How to fetch blog using blogger API If this condition [closed]

Rectly I started work with blogger API v3 and I am unable to fetch data response of code in attached image and code :

// This is my js code 

async function fetchposts(){

let data = await fetch(`https://www.googleapis.com/blogger/v3/blogs/${blogId}/pages?key=${api}`);

let posts= await data.json();

console.log(posts);



}



fetchposts();

I get this response

I try to fetch blogger post but unable to fetch