You can view the billing details of each OpenSearch instance in the Alibaba Cloud Management Console. The billing details include the expenses of instance leasing, storage, and computing resources. Procedure:
1. Log on to the Alibaba Cloud Management Console.
2. In the upper-right corner of the page, choose Expenses > Bills.
3. In the left-side navigation pane, choose Order Management > Order.
4. On the Orders page, select OpenSearch from the Product drop-down list.
5. Select opensearch_pre or opensearch_post from the drop-down list next to the Product drop-down list.
6. Find an order that you want to view and click View Details in the Actions column.
Note: Custom names of OpenSearch instances that are created after January 29, 2019 are displayed in order details to help you understand orders.