diff --git a/api/admin/foundation/mentors/[id].ts b/api/admin/foundation/mentors/[id].ts
new file mode 100644
index 00000000..e0fc7613
--- /dev/null
+++ b/api/admin/foundation/mentors/[id].ts
@@ -0,0 +1,40 @@
+import { createClient } from "@supabase/supabase-js";
+
+const supabase = createClient(
+  process.env.VITE_SUPABASE_URL!,
+  process.env.SUPABASE_SERVICE_ROLE!
+);
+
+export default async function handler(req: any, res: any) {
+  const { id } = req.query;
+
+  if (req.method === "PUT") {
+    try {
+      const { approval_status } = req.body;
+
+      if (!["pending", "approved", "rejected"].includes(approval_status)) {
+        return res.status(400).json({ error: "Invalid approval status" });
+      }
+
+      const { data, error } = await supabase
+        .from("foundation_mentors")
+        .update({
+          approval_status,
+          approved_by: req.user?.id, // Assumes middleware sets req.user
+          approved_at: approval_status === "approved" ? new Date().toISOString() : null,
+        })
+        .eq("user_id", id)
+        .select();
+
+      if (error) throw error;
+
+      res.status(200).json(data);
+    } catch (error: any) {
+      res
+        .status(500)
+        .json({ error: error.message || "Failed to update mentor" });
+    }
+  } else {
+    res.status(405).json({ error: "Method not allowed" });
+  }
+}