diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4b745c3..c24a40c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,11 @@
 
 Format mengikuti [Keep a Changelog](https://keepachangelog.com/) dan [Semantic Versioning](https://semver.org/).
 
+## [0.5.12] — 2026-11-05 — "gowa-test-unsaved"
+
+### Diperbaiki
+- **Test Koneksi GOWA** kini memakai nilai yang sedang diisi di form (base URL, username, password), jadi tidak perlu simpan pengaturan dulu.
+
 ## [0.5.11] — 2026-11-05 — "gowa-test"
 
 ### Ditambahkan
diff --git a/README.md b/README.md
index 2c1bba0..f4ab3e7 100644
--- a/README.md
+++ b/README.md
@@ -11,7 +11,7 @@
 
 <p align="center">
   <img src="https://img.shields.io/badge/lisensi-ISC-ADFF2F" alt="Lisensi: ISC">
-  <img src="https://img.shields.io/badge/versi-0.5.11_gowa--test-ADFF2F" alt="Versi 0.5.11 (gowa-test)">
+  <img src="https://img.shields.io/badge/versi-0.5.12_gowa--test2-ADFF2F" alt="Versi 0.5.12 (gowa-test-unsaved)">
   <img src="https://img.shields.io/badge/Node.js-%E2%89%A520-339933" alt="Node.js >= 20">
   <img src="https://img.shields.io/badge/docker-ready-2496ED?logo=docker&logoColor=white" alt="Docker">
   <a href="https://demo-openisp.oxpoe.xyz"><img src="https://img.shields.io/badge/demo-live-ADFF2F?logo=googlechrome&logoColor=black" alt="Demo"></a>
diff --git a/package.json b/package.json
index 3fa3055..1353c1d 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "open-isp",
-  "version": "0.5.11",
+  "version": "0.5.12",
   "description": "OPEN-ISP \u2014 sistem billing & manajemen ISP open-source (PWA pelanggan, multi-OLT, RADIUS, WhatsApp, QRIS)",
   "main": "app-customer.js",
   "scripts": {
diff --git a/routes/adminPortal.js b/routes/adminPortal.js
index bb46c19..e7fab36 100644
--- a/routes/adminPortal.js
+++ b/routes/adminPortal.js
@@ -6770,10 +6770,15 @@ router.post('/whatsapp/gateway-settings', requireAdminSession, express.urlencode
   res.redirect('/admin/whatsapp');
 });
 
-router.post('/whatsapp/test-gowa-connection', requireAdminSession, async (req, res) => {
+router.post('/whatsapp/test-gowa-connection', requireAdminSession, express.json(), async (req, res) => {
   try {
     const gowaSvc = require('../services/gowaWhatsappService');
-    const r = await gowaSvc.testReachability();
+    const b = req.body || {};
+    const r = await gowaSvc.testReachability({
+      baseUrl: b.gowa_base_url,
+      username: b.gowa_username,
+      password: b.gowa_password
+    });
     return res.json(Object.assign({ ok: r.reachable, success: r.reachable }, r));
   } catch (e) {
     return res.status(500).json({ ok: false, success: false, message: e.message });
diff --git a/services/gowaWhatsappService.js b/services/gowaWhatsappService.js
index ad8a783..c585bc6 100644
--- a/services/gowaWhatsappService.js
+++ b/services/gowaWhatsappService.js
@@ -131,8 +131,15 @@ async function sendGowaDocument(toPhone, documentBuffer, filename = 'file.pdf',
   });
   return { success: true, gateway: 'gowa', raw: json };
 }
-async function testReachability() {
-  const base = baseUrl();
+async function testReachability(opts = {}) {
+  // Nilai form boleh dipakai tanpa menyimpan pengaturan lebih dulu.
+  const base = String(opts.baseUrl || baseUrl()).trim().replace(/\/+$/, '') || baseUrl();
+  const headers = {};
+  if (opts.username && opts.password) {
+    headers.Authorization = 'Basic ' + Buffer.from(opts.username + ':' + opts.password).toString('base64');
+  } else {
+    Object.assign(headers, commonHeaders());
+  }
   const out = { baseUrl: base, reachable: false, healthStatus: 0, authOk: false, devices: 0, message: '' };
   try {
     const res = await fetch(base + '/health');
@@ -147,7 +154,7 @@ async function testReachability() {
     return out;
   }
   try {
-    const res = await fetch(base + '/devices', { headers: commonHeaders() });
+    const res = await fetch(base + '/devices', { headers: headers });
     out.authStatus = res.status;
     const json = await res.json().catch(function () { return null; });
     const list = (json && Array.isArray(json.results)) ? json.results : [];
diff --git a/version.txt b/version.txt
index cacdf3b..12697f7 100644
--- a/version.txt
+++ b/version.txt
@@ -1 +1 @@
-0.5.11
\ No newline at end of file
+0.5.12
\ No newline at end of file
diff --git a/views/admin/whatsapp.ejs b/views/admin/whatsapp.ejs
index 062af52..90d2bc9 100644
--- a/views/admin/whatsapp.ejs
+++ b/views/admin/whatsapp.ejs
@@ -245,7 +245,16 @@
         if (btn) { btn.disabled = true; btn.innerHTML = '<i class="bi bi-hourglass-split"></i> Menguji...'; }
         if (el) { el.style.display = 'block'; el.style.color = 'var(--muted)'; el.textContent = 'Menghubungi ' + (document.querySelector('input[name="gowa_base_url"]') || {}).value + ' ...'; }
         try {
-          var r = await fetch('/admin/whatsapp/test-gowa-connection', { method: 'POST' });
+          var payload = {
+            gowa_base_url: (document.querySelector('input[name="gowa_base_url"]') || {}).value || '',
+            gowa_username: (document.querySelector('input[name="gowa_username"]') || {}).value || '',
+            gowa_password: (document.querySelector('input[name="gowa_password"]') || {}).value || ''
+          };
+          var r = await fetch('/admin/whatsapp/test-gowa-connection', {
+            method: 'POST',
+            headers: { 'Content-Type': 'application/json' },
+            body: JSON.stringify(payload)
+          });
           var d = await r.json();
           if (el) {
             el.textContent = d.message || (d.ok ? 'GOWA terjangkau.' : 'GOWA tidak terjangkau.');