Alibaba Cloud DevOps allows using access token to call OpenAPIs.
Create an access token
Log on to Alibaba Cloud DevOps. In the upper-right corner, click the profile picture and then select Personal Settings.

In the left-side navigation pane, click Access Token. On the page that appears, click Create Access Token and configure the following settings:
Token Name: Enter a custom name.
Expiration Date: Set an expiration date for the token.
Select Permissions: Select the permissions to control access..

Click Create. Then, copy and save the token.
ImportantNote: The token value is only displayed upon creation and will not be visible later. Alibaba Cloud DevOps will encrypt your token. Make sure that you keep it safe.
Access token permissions
The following figure shows all the permissions. 
Manage the access token
To modify the token configuration, click the
icon.To delete the token, click the
icon. When the token is deleted, its permissions are immediately revoked.