diff --git a/src/modules/management/components/WhatsappConfigModal.jsx b/src/modules/management/components/WhatsappConfigModal.jsx
index 0b8fa85..2b7e004 100644
--- a/src/modules/management/components/WhatsappConfigModal.jsx
+++ b/src/modules/management/components/WhatsappConfigModal.jsx
@@ -2,7 +2,6 @@ import { useEffect, useState } from 'react';
 import {
   getWhatsappConfig,
   saveWhatsappConfig,
-  validateWhatsappConfig,
 } from '../services/whatsappConfigService';
 
 const fieldStyle = {
@@ -69,15 +68,29 @@ export function WhatsappConfigModal({ onClose }) {
     if (!form.access_token || !form.phone_number_id) return;
     setValidating(true);
     setValidation(null);
+    const apiVersion = form.api_version || 'v25.0';
+    const url =
+      `https://graph.facebook.com/${apiVersion}/${form.phone_number_id}` +
+      `?access_token=${encodeURIComponent(form.access_token)}&fields=display_phone_number,verified_name,quality_rating`;
     try {
-      const result = await validateWhatsappConfig({
-        access_token: form.access_token,
-        phone_number_id: form.phone_number_id,
-        api_version: form.api_version || 'v25.0',
-      });
-      setValidation(result);
+      const response = await fetch(url);
+      const data = await response.json();
+      if (!response.ok) {
+        setValidation({
+          valid: false,
+          error: data?.error?.message || 'Credenciais inválidas',
+          code: data?.error?.code,
+        });
+      } else {
+        setValidation({
+          valid: true,
+          phone_number: data.display_phone_number,
+          verified_name: data.verified_name,
+          quality_rating: data.quality_rating,
+        });
+      }
     } catch {
-      setValidation({ valid: false, error: 'Erro de conexão com a Meta API' });
+      setValidation({ valid: false, error: 'Sem acesso à internet para validar' });
     } finally {
       setValidating(false);
     }
@@ -91,8 +104,9 @@ export function WhatsappConfigModal({ onClose }) {
       await saveWhatsappConfig(form);
       setSaveSuccess(true);
       setTimeout(onClose, 1200);
-    } catch {
-      setError('Erro ao salvar. Verifique os campos e tente novamente.');
+    } catch (err) {
+      const msg = err?.message || '';
+      setError(`Erro ao salvar${msg ? `: ${msg}` : '. Verifique se a migration 025 foi executada no banco.'}`);
     } finally {
       setSaving(false);
     }