diff --git a/frontend/src/pages/Analytics.tsx b/frontend/src/pages/Analytics.tsx
index 4cd5728..a630628 100644
--- a/frontend/src/pages/Analytics.tsx
+++ b/frontend/src/pages/Analytics.tsx
@@ -82,9 +82,9 @@ export default function Analytics() {
     }
 
     Promise.all([
-      api.get('/analytics/by-category', { params }),
-      api.get('/analytics/monthly-trend'),
-      api.get('/analytics/daily-spending', { params }),
+      api.get<CategorySpending[]>('/analytics/by-category', { params }),
+      api.get<MonthlyTrend[]>('/analytics/monthly-trend'),
+      api.get<DailySpending[]>('/analytics/daily-spending', { params }),
     ])
       .then(([catRes, trendRes, dailyRes]) => {
         setByCategory(catRes.data);
diff --git a/frontend/src/pages/Budget.tsx b/frontend/src/pages/Budget.tsx
index d969979..523fac9 100644
--- a/frontend/src/pages/Budget.tsx
+++ b/frontend/src/pages/Budget.tsx
@@ -44,7 +44,7 @@ export default function Budget() {
   const fetchTransactions = useCallback(async () => {
     setTxLoading(true);
     try {
-      const params: Record<string, unknown> = {
+      const params: Record<string, string | number | boolean | undefined> = {
         search: txSearch || undefined,
         limit: 200,
       };