ChatGPT Business with "synechronsg" promotion code. (Tax-Free!)

ChatGPT-Business-synechronsg.js

const throwError = (message) => {
    alert(message);
    throw new Error(message);
};
if (!window.location.href.startsWith('https://chatgpt.com/')) {
    throwError('This script must be running on https://chatgpt.com only.');
}
await fetch('https://chatgpt.com/cdn-cgi/trace').then(async (response) => {
    if (!(await response.text()).includes('\nloc=SG\n')) {
        throwError('Enable Singapore VPN first!');
    }
    await fetch('https://chatgpt.com/api/auth/session').then(async (response) => {
        const accessToken = (await response.json())?.accessToken;
        if (!accessToken) {
            throwError('Access token not found!');
        }
        await fetch('https://chatgpt.com/backend-api/payments/checkout', {
            method: 'POST',
            headers: {
                Authorization: `Bearer ${accessToken}`,
                'Content-Type': 'application/json'
            },
            body: JSON.stringify({
                plan_name: 'chatgptteamplan',
                team_plan_data: {
                    workspace_name: 'Workspace',
                    price_interval: 'month',
                    seat_quantity: 2
                },
                billing_details: {
                    country: 'LA',
                    currency: 'SGD'
                },
                cancel_url: 'https://chatgpt.com',
                promo_code: 'synechronsg',
                checkout_ui_mode: 'hosted'
            })
        }).then(async (response) => {
            const url = (await response.json())?.url;
            if (!url) {
                throwError('Failed to place order!');
            }
            window.location.href = url;
            alert('Disable the VPN now!');
        });
    });
});