diff --git a/src/pages/POS/Clients/BillingRequestDetailModal.vue b/src/pages/POS/Clients/BillingRequestDetailModal.vue
index 941c5b1..cb553e4 100644
--- a/src/pages/POS/Clients/BillingRequestDetailModal.vue
+++ b/src/pages/POS/Clients/BillingRequestDetailModal.vue
@@ -161,7 +161,6 @@ const sendInvoiceByWhatsapp = async () => {
             phone_number: request.client.phone,
             invoice_number: request.sale?.invoice_number || `SOL-${request.id}`,
             pdf_url: request.invoice_pdf_url,
-            xml_url: request.invoice_xml_url || null,
             customer_name: request.client.name
         });
 
diff --git a/src/services/whatsappService.js b/src/services/whatsappService.js
index 51a7349..ec80290 100644
--- a/src/services/whatsappService.js
+++ b/src/services/whatsappService.js
@@ -1,4 +1,6 @@
-import { api, apiURL } from '@Services/Api';
+import { apiURL, token } from '@Services/Api';
+import { page } from '@Services/Page';
+import axios from 'axios';
 
 /**
  * Servicio para enviar mensajes por WhatsApp
@@ -9,15 +11,25 @@ const whatsappService = {
      * @param {Object} data - Datos de la factura
      * @returns {Promise}
      */
-    async sendInvoice({ phone_number, invoice_number, pdf_url, xml_url, customer_name }) {
+    async sendInvoice({ phone_number, invoice_number, pdf_url, xml_url = null, customer_name }) {
         try {
-            const { data } = await window.axios.post(apiURL('whatsapp/send-invoice'), {
-                phone_number,
-                invoice_number,
-                pdf_url,
-                xml_url,
-                customer_name
-            });
+            const { data } = await axios.post(
+                apiURL('whatsapp/send-invoice'),
+                {
+                    phone_number,
+                    invoice_number,
+                    pdf_url,
+                    xml_url,
+                    customer_name
+                },
+                {
+                    headers: {
+                        'Content-Type': 'application/json',
+                        'Accept': 'application/json',
+                        'Authorization': `Bearer ${token.value}`
+                    }
+                }
+            );
             return data;
         } catch (error) {
             const errorData = error.response?.data?.data || error.response?.data;
@@ -33,10 +45,20 @@ const whatsappService = {
      */
     async sendMessage({ phone_number, message }) {
         try {
-            const { data } = await window.axios.post(apiURL('whatsapp/send-message'), {
-                phone_number,
-                message
-            });
+            const { data } = await axios.post(
+                apiURL('whatsapp/send-message'),
+                {
+                    phone_number,
+                    message
+                },
+                {
+                    headers: {
+                        'Content-Type': 'application/json',
+                        'Accept': 'application/json',
+                        'Authorization': `Bearer ${token.value}`
+                    }
+                }
+            );
             return data;
         } catch (error) {
             const errorData = error.response?.data?.data || error.response?.data;