API Document for latest Router OS Version

We are trying to integrate our Mikrotik router CCR1036-8G-2S+ with Bandwidth manager router of 24online server and they have requested us to provide them with API document of Mikrotik router of current router OS version any that is available.

https://wiki.mikrotik.com/wiki/Manual:API
It says “This page was last edited on 29 April 2020, at 13:28.”
At the bottom one can find links for API implementations in different languages like C, C++, Java, PHP, C#, …