diff --git a/backend/index.js b/backend/index.js
index 324ba0c..2de1afb 100644
--- a/backend/index.js
+++ b/backend/index.js
@@ -174,7 +174,9 @@ app.post('/api/data', authenticateAPIKey, async (req, res) => {
 
             for (const item of payload) {
                 // Handle potential missing fields gracefully
-                const orderId = item.id || item.ID_Pedido || (item.json && item.json.body && item.json.body.id) || '';
+                // If there is no explicit ID, create a composite ID using Name + Date + Value to prevent squashing historical data
+                const fallbackId = `${item.Nome_Cliente}_${item.Data_Pedido}_${item.Valor_Pedido}`;
+                const orderId = item.id || item.ID_Pedido || (item.json && item.json.body && item.json.body.id) || fallbackId;
                 
                 const values = [
                     item.Nome_Cliente || 'Unknown',