cloudflare/durable-objects
FreeStateful coordination with RPC, SQLite, and WebSockets
FreeFree tier
About cloudflare/durable-objects
Cloudflare Durable Objects provide stateful coordination within the Cloudflare Workers ecosystem, enabling low-latency, globally distributed state management with RPC, SQLite, and WebSocket support. They allow developers to build real-time collaborative applications, multiplayer games, chat systems, and distributed workflows with strong consistency and automatic scaling.
Key Features
Global state management
Low-latency coordination via RPC
Built-in SQLite storage
WebSocket support for real-time communication
Automatic scaling across Cloudflare's network
Pros & Cons
Pros
- Seamless integration with Cloudflare Workers
- Strong consistency guarantees
- Automatic scaling and fault tolerance
- Low global latency due to edge deployment
Cons
- Vendor lock-in to Cloudflare ecosystem
- Limited to Cloudflare Workers runtime
- Cold start latency for infrequently accessed objects
- Learning curve for stateful programming model
Best For
Real-time collaborative applicationsMultiplayer game state synchronizationChat rooms and messaging systemsDistributed workflow coordinationLeaderboards and persistent counters
FAQ
What are Cloudflare Durable Objects?
Durable Objects are a feature of Cloudflare Workers that enable stateful, coordinated processing across the globe, with built-in storage and WebSocket support.
Is there a free tier for Durable Objects?
Cloudflare offers a free tier for Workers and Durable Objects with usage limits; paid plans provide higher limits.