tikinfo-api/index.js

Lightweight unofficial TikTok API for Node.js with zero dependencies

let fetchFn;
try {
	fetchFn = globalThis.fetch || require("node-fetch");
} catch {
	throw new Error("Please install node-fetch for Node.js <18: npm i node-fetch");
}

module.exports = class TikInfo {
	constructor() {}

	async getUser(username) {
		try {
			const res = await fetchFn(`https://www.tiktok.com/@${username}`, {
				headers: {
					"User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64)"
				}
			});

			if (!res.ok) {
				return { success: false, error: `Request failed with status ${res.status}` };
			}

			const html = await res.text();
			const match = html.match(/<script id="__UNIVERSAL_DATA_FOR_REHYDRATION__" type="application\/json">([\s\S]+?)<\/script>/);
			
			if (!match?.[1]) return { success: false, error: "User data not found in page" };

			const data = JSON.parse(match[1]);
			const userInfo = data.__DEFAULT_SCOPE__?.["webapp.user-detail"]?.userInfo ?? null;

			if (!userInfo) return { success: false, error: "User not available" };

			return { success: true, data: userInfo };
		} catch (e) {
			return { success: false, error: e.message };
		}
	}
};