frag_limit = redis_client.get(f"free-sms-fragment-limit-{service_id}-{year}")
+        if frag_limit is not None:
+            return json.loads(frag_limit.decode("utf-8"))
         result = self.get(
             "/service/{0}/billing/free-sms-fragment-limit".format(service_id),
             params=dict(financial_year_start=year),
         )
+
+        redis_client.set(
+            f"free-sms-fragment-limit-{service_id}-{year}",
+            json.dumps(result["free_sms_fragment_limit"]),
+            ex=30,
+        )
         return result["free_sms_fragment_limit"]
 
     def create_or_update_free_sms_fragment_limit(
diff --git a/app/notify_client/service_api_client.py b/app/notify_client/service_api_client.py
index 3a0655d9e..0229fee3d 100644
--- a/app/notify_client/service_api_client.py
+++ b/app/notify_client/service_api_client.py
@@ -1,3 +1,4 @@
+import json
 from datetime import datetime, timezone
 
 from app.extensions import redis_client
@@ -517,7 +518,18 @@ class ServiceAPIClient(NotifyAdminAPIClient):
         return int(count)
 
     def get_global_notification_count(self, service_id):
-        return self.get("/service/{}/notification-count".format(service_id))
+        notification_count = redis_client.get(f"notification-count-{service_id}")
+        if notification_count is not None:
+            return json.loads(notification_count.decode("utf-8"))
+
+        notification_count = self.get(
+            "/service/{}/notification-count".format(service_id)
+        )
+        redis_client.set(
+            f"notification-count-{service_id}", json.dumps(notification_count), ex=30
+        )
+
+        return notification_count
 
     def get_service_invite_data(self, redis_key):
         """
diff --git a/tests/app/main/views/test_index.py b/tests/app/main/views/test_index.py
index db166d21e..eaa913425 100644
--- a/tests/app/main/views/test_index.py
+++ b/tests/app/main/views/test_index.py
@@ -122,9 +122,7 @@ def test_static_pages(client_request, mock_get_organization_by_domain, view, moc
         session["user_id"] = None
     request(
         _expected_status=302,
-        _expected_redirect="/sign-in?next={}".format(
-            url_for("main.{}".format(view))
-        ),
+        _expected_redirect="/sign-in?next={}".format(url_for("main.{}".format(view))),
     )
 
 
diff --git a/tests/app/main/views/test_register.py b/tests/app/main/views/test_register.py
index 952aa8211..a55307a2b 100644
--- a/tests/app/main/views/test_register.py
+++ b/tests/app/main/views/test_register.py
@@ -144,9 +144,8 @@ def test_should_return_200_when_email_is_not_gov_uk(
         _expected_status=200,
     )
 
-    assert (
-        "Enter a public sector email address."
-        in normalize_spaces(page.select_one(".usa-error-message").text)
+    assert "Enter a public sector email address." in normalize_spaces(
+        page.select_one(".usa-error-message").text
     )