Few days back Google Plus has released OAuth application programming interface, right now they providing only user activities and circle data. I had implemented a simple login system called User authentication with Google Plus data. Try this it’s almost like twitter login system, I hope in future Google + going to release some more options.

Long days back we had posted an article Login with Facebook and Twitter. It’s now most visited article on 9lessons. I received many comments that asked to me to update the Facebook login system to get user email. So that I had modified existing script to getting Facebook email address automatically and storing Twitter OAuth tokens, take a quick look at new live demo.

Few months back we had posted an article about login with Twitter and Facebook, it is most popular on 9lessons.info. We developed a system to quick login with Google account using OpenID authentication. This script helps you to avoid registration forms and email verification system, It’s is very quick, useful and simple to integrate.

Few days back I had posted an article about Facebook Graph API connection and explained how to request facebook access token and reading home timeline feed. This post is sequel how to update Facebook wall status from third party site with existing access token in "users" table. Try demo at labs.9lessons.info

I received a tutorial requests from my reader that asked to me how to implement payment gateway system with Paypal API. In this post I want to explain how to work with Paypal Sandbox test accounts for payment system development and sending arguments while click buy now button. It’s simple and very easy to integrate in your web projects.

Last few days I have been working with APIs for instant search results, I had an idea to implement a super instant search with multiple APIs like twitter, youtube, yahoo and bing. But jquery older versions doesn’t support multiple ajax call-backs, luckily I had found Jquery 1.5 has released a new method called $.when finally I have developed super fast search at kokkoroko.com.

Yahoo instant search implementing with Yahoo Search Boss API using jquery and ajax. This is very similar to my previous post just changing few lines of code. I feel Yahoo search results better than Bing results. Use it and make your own search application.

Some days back I had posted a popular article 'Youtube instant search with Jquery and Ajax'. I received a lot of request from my readers that asked to me how to instant web search results so I had coded Bing instant search with real time search results. Just few lines of code, reading Bing search JSON API file with Jquery.