API_KEY запрос на YouTube

Question

Я отправляю запрос

https://www.googleapis.com/youtube/v3/search?part=snippet&fields=items&channelId=UCA82IrHs0dFZ3WH1lc1wMZw&key=AIzaSyAjZnLdmfb4H23vD8oYrgi0bFmzciO1ROw

из моего приложения для Android, но у меня есть ответ 403.

youtubeResponse:

{ 
            "error": {  
                "errors": [   
                    {    
                        "domain": "usageLimits",    
                        "reason": "ipRefererBlocked",    
                        "message": "There is a per-IP or per-Referer restriction 
                                    configured on your API key and the request does 
                                    not match these restrictions. Please use the 
                                    Google Developers Console to update your API key 
                                    configuration if request from this IP or referer 
                                    should be allowed.",    
                        "extendedHelp": "https://console.developers.google.com"   
                    }  
                 ],  
                 "code": 403,  
                 "message": "There is a per-IP or per-Referer restriction configured on your API key and the request does not match these restrictions. Please use the Google Developers Console to update your API key configuration if request from this IP or referer should be allowed." 
             }
}

что не так в моем запросе? api_key для моего режима отладки правильный и он активен.