diff --git a/htdocs/product/class/api_products.class.php b/htdocs/product/class/api_products.class.php
index 9b06b30765d..8d4b2f29522 100644
--- a/htdocs/product/class/api_products.class.php
+++ b/htdocs/product/class/api_products.class.php
@@ -1793,6 +1793,51 @@ class Products extends DolibarrApi
 		return $result;
 	}
 
+	/**
+	 * Get stock data for the product id given.
+	 * Optionaly with $selected_warehouse_id parameter user can get stock of specific warehouse
+	 *
+	 * @param  int $id ID of Product
+	 * @param  int $selected_warehouse_id ID of warehouse
+	 * @return int
+	 *
+	 * @throws RestException 500
+	 * @throws RestException 401
+	 * @throws RestException 404
+	 *
+	 * @url GET {id}/stock
+	 */
+	public function getStock($id, $selected_warehouse_id = null)
+	{
+
+		if (!DolibarrApiAccess::$user->rights->produit->lire) {
+			throw new RestException(401);
+		}
+
+		if (!DolibarrApi::_checkAccessToResource('product', $id)) {
+			throw new RestException(401, 'Access not allowed for login '.DolibarrApiAccess::$user->login);
+		}
+
+		$product_model = new Product($this->db);
+		$product_model->fetch($id);
+		$product_model->load_stock();
+
+		$stockData = $this->_cleanObjectDatas($product_model)->stock_warehouse;
+		if ($selected_warehouse_id) {
+			foreach ($stockData as $warehouse_id => $warehouse) {
+				if ($warehouse_id != $selected_warehouse_id) {
+					unset($stockData[$warehouse_id]);
+				}
+			}
+		}
+
+		if (empty($stockData)) {
+			throw new RestException(404, 'No stock found');
+		}
+
+		return ['stock_warehouses'=>$stockData];
+	}
+
 	// phpcs:disable PEAR.NamingConventions.ValidFunctionName.PublicUnderscore
 	/**
 	 * Clean sensible object datas