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I understend it is about APP Secret, but what about the Developer ID? The developer ID is added in the URL address of the window for login the user with Facebook:


The APP_ID can be copied and used by anyone. I tryed with JavaScript SDK, and with PHP SDK, but in both cases the developer ID appears in the address bar. I tryed also the get and display the page from that URL address using cURL, but of course not works. Is there any way to login the users in my web site using Facebook, without revealing the developer ID? Or, it doesn't matter if someone uses your Facebook APP ID?

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2 Answers 2


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It doesn't matter, this is essentially public information.

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