diff --git a/server.js b/server.js
index 7351aaef..e6890e22 100644
--- a/server.js
+++ b/server.js
@@ -196,6 +196,55 @@ app.get("/api/item/:id", (req, res) => {
   });
 });
 
+app.post("/api/shop/items/buy", (req, res) => {
+  const { shopId, address, items } = req.body;
+
+  // Basic validation
+  if (
+    typeof shopId !== "number" ||
+    typeof address !== "string" ||
+    !Array.isArray(items)
+  ) {
+    return res.status(400).json({
+      ok: false,
+      error: "Invalid parameters",
+    });
+  }
+
+  for (const item of items) {
+    if (typeof item.id !== "string" || typeof item.quantity !== "number") {
+      return res.status(400).json({
+        ok: false,
+        error: "Invalid item format",
+      });
+    }
+  }
+
+  // Build request payload
+  const request = {
+    type: "request",
+    to: shopId,
+    address,
+    items: items.map((item) => ({
+      name: item.id,
+      _requestCount: item.quantity,
+    })),
+  };
+
+  // Send via WebSocket
+  wss.clients.forEach((client) => {
+    if (client.readyState === 1) {
+      client.send(JSON.stringify(request));
+    }
+  });
+
+  return res.status(200).json({
+    ok: true,
+    message: "Items sent successfully",
+    data: request,
+  });
+});
+
 // Serve the items UI page from public/items.html for the /items route.
 // The actual HTML/JS for the page lives in public/items.html (moved from server-side rendering).
 app.get("/", (req, res) => {