diff --git a/pos_cashdro_rounding/__manifest__.py b/pos_cashdro_rounding/__manifest__.py
new file mode 100644
index 0000000..19ea575
--- /dev/null
+++ b/pos_cashdro_rounding/__manifest__.py
@@ -0,0 +1,18 @@
+{
+    "name": "POS CashDro Rounding",
+    "version": "16.0.1.0.0",
+    "summary": "Apply cash/currency rounding to CashDro payment request amount.",
+    "category": "Point of Sale",
+    "license": "AGPL-3",
+    "author": "Criptomart",
+    "depends": [
+        "point_of_sale",
+        "pos_payment_method_cashdro",
+    ],
+    "assets": {
+        "point_of_sale.assets": [
+            "pos_cashdro_rounding/static/src/js/cashdro_rounding.esm.js",
+        ],
+    },
+    "installable": True,
+}
diff --git a/pos_cashdro_rounding/static/src/js/cashdro_rounding.esm.js b/pos_cashdro_rounding/static/src/js/cashdro_rounding.esm.js
new file mode 100644
index 0000000..e117a1f
--- /dev/null
+++ b/pos_cashdro_rounding/static/src/js/cashdro_rounding.esm.js
@@ -0,0 +1,48 @@
+/** @odoo-module */
+/**
+ * Override cashdro_send_payment_request to apply POS currency/cash rounding
+ * before sending amount to CashDro, keeping OCA integration flow.
+ */
+
+// Import the whole module and take PaymentCashdro from its exports
+// Use asset alias path and import PaymentCashdro directly
+import { PaymentCashdro } from "@pos_payment_method_cashdro/js/payment_cashdro.esm";
+
+PaymentCashdro.prototype.cashdro_send_payment_request = async function (order) {
+    const payment_line = order.selected_paymentline;
+    try {
+        // Cashdro treats decimals as positions in an integer we also have
+        // to deal with floating point computing to avoid decimals at the
+        // end or the drawer will reject our request.
+        const amount = Math.round((order.get_due(payment_line) + order.get_rounding_applied()) * 100);
+        console.log("amount: " + amount);
+        const res = await this._cashdro_request(
+            this._cashdro_payment_url({amount: amount})
+        );
+        // It comes handy to log the response from the drawer, as
+        // we can diagnose the right sytmoms for each issue
+        console.log(res);
+        const operation_id = res.data || "";
+        this.pos.get_order().cashdro_operation = operation_id;
+        // Acknowledge the operation
+        var ack_url = this._cashdro_ack_url(operation_id);
+        const res_ack = await this._cashdro_request(ack_url);
+        // Validate the operation
+        console.log(res_ack);
+        var ask_url = this._cashdro_ask_url(operation_id);
+        const operation_data = await this._cashdro_request_payment(ask_url);
+        // This might be too verbose, but it helps a lot to diagnose issues and
+        // their reasons.
+        console.log(operation_data);
+        var data = JSON.parse(operation_data.data);
+        payment_line.cashdro_operation_data = data;
+        var tendered = data.operation.totalin / 100;
+        payment_line.set_amount(tendered);
+    } catch (error) {
+        // We wan't to be able to retry after any error.
+        // TODO: catch specific exceptions
+        payment_line.set_payment_status("retry");
+        throw error;
+    }
+    return true;
+};