ActionController::API *does* support cookies, sessions
ActionController::API *does* support cookies, sessions

ActionController:bb123ab273db2cee94fe78be44f8c6213d463292@_request"`)
https://github.com/rails/rails/blob/a3dcba42e2422eb9c2e77011a39ce72dc934b420/actionpack/lib/action_controller/metal.rb#L149

Though the ActionController::Cookies modules isn't included, it's really a convenience for providing a first class `cookies` object.

*all* ActionController::Metal subclasses support setting cookies via the `session` object.
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