diff --git a/apps/web/src/routes/dashboard.ts b/apps/web/src/routes/dashboard.ts
index bf68a1c..0a2e5aa 100644
--- a/apps/web/src/routes/dashboard.ts
+++ b/apps/web/src/routes/dashboard.ts
@@ -213,7 +213,15 @@ export const dashboard = new Elysia()
     if (!resolved?.accountId) return redirect("/dashboard");
     const [acc] = await sql`SELECT plan, plan_expires_at FROM accounts WHERE id = ${resolved.accountId}`;
     if (acc.plan === "lifetime") return redirect("/dashboard/settings");
-    return html("checkout", { nav: "settings", account: acc, payApi: process.env.PAY_API || "https://pay.pingql.com" });
+    return html("checkout", { nav: "settings", account: acc, payApi: process.env.PAY_API || "https://pay.pingql.com", invoiceId: null });
+  })
+
+  // Existing invoice by ID — survives refreshes
+  .get("/dashboard/checkout/:id", async ({ cookie, headers, params }) => {
+    const resolved = await getAccountId(cookie, headers);
+    if (!resolved?.accountId) return redirect("/dashboard");
+    const [acc] = await sql`SELECT plan, plan_expires_at FROM accounts WHERE id = ${resolved.accountId}`;
+    return html("checkout", { nav: "settings", account: acc, payApi: process.env.PAY_API || "https://pay.pingql.com", invoiceId: params.id });
   })
 
   // New monitor