Cloudflare Workers Development Build high-performance edge APIs with Workers, KV for caching, and Durable Objects for real-time coordination. Core Architecture When to Use What | Service | Use Case | Characteristics | |---------|----------|-----------------| | Workers | Request handling, API logic | Stateless, 50ms CPU (free), 30s (paid) | | KV | Caching, config, sessions | Eventually consistent, fast reads | | Durable Objects | Real-time, coordination | Strongly consistent, single-threaded | | R2 | File storage | S3-compatible, no egress fees | | D1 | SQLite at edge | Serverless SQL, good fo…