Load balancers
& gateways
in 60 seconds.

Pick origins, pick a strategy. We deploy the Worker to your Cloudflare account. 7 routing strategies, 9 gateway features, health checks. Free to start.

export default {
  async fetch(request) {
    const origins = [
      { url: 'https://api1.example.com', weight: 80 },
      { url: 'https://api2.example.com', weight: 20 },
    ];

    const healthy = await checkHealth(origins);
    const selected = failover(healthy);

    return fetch(request, selected.url);
  }
}