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In SharePoint 2013 (Preview), does any of the APIs (csom, REST, etc.) work with anonymous access? With mobile access?

I haven't found any reference to this in the documentation. I did a quick test that seems to show that REST works for anonymous and mobile, but this sounds too good to be true... Thanks for any information you can share!

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up vote 0 down vote accepted

Figured it out eventually. It's a web app settings. Go to the Central Administration -> Manage web applications. Select your web app, click "Authentication Providers" in the ribbon", click the "Default" zone, disable "Require Use Remote Interfaces Permission".

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Is this something that could also apply to Office 365? – Christophe Mar 7 '13 at 16:21
This is not working for me :( I am stuck with issue for more than a week. can you please help? – Selvakumar Sep 11 '14 at 21:51

My experiences have been the opposite, it was easy to make the client object model available for anonymous access in 2010, but as far as I can tell it is not possible in 2013. The REST API ("/_api" and "/_vti_bin/client.svc") doesn't work with anonymous access in 2013.

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