SSO
Get flash to fully experience Pearltrees
Authentication and Authorization for Google APIs - Google Code
Authorization services let users provide your application with access to the data they have stored in Google applications. Google takes privacy seriously, and any application that requires access to a user's data must be authorized by the user.
API Documentation | foursquare Developers
The foursquare API can only be accessed via OAuth 2.0 . This is really important to help us track usage of the API by your applications while keeping our users’ data safe. It’s a standard used by various large API providers, including the Facebook Graph API. If you had a rough experience trying to use OAuth 1.0, rest assured the new version is radically simpler and more awesome. There are various tutorials floating around, but one we found helpful was this blog post . Start by registering your application and obtaining your API credentials.This document continues where that one leaves off, letting you know the best ways to convert an authenticated LinkedIn member into an identified member of your site. After the member has signed in, you have access to their member id and basic profile information. Your key is getting that data back to your server. And the following in your > body < : [html] Your Name: " /> Your Password: " />
Sign In With LinkedIn | LinkedIn Developer Network
Sign in with Twitter | Twitter Developers
Updated on Tue, 2011-11-22 15:34 Place a button on your site or application which allows Twitter users to enjoy the benefits of a registered user account in as little as one click. Works on websites, iOS, mobile and desktop applications.
Social Plugins are the easiest way to get started with Facebook Platform. The plugins are embeddable social features that can be integrated in your site with a line of HTML. Because they are hosted by Facebook, the plugins are personalized for all users who are currently logged into Facebook, even if they are visiting your site for the first time. The most important Social Plugin is the Like Button , which enables users to share your page with their friends with one click.
for Websites - Facebook Developers
Run a web site and want to make it easier to sign up or sign in? Find out how to add OpenID to your site in a few steps by using a free, open source library. In May of last year a group of security researchers identified a flaw in some OpenID implementations. They have recently identified… Read more
OpenID Foundation website