podcastindex.rb

require "net/http"
require "uri"
require "digest"
require "json"

api_key = "YOUR_API_KEY"
api_secret = "YOUR_API_SECRET"
api_header_time = Time.now.to_i.to_s
hash = Digest::SHA1.hexdigest("#{api_key}#{api_secret}#{api_header_time}")

uri = URI.parse("https://api.podcastindex.org/api/1.0/add/byfeedurl?url=https://podcastmethod.fm/rss")

Net::HTTP.start(uri.host, uri.port, use_ssl: true) do |http|
  request = Net::HTTP::Get.new(uri.request_uri)
  request["User-Agent"]     = "YOUR_USER_AGENT"
  request["X-Auth-Key"]     = api_key
  request["X-Auth-Date"]    = api_header_time
  request["Authorization"]  = hash

  response = http.request(request)

  puts "#{response.code} - #{response.message}"
  puts parsed_response = JSON.parse(response.body)
end