The Lite version requires a minimum of 10,000 API Calls to be purchased for 6 $OST each = 60,000 OST minimum plus 6 $OST per each additional.

The Plus version includes more features and support, but requires a minimum of 25,000 API calls to be purchased for 10 $OST each = 250,000 $OST minimum plus 10 $OST per each additional.