redbooth-api3.js

var local_hash = window.location.hash.substr(1),
    hash_value = local_hash.substr(local_hash.indexOf(key + '=')).split('&')[0].split('=')[1],
    Data = {};

// Once OAuth handshake is done, we'll be redirected with a hash string in the location that we'll use to extract the token
if (hash_value) {
  Data.access_token = hash_value;

  call_api("organizations", {}, function (data) {
    console.log(data); // Here you have your organizations
  });
}
else {
  // We are not in the callback page, show a link to:
  // https://redbooth.com/oauth2/authorize?client_id=our_client_id&redirect_uri=our_application_url&response_type=token
}

// Helper function to call the API using json-p
// examples:
// call_api("me", {}, console.log)
// call_api("projects", {}, console.log)
// call_api("projects", { per_page: 10 }, console.log)
function call_api(endpoint, params, callback) {
  params['access_token'] = Data.access_token;
  $.ajax({
    url: "https://redbooth.com/api/3/" + endpoint,
    data: params,
    jsonp: "callback",
    dataType: "jsonp",
    success: function(response) {
      callback(response);
    }
  });
}