def verify(api_key = nil)
      raise ConfigurationError, "You must provide an API key to verify" if api_key.nil? && self.api_key.nil?
      perform(:verify, { :providerkey => provider_key, :apikey => api_key || self.api_key }, :get, Success)
    end
def verify(api_key = nil)
      raise ConfigurationError, "You must provide an API key to verify" if api_key.nil? && self.api_key.nil?
      perform(:verify, { :providerkey => provider_key, :apikey => api_key || self.api_key }, :get, Success)
    end
Verify the configured API key is valid