beatsaber-overlay/pages/api/mockdata.js

export default async function handler(req, res) {
	res.json({
		avatar:
			"https://avatars.akamai.steamstatic.com/4322d8d20cb6dbdd1d891b4efa9952a9679c9a76_full.jpg",
		country: "GB",
		pp: 0,
		rank: 0,
		countryRank: 0,
	});
}