Python:
googleapiclient.errors.HttpError: <HttpError 403 when requesting https://customsearch.googleapis.com/customsearch/v1?q=%D0%9C%D0%B0%D0%BD%D1%83%D0%B0%D0%BB+%7C+intext%3A%28%D0%9C%D0%B0%D0%BD%D1%83%D0%B0%D0%BB%29+site%3Atelegra.ph+%7C+site%3Ateletype.in&cx=&num=10&alt=json returned "Method doesn't allow unregistered callers (callers without established identity). Please use API Key or other form of API consumer identity to call this API.". Details: "[{'message': "Method doesn't allow unregistered callers (callers without established identity). Please use API Key or other form of API consumer identity to call this API.", 'domain': 'global', 'reason': 'forbidden'}]">