gist.js

var secure = true;

var files = [{ 
  "name" : "file1.txt",
  "contents" : "foo1",
  "ext" : "txt",
 }, { 
  "name" : "file2.php",
  "contents" : "<?php phpinfo();",
  "ext" : "php",
 },
];

var url = "https://gist.github.com/api/v1/json/new";
var data = {
 /** optional
'login': 'Github username',
'token': 'Github API token',
*/

 "file_name" : {},
 "file_contents" : {},
 "file_ext" : {}
};

for(var i in files){
 data.file_name[i] = files[i]["name"];
 data.file_contents[i] = files[i]["contents"];
 data.file_ext[i] = files[i]["ext"];
}

if(secure == true) 
 data.private = true;

jQuery.post(url, data, function(json) {
 if(json){
   var repo = json.gists[0].repo;
   console.log("http://gist.github.com/"+repo);
 }
}, "json");