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"Klout has just released Version 2 of its\u00A0API to address the service's recent, massive growth in traffic. According to the announcement, the company now\u00A0serves a jaw-dropping 30 billion API calls per month for over 6,000 partners.\r\n\r\nTo put this into perspective, only three months ago Klout's API calls were at 10.5 billion. As you can see in the chart below, the cause for a re-tuned API is quite clear, as Klout's data-serving traffic has nearly tripled since the end of January.\r\n\r\n\r\n\r\nAfter developing and using V2 of the API internally (and in Klout's\u00A0iPhone app), it is officially ready for self-service developer registration. According to Klout,\u00A0V2 of its API offers a number of improvements over V1:\r\n\r\n\r\n\tInstead of being Twitter-focused, it\u2019s now \u201CKlout-focused;\u201D we offer a service that translates identifiers from Twitter to Klout IDs to facilitate speed and to incorporate influence from other networks in the future.\r\n\tThe new API is faster, asynchronous and has a new caching system.\r\n\tBecause it\u2019s based on our internal architecture, we\u2019ll soon release new features to the API. More on this below.\r\n\r\n\r\nMost significantly, the new API has upgraded to an\u00A0oAuth2-based authentication system, allowing\u00A0Klout users to give +K to influencers across the Web...off of\u00A0Klout.com. Users of Klout are likely familiar with the +K, but so far it really hasn't meant much to influencers. Now, if the K spreads with the API, it\u00A0may soon actually matter.\r\n\r\nIf you're ready to jump in and get started,\u00A0head over to Klout's developer site,\u00A0sign up for a key and explore the\u00A0Interactive Documentation. Note: If you aren't sure what that actually means, you probably aren't a developer.\r\n\r\nIf you're a user of the previous API release, you'll have to upgrade from V1 before it's shut down on December 31st, 2012. For more, check out the official blog post detailing the release."^^<http://www.w3.org/2001/XMLSchema#string>
<http://thenextweb.com/insider/2012/05/03/klout-releases-version-2-of-its-api-now-serves-30b-api-calls-per-month-and-6k-partners/>