RFC 7009 token revocation
curl -X POST "https://your-instance/api/auth/oauth2/revoke" \ -H "Content-Type: application/x-www-form-urlencoded" \ -d 'token=string'Empty
curl -X POST "https://your-instance/api/auth/oauth2/revoke" \ -H "Content-Type: application/x-www-form-urlencoded" \ -d 'token=string'