Each application has its own certificated AliExpress application permission, which determines the APIs to be invoked and to be applied for by the application. After AliExpress application permission is successfully applied for, the developer can got to Open Platform Console, find your application and click“ Management” to check the application information on the App Certificate page, as shown in the following figure. The APIs that can be applied for by this application are also listed on the same page, you can click “Apply for Permissions” to apply for it. APIs that are not listed are unavailable to current application.