diff --git a/apps/api/src/services/cfdi.service.ts b/apps/api/src/services/cfdi.service.ts
index 568b003..0e44940 100644
--- a/apps/api/src/services/cfdi.service.ts
+++ b/apps/api/src/services/cfdi.service.ts
@@ -86,6 +86,7 @@ export async function getCfdiById(schema: string, id: string): Promise<Cfdi | nu
       tipo_cambio as "tipoCambio", metodo_pago as "metodoPago",
       forma_pago as "formaPago", uso_cfdi as "usoCfdi",
       estado, xml_url as "xmlUrl", pdf_url as "pdfUrl",
+      xml_original as "xmlOriginal",
       created_at as "createdAt"
     FROM "${schema}".cfdis
     WHERE id = $1
@@ -94,6 +95,14 @@ export async function getCfdiById(schema: string, id: string): Promise<Cfdi | nu
   return result[0] || null;
 }
 
+export async function getXmlById(schema: string, id: string): Promise<string | null> {
+  const result = await prisma.$queryRawUnsafe<[{ xml_original: string | null }]>(`
+    SELECT xml_original FROM "${schema}".cfdis WHERE id = $1
+  `, id);
+
+  return result[0]?.xml_original || null;
+}
+
 export interface CreateCfdiData {
   uuidFiscal: string;
   tipo: 'ingreso' | 'egreso' | 'traslado' | 'nomina' | 'pago';