To Manage API Access Requests (Jul 2017)
The following procedure assumes that an app requests access to the Premium SLA tier of the API from its portal.
On the API version details page, click Client Applications, click the name of the SLA tier below Requested SLA tier. For example, click Premium.
Select the SLA tier you want to apply to the app.
Click Approve or Reject to grant or deny access.
Revoke appears in the UI, replacing Approve, Reject, and Delete.