When it starts
The free trial is 14 days. It starts when you choose a plan after account access is open. Joining early access does not start a trial and does not charge a card.
What you need
A payment method is required to start the trial. $0 is due when the trial begins. Cancel before the trial ends if you do not want the subscription to start.
What is included
The trial uses the plan you selected, including that plan's user, location, email, and SMS allowances.