Admin Panel API for plugins
A Strapi plugin can interact with both the back end and the front end of a Strapi application. The Admin Panel API is about the front end part, i.e. it allows a plugin to customize Strapi's admin panel.
A Strapi plugin can interact with both the back end and the front end of a Strapi application. The Admin Panel API is about the front end part, i.e. it allows a plugin to customize Strapi's admin panel.
Generation introduction about Strapi plugins development
Strapi's Server API for plugins allows a Strapi plugin to customize the back end part (i.e. the server) of your application.