rails - “WARNING: Can't verify CSRF token authenticity” for json devise requests

Question

How can I retrieve the CSRF token to pass with a JSON request?

I know that for security reasons Rails is checking the CSRF token on all the request types (including

Answer 1

I have used the below. Using include? so if the content type is application/json;charset=utf-8 then it is still working.

protect_from_forgery with: :null_session, if: Proc.new { |c| c.request.format.include? 'application/json' }