I thought this would be straight forward, but for some reason I'm getting hammered on this one.

I'm using PHP + CURL to try and retrieve a list of Web Fonts. The code is simple:

        $url = "https://www.googleapis.com/webfonts/v1/webfonts?sort=popularity&key=MY_SERVER_APPS_KEY";

        $ch = curl_init();
        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);
        curl_setopt($ch, CURLOPT_HEADER, false);
        curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
        curl_setopt($ch, CURLOPT_URL, $url);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE);
        $google_response = curl_exec($ch);
        curl_close($ch);

The code is hitting Google, but $google_response always returns:

"error": {
    "code": 403,
    "errors": [
        {
            "domain": "usageLimits",
            "reason": "accessNotConfigured",
            "message": "Access Not Configured"
        }
    ],
    "message": "Access Not Configured"
}

I've set up a server access key and put both of my web server's API keys on it. (To verify my IP, I did a WGET on curlmyip.com) I've also enabled the "Web Fonts Developer API" from the Services tab.

Is there anything I could be overlooking?

google-api http-status-code-403
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