How to make a simple payment on the site?

Question

Monetization

There is a 1-page site with a Login button in the middle of the screen. When you click on it, they ask you to enter an access code, or if it is not there, then buy it. The question is how to make a purchase of this key. What services exist? free-kassa and robo-kassa ask for several items on the site.

Answer 1

Depends. Geo audiences, payment amounts, the seller is a physicist or a lawyer, etc. are important. According to personal experience, they are most willing to pay with cards, but you need to take into account the specifics of the goods and prices.
There are more than enough aggregators for accepting payments. It would be nice to add specifics so that the answer takes shape. I think that without updating the question, this article will help you find the answer: https://habrahabr.ru/company/web_payment_ru/blog/2...