We charge your credit card on the 1st of each month; after the first full month of creating your account, and every month thereafter until you cancel your account. So, if you signed up for the Lite plan on January 15th, we'll charge you for your first payment on March 1st (February being your first full month).
Also, if you switch from the Free plan to the Post, Lite, Professional, or Enterprise Plan, in a given 30-day period, we will charge you for the most expensive plan for that month. For example, if you upgrade to Lite for three days then switch back to the Free plan, we will charge you $99 for that month.
To learn more about our plans, see Pricing and Features.