Which payment system to choose for an English school on the Internet?

Question

Payment systems

Hello community!
Scheme: a person who wants to learn a foreign language enters the site, decides on payment, chooses the number of lessons, level and pays the specified amount.
Question: Are there existing solutions for similar projects? What acquiring system would be suitable for this scheme?
PS
Ideally, of course, at the same time, control the schedule, have a dashboard of paid students, clients, something like a built-in CRM. But, in fact, it can also be an integrated application in, for example, Bitrix24.

Answer 1

Here I see 2 questions.
1. Which payment terminal to use.
Well, from domestic ones, these are Interkassa, Robokassa, RBK. Of the international ones, these are 2CO and PayPal.
2. Are there ready-made systems.
Yes, I have. I know only one if Joomla suits, then there are Cobalt and Emerald extensions for it. Emerald will help organize the acceptance of payments and restrict subscription access to content, lessons, etc. on a paid basis. All of the above systems are already integrated. And cobalt can create content that is easy to view, search, study. Even with step by step access.