Cart data

[Mpese-Joao]

I want to kno if it is possible to access the cart data through the App?
I'm asking because i'm developing an app to read cart data. But whenever a press the button i get 401 error:

const fetchBigCommerceData = async () => {
try {
const response = await fetch(
"https://api.bigcommerce.com/stores/aherf0o3nw/v3/carts/{CartId}",
{
headers: {
"Accept" : "application/json",
"Content-Type" : "application/json",
"X-Auth-Token" : "4*****************************,
"X-Auth-Client" : "a*****************************",
},
mode: "no-cors",
}
);