def post(api, options = {})
      options[:apikey] = SmartSMS.config.api_key
      uri = URI.join(base_url, api)
      res = Net::HTTP.post_form(uri, options)
      result res.body
    end
def post(api, options = {})
      options[:apikey] = SmartSMS.config.api_key
      uri = URI.join(base_url, api)
      res = Net::HTTP.post_form(uri, options)
      result res.body
    end
Method that use `Net::HTTP.post_form` to perform `POST` action