const addToCartForm = JSON.parse(document.getElementById("__NEXT_DATA__").innerText).props.initialState.product.addToCartForm;
const quantity = 1;
const referrer = window.location.href;
fetch("https://www.pokemoncenter.com/tpci-ecommweb-api/cart?type=product&format=nodatalinks", {
"headers": {
"x-application-name": "tempo",
"accept": "application/json",
"accept-language": "en-GB,en;q=0.9",
"content-type": "application/json",
"sec-ch-ua-mobile": "?0",
"sec-fetch-dest": "empty",
"sec-fetch-mode": "cors",
"sec-fetch-site": "same-site",
},
"referrer": referrer,
"body": "{\"productURI\":\""+addToCartForm+"\",\"quantity\":"+quantity+",\"configuration\":{}}",
"method": "POST",
"mode": "cors",
"credentials": "include"
})
window.open("https://www.pokemoncenter.com/cart")
5. Hit enter.