google index api not working

Hello,

Thanks for all your useful articles.
I tried using the Google API to auto index my post instantly. I went through with your procedures but got the error message below:

“Request is missing required authentication credential. Expected OAuth 2 access token, login cookie or other valid authentication credential. See https://developers.google.com/identity/sign-in/web/devconsole-project.”

This is the full raw response when expanded;
“7:32:33 PM update https://igettalk.com/2021/05/how-pastor-dare-adeboye-death-could-have-been-avoided.html
{
“error”: {
“code”: 401,
“message”: “Request is missing required authentication credential. Expected OAuth 2 access token, login cookie or other valid authentication credential. See https://developers.google.com/identity/sign-in/web/devconsole-project.”,
“errors”: [
{
“message”: “Login Required.”,
“domain”: “global”,
“reason”: “required”,
“location”: “Authorization”,
“locationType”: “header”
}
],
“status”: “UNAUTHENTICATED”
}
}
——————————————————–

Kindly assist.
My email is c********@g********