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Editorial Team
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Asked: 2026-05-26T18:31:44+00:00

I’m getting the following error when trying to authenticate to Facebook with OAuth: {

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I’m getting the following error when trying to authenticate to Facebook with OAuth:

{
   "error": {
      "message": "Invalid redirect_uri: Given URL is not allowed by the Application configuration.",
      "type": "OAuthException"
   }
}

My url looks like this:

https://graph.facebook.com/oauth/authorize?client_id=283993944973616&redirect_uri=http://dennys-m.appspot.com/fb_login/&scope=publish_stream,email&display=popup

I know there are a lot of other posts with this problem, but I can’t see what would make my url invalid. Any ideas why I’m getting this error?

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1 Answer

  1. Editorial Team

    Your redirect url: http://dennys-m.appspot.com/fb_login/ must match the canvas url in https://developers.facebook.com/apps/ configuration panel.

    Fortunately, these days Facebook gives the error message Invalid redirect_uri: Given URL is not allowed by the Application configuration. About a year ago no such exception appeared, just strange results.

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