diff --git a/src/lib/api/product.ts b/src/lib/api/product.ts
index 3e93c15..5941d50 100644
--- a/src/lib/api/product.ts
+++ b/src/lib/api/product.ts
@@ -1,6 +1,14 @@
-export const fetchProducts = async () => {
+export interface Product {
+  id: string;
+  name: string;
+  price: number;
+  description?: string;
+  imageSrc?: string;
+  category?: string;
+}
+
+export const fetchProducts = async (): Promise<Product[]> => {
   try {
-    // Fetch products from API
     const response = await fetch("/api/products");
     const data = await response.json();
     return data;
@@ -10,9 +18,8 @@ export const fetchProducts = async () => {
   }
 };
 
-export const fetchProductDetail = async (id: string) => {
+export const fetchProduct = async (id: string): Promise<Product | null> => {
   try {
-    // Fetch single product from API
     const response = await fetch(`/api/products/${id}`);
     const data = await response.json();
     return data;
@@ -21,3 +28,7 @@ export const fetchProductDetail = async (id: string) => {
     return null;
   }
 };
+
+export const fetchProductDetail = async (id: string): Promise<Product | null> => {
+  return fetchProduct(id);
+};