require "net/https"

url = URI.parse("https://api.pushover.net/1/messages.json")
req = Net::HTTP::Post.new(url.path)
req.set_form_data({
  :token => "abc123",
  :user => "user123",
  :message => "hello world",
})
res = Net::HTTP.new(url.host, url.port)
res.use_ssl = true
res.verify_mode = OpenSSL::SSL::VERIFY_PEER
res.start {|http| http.request(req) }