After you signup for an account, you 10-day period trial will start. You are not going to be billed during your trial period unless you subscribe to one of our plans.
There is no contract other than agreeing to our terms of service. You can upgrade, downgrade or cancel your subscription at any time.
By default API is not activated on the trial plans. If you would like to test the API, just send us an email and we will be happy to activate it for you.
Yes, you can cancel your subscription anytime you want.