esims.io only features prepaid eSIM plans and packages. Prepaid eSIM plans are just like a prepaid sim (physical plans). Prepay means prepay, it is a mobile connection that you pay in advance for operator or providers services : calls, messages, data usage. With this plan, the customer buys credit before using the services. The prepaid eSIM of physical sim card requires you to top up your account first in order to use a certain service and then you can use it until your account reaches zero or the top up period has expired (whichever comes first). After the available credit limit expires, you will no longer be able to use the services. To use the services, you need to top up your account is the eSIM or sim card allows for top-ups. Although a certain payment mechanism is already available today, with which customers can easily top up their account at any time.