Ten days with everything included, no card and no lock-in. On Enterprise the trial runs for thirty days. You pick a plan when it ends; if you don't, nothing is charged.
And if none of this was your case?
If you are already a customer, write from inside the app: it arrives with your company attached and gets solved sooner. If you are not one yet, or you want to talk about a migration, about pricing or to the press, that is what the contact form is for.