diff --git a/src/app/api/directory/route.ts b/src/app/api/directory/route.ts
index 35f1b392..3d494b65 100644
--- a/src/app/api/directory/route.ts
+++ b/src/app/api/directory/route.ts
@@ -34,7 +34,7 @@ export async function GET(request: NextRequest) {
     const url = new URL(request.url);
     const search = url.searchParams.get("search") || "";
     const tag = sanitizeSearchParams(url, "tag");
-    const page = parseInt(url.searchParams.get("page") || "1");
+    const page = Math.max(1, parseInt(url.searchParams.get("page") || "1") || 1);
     const limit = 20;
     const offset = (page - 1) * limit;
 
diff --git a/src/app/api/notifications/route.ts b/src/app/api/notifications/route.ts
index 1e2b3d60..8da0ec68 100644
--- a/src/app/api/notifications/route.ts
+++ b/src/app/api/notifications/route.ts
@@ -19,8 +19,8 @@ export async function GET(request: NextRequest) {
 
     const searchParams = request.nextUrl.searchParams;
     const unreadOnly = searchParams.get("unread") === "true";
-    const limit = Math.min(Number(searchParams.get("limit")) || 50, 100);
-    const offset = Number(searchParams.get("offset")) || 0;
+    const limit = Math.min(Math.max(1, Number(searchParams.get("limit")) || 50), 100);
+    const offset = Math.max(0, Number(searchParams.get("offset")) || 0);
 
     let query = supabase
       .from("notifications")
diff --git a/src/app/api/prompts/route.ts b/src/app/api/prompts/route.ts
index 313bec28..31cebe78 100644
--- a/src/app/api/prompts/route.ts
+++ b/src/app/api/prompts/route.ts
@@ -15,7 +15,7 @@ export async function GET(request: NextRequest) {
     const category = url.searchParams.get("category") || "";
     const tag = url.searchParams.get("tag") || "";
     const sort = url.searchParams.get("sort") || "newest";
-    const page = parseInt(url.searchParams.get("page") || "1");
+    const page = Math.max(1, parseInt(url.searchParams.get("page") || "1") || 1);
     const limit = 20;
     const offset = (page - 1) * limit;