Looking for logging into the Google Api Php Required Curl site and are not getting the correct working link for it? In such a case, you can use the links given here by searching your desired login page in the search box. If the page is present on our website then you will get all the links related to the Google Api Php Required Curl site. After that you can login as usual with your login credentials.
https://konstantin.blog/2009/google-docs-api-client-login-with-php-and-curl/
https://stackoverflow.com/questions/17667497/google-calendar-api-error-401-login-required
https://www.daimto.com/google-authentication-with-curl/
http://usefulangle.com/post/9/google-login-api-with-php-curl
https://developers.google.com/gdata/articles/using_cURL
https://developers.google.com/+/web/samples/php
https://groups.google.com/d/topic/google-analytics-data-export-api/jIQaR8ItqGQ
https://github.com/WP-API/WP-API/issues/509
https://developers.onelogin.com/api-docs/1/login-page/login-user-via-api
https://cloud.google.com/vision/docs/using-curl?hl=de
http://docs.guzzlephp.org/
https://hackernoon.com/creating-rest-api-in-php-using-guzzle-d6a890499b02
https://www.electrictoolbox.com/php-curl-sending-username-password/