Where can I find normal documentation on api intellij idea?

Question

Java

Can't find intellij idea api documentation (for plugin development). Does anyone know if it exists, and if so, where. But if it does not exist at all (which will be very strange), then who can explain a couple of points?

Answer 1

Here is the IntelliJ Platform SDK documentation www.jetbrains.org/intellij/sdk/docs/index.html