Simple Function That Handles Using Roblox Api For You

requestRobloxApi.js

async function robloxApiRequest({
	robloSecurity,
	apiKey,
	method,
	subdomain,
	path,
	body,
}) {
	if (body != null && typeof(body) !== "string") {
		body = JSON.stringify(body);
	};

	const url = `https://${subdomain}.roblox.com/${path}`;
	const headers = new Headers({
		"X-API-Key": apiKey,
		"Content-Type": "application/json",
		"User-Agent": "Roblox/WinInet",
		"Origin": "https://www.roblox.com",
		"Referer": "https://www.roblox.com/",
		"Cookie": robloSecurity ? `.ROBLOSECURITY=${robloSecurity};` : undefined,
	});

	const options = {
		"headers": headers,
		"body": body,
		"method": method,
	};

	let response = await fetch(url, options);

	if (response.status === 403) {
		const csrfToken = response.headers.get("x-csrf-token");

		if (csrfToken) {
			headers.set("x-csrf-token", csrfToken);
			response = await fetch(url, options);
		}
	}

	const contentType = response.headers.get("content-type") || "";
	let result;

	if (contentType.includes("application/json")) {
		result = await response.json();

		const errors = result?.errors;
		if (!response.ok && Array.isArray(errors)) {
			throw new Error(errors.map(error => error.message || String(error)).join("\n"));
		}
	} else {
		result = await response.text();
	}

	if (!response.ok) {
		throw new Error(`HTTP Error: ${response.status} ${response.statusText}`);
	}

	return result;
}