Develop modules for CMS systems: WordPress, 1C-Bitrix, Joomla

It is necessary to implement, publish to the market and maintain the relevance of the modules
for several CMS systems: WordPress, 1C-Bitrix, Joomla, Tilda, OpenCart...

The module allows you to accept payment by credit card / Gpay / applePay in the store on CMS.
The functionality is identical for all modules, see the link
https://docs.ckassa.ru/doc/shop-api/?shell#sozdanie-platezha-anon.

P.S. There is a library in PHP that implements the layer of communication between the client and the server.