You can revoke the global client secret yourself as follows:
- Go to your Account Settings -> Advanced tab and copy the
Global Client ID
value. - Go to the Management API v2 Explorer
- Click on Clients -> Update a client in the left sidebar.
- In the center panel, select the scopes
update:clients
andupdate:client_keys
. - In the
id
textbox, paste the global client ID that you copied in step 1. - Enter the new global client secret in the
body
textarea, like this: