use WebService::Simple;

  # Simple use case
  my $fs = WebService::Simple->new(
    base_url => "http://familysearch.org/",
    param    => { Authorization => "your_api_key", }
  );

  # send GET request to
  # http://api.flickr.com/service/rest/extra/path?api_key=your_api_key&method=flickr.test.echo&name=value
  $flickr->get( "platform/tree/persons/12345",
    { method => "Person", some_parameter => "x" });