What is the X-FB-DEBUG header returned from Facebook?

ajax facebook header facebook-javascript-sdk jsonp
23tux picture 23tux · Mar 25, 2013 · Viewed 11k times · Source

I'm wondering what the header mentioned above is. It's included in the response when I do JSONP calls to Facebook, or even when I simply access http://static.ak.fbcdn.net/

I haven't found any documentation on facebook, e.g. on https://developers.facebook.com/docs/reference/ads-api/etags-reference/

So, hope somebody can help me. thx!

Answer

Bruno Costa picture Bruno Costa · Jan 17, 2015

A little late, but just to add more information that I think it's useful. Facebook has now a place for it in its documentation, we can find it here

If you need to report a bug in the Graph API, we include a couple of additional request headers that you should send with your bug report to help us pinpoint and reproduce your issue. These request headers are X-FB-Debug and x-fb-rev.

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