How to use yahoo answer API instead of screen scraping?

Im trying to figure out how to use yahoo answer API since this is my first using yahoo API, from what I have observe in google API its very simple to use and they provide and detailed manual on how to use it and give you sample codes. In yahoo software development kit, the sample code is all about yahoo search, i can't find any related from yahoo answer.. Sorry im confuse about http://developer.yahoo.com/answers/. I don't know where to start. Any help?

 

I can't offer help but this a great topic and I would love to know what you find out. Can you update it?

 

Will this help you ? http://www.wickedfire.com/sell-buy-trade/39737-yahoo-answers-scraper-wordpress.html

 

Here's something to get you started using the API. It uses PHP and simplexml.

<?php


$url = "http://answers.yahooapis.com/AnswersService/V1/getByCategory?appid=YahooDemo&category_id=396545664";
$data = file_get_contents($url);
$answers = new SimpleXMLElement($data);


foreach($answers as $answer)
{
    echo $answer->Category."\n";
    echo $answer->Subject."\n";
    echo $answer->Content."\n";
    echo "\n";
}


?>

Code (markup):

 

I went to the URL in that example and it gives this response, nothing more:
Request Rate Limited

Could the API / site be down?

this information is found at the bottom of the page about Y!A API.

RATE LIMITS

Yahoo! Web Search web services are limited to 5,000 queries per IP per day per API. See information on rate limiting and our Usage Policy to learn about acceptable uses and how to request additional queries.

ERRORS

The Yahoo! Answers Web Search services return the standard errors. There are no service-specific errors.