gistfile1.rb

require 'httparty'
require 'cgi'
require 'time'
require 'active_support/time'

class Temporize
  include HTTParty
  base_uri 'https://api.temporize.net/v1'
  format :json
  basic_auth '...', '...'

  def recurring
    cron = CGI::escape("0 12 * * ?")
    url = CGI::escape('http://example.com/callback') # Replace with your callback URL
    Temporize.post("/events/#{cron}/#{url}")
  end
end

t = Temporize.new
puts t.recurring.body  # => failed to parse either date or cron expression