You can revoke all currently valid
API keys, in the event one or more keys are compromised. To change
an API key associated with an administrator account change the password associated
with the administrator account. API keys that were generated
before you expired all keys, or a key that was created using the
previous credentials will no longer be valid.
you use Panorama to manage your firewalls, Panorama and all of the
firewalls that it manages must have the same master key.