Restrictions for a user's "email", "first_name", "last_name"?

Are there any restrictions (such as length and allowed characters) for the “email” address, or the “first_name” and “last_name” of a customer - anything an application should check before a request is sent to VoltCloud?

great, thank you very much

oops, what I forgot: how lang may passwords be? Up to 255 characters as well?

Password lengths are effectively unlimited.

oops, good to know, thanks!