Note: Skip this step if you have already got the accesskey.
Open the home page of console of Alibaba Cloud at https://home-intl.console.aliyun.com.
Note: this page requires user to log in first and find Message Service by moving arrow of mouse on Products > Base Services > Application Services> Message Service.
Move arrow on Account Name at the top right corner of website. And click accessskeys in the pop-up dialog.
Get the accesskey from the Accesskey Management website by clicking show.
Note: if there is not any access key, you can create a new key by clicking the button Create Access Key.