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Cloudflare Durable Objects

Stateful serverless objects with their own SQLite storage, for coordination, chat, and multiplayer apps. · Cloudflare · Compute

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Overview

Durable Objects are available on the Workers Free plan. Past a daily limit, further operations fail.

Good fit

Use when you need strongly consistent state per room, user, or document.

  • realtime apps
  • coordination

Not a fit

Avoid for simple stateless APIs.

  • simple CRUD
Quickstart · 3 steps
  1. Define a Durable Object class in a Worker.
  2. Add the binding and a migration in wrangler config.
  3. Get a stub by ID and call its methods.

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