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Amazon launches single sign-on service for third party developers

updated 11:09 am EDT, Wed May 29, 2013

Authentication system to allow in-app purchasing using Amazon services

Amazon has launched its own single sign-on service for third parties. Titled Login with Amazon, the system will function in a similar manner to existing one-click authentication systems offered by other social networks, in order to help web developers and app creators encourage users to register an account and, in the case of mobile apps, to spend money.

In a similar way to how Facebook, Twitter, Google+ and others operate their own versions, Login with Amazon will allow users to click on a button in an app or website to sign in. Authentication is performed over OAuth 2.0, and passes enough basic information to the third party service in order to create a new account or access an existing one.

A software development kit is being provided by Amazon to developers, which will integrate with websites, iOS, Android, and Amazon Appstore apps. While it is said to be easily integrated into apps and websites "in a matter of hours" and will allow for optional extras such as achievements for games and Whispersync to be added to services, Amazon will be restricting the use of its payment system to in-app purchases.

The Login with Amazon system could potentially become as synonymous with quick account access as Facebook as time goes on. Early tests by Zappos found 40 percent of new customers signing in with the Amazon account, while Woot claims to have seen twice as many new log ins through Amazon compared to other social login services the site uses.

by MacNN Staff



  1. Inkling

    Senior User

    Joined: 07-25-06

    Even handier would be a single, linkable webpage for individual books that wouldn't be as cluttered with extraneous links as Amazon's typical detail page. It'd include links to that particular book in all formats and at all Amazon's stores, along with the price and availability in each country. Later, it could also include links to that author's other books and explanations of where books in a series appear.

    Authors could use it to provide a one-clink link to potential customers from wherever they come. It could also offer one-stop Associate linking no matter where a book is sold in. Setting up Associate accounts in each country is a pain that will grow worse as Amazon expands.

    Currently, my webpages try to provide links to Amazon stores in each country. But that's such a hassle, I rarely keep the links up to date. That means Amazon is losing customers, particularly overseas.

    --Michael W. Perry, author of Hospital Gowns and Other Embarrassments.

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