DanCanetti

// More explicit information + handling the result
$.ajax('https://api.tumblr.com/v2/blog/codingjester.tumblr.com/posts', 
  {
    dataType:'jsonp', 
    data: { 
        limit : 1, 
        api_key : 'your_key'
    }, 
    success: function(posts) { 
      var postings = posts.response.posts;