Chatwork API v2を使ってRubyでメッセージを投稿する

require 'faraday'

ROOM_ID = '' # target chat room id
CHATWORK_TOKEN = '' # your chatwork API token

conn = Faraday::Connection.new(url: 'https://api.chatwork.com') do |builder|
  builder.use Faraday::Request::UrlEncoded
  builder.use Faraday::Response::Logger
  builder.use Faraday::Adapter::NetHttp
end

response = conn.post do |request|
  request.url "/v2/rooms/#{ROOM_ID}/messages"
  request.headers = {
    'X-ChatWorkToken' => CHATWORK_TOKEN
  }
  request.body = {
    :body => 'hogehoge' # => ここに入れる文字が投稿される
  }
end