Please be kind.

http://viewtext.org/api/text?url={url}&format={format}&callback={callback}

• {url}: REQUIRED. The url of the text to fetch
• {format}: OPTIONAL. The return type. Valid values are: html, json, xml. Default is html
• {callback}: OPTIONAL, only required for JSONP. The JSONP callback method
• 
  Other optional parameters
• &rl={true/false}: Redirect links in text through viewtext.org. Default true.
• &mld={decimal}: Remove HTML nodes with a link density greater than or equal to {decimal}. Default .8

Example with jQuery

$("#button").click(function () {
	    $.getJSON("http://viewtext.org/api/text?url=" + $("#url").val() + "&callback=?",
	    function (data) {
		    $("#article-text-demo").html(data.content);
	    });
    });
    

Demo