diff --git a/pos_payment_method_cashdro_rounding/__init__.py b/pos_payment_method_cashdro_rounding/__init__.py
new file mode 100644
index 0000000..9f3f569
--- /dev/null
+++ b/pos_payment_method_cashdro_rounding/__init__.py
@@ -0,0 +1,2 @@
+# Copyright Criptomart
+# License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl).
diff --git a/pos_payment_method_cashdro_rounding/__manifest__.py b/pos_payment_method_cashdro_rounding/__manifest__.py
new file mode 100644
index 0000000..ac4f583
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+++ b/pos_payment_method_cashdro_rounding/__manifest__.py
@@ -0,0 +1,18 @@
+{
+    "name": "POS CashDro Rounding",
+    "version": "17.0.1.0.0",
+    "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": [
+            "pos_payment_method_cashdro_rounding/static/src/js/cashdro_rounding.esm.js",
+        ],
+    },
+    "installable": True,
+}
diff --git a/pos_payment_method_cashdro_rounding/static/src/js/cashdro_rounding.esm.js b/pos_payment_method_cashdro_rounding/static/src/js/cashdro_rounding.esm.js
new file mode 100644
index 0000000..89d7dd3
--- /dev/null
+++ b/pos_payment_method_cashdro_rounding/static/src/js/cashdro_rounding.esm.js
@@ -0,0 +1,68 @@
+/** @odoo-module */
+/* Copyright Criptomart
+   License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl).
+   
+   Override cashdro_send_payment_request to apply POS currency/cash rounding
+   before sending amount to CashDro, keeping OCA integration flow.
+*/
+import {PaymentCashdro} from "@pos_payment_method_cashdro/js/payment_cashdro.esm";
+import {patch} from "@web/core/utils/patch";
+import {_t} from "@web/core/l10n/translation";
+import {ErrorPopup} from "@point_of_sale/app/errors/popups/error_popup";
+
+patch(PaymentCashdro.prototype, {
+    async cashdro_send_payment_request(order) {
+        // The payment is done in three concatenated steps:
+        // 1. The POS send a payment request, to which the Cashdro respondes
+        //    with an operation id.
+        // 2. Then the POS has to acknowledge that such operation id has
+        //    been received.
+        // 3. Once acknowledged the POS has to send a payment request to the
+        //    cashdro. Once the Cashdro responses with a "F" state (for
+        //    finished) we'll get the response and fill the tendered money
+        //    for the payment line.
+        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.
+            // Add the rounding applied to the due amount to get the correct
+            // amount to send to the cashdro when rounding is configured.
+            const amount = Math.round(
+                (order.get_due(payment_line) + order.get_rounding_applied()) * 100
+            );
+            console.log("CashDro amount with rounding: " + 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 symptoms 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 want to be able to retry after any error.
+            payment_line.set_payment_status("retry");
+            this.env.services.popup.add(ErrorPopup, {
+                title: _t("Error"),
+                body: _t("An error occurred while connecting to the cashdro."),
+            });
+            return false;
+        }
+        return true;
+    },
+});