diff --git a/src/pages/POS/Clients/BillingRequestDetailModal.vue b/src/pages/POS/Clients/BillingRequestDetailModal.vue
index dba6877..a159186 100644
--- a/src/pages/POS/Clients/BillingRequestDetailModal.vue
+++ b/src/pages/POS/Clients/BillingRequestDetailModal.vue
@@ -158,11 +158,11 @@ const sendInvoiceByWhatsapp = async () => {
 
     try {
         const ticket = request.sale?.invoice_number || `SOL-${request.id}`;
-        await whatsappService.sendDocument({
+        await whatsappService.sendInvoice({
             phone_number: request.client.phone,
-            document_url: request.invoice_pdf_url,
-            filename: `${ticket}.pdf`,
-            ticket,
+            invoice_number: ticket,
+            pdf_url: request.invoice_pdf_url,
+            xml_url: request.invoice_xml_url ?? null,
             customer_name: request.client.name
         });