Serverless API Development with Cloudflare Workers

Traditional server infrastructure can be complex to manage and slow for global users. By running your code directly at the network edge with Cloudflare Workers, you can deliver ultra-fast, serverless APIs without the overhead of traditional server management. This text-based course guides you from serverless fundamentals to deploying production-ready APIs. You will understand how edge computing works, how to route incoming requests, and how to persist data globally with minimal latency. What you'll learn: Understand the core architecture of edge computing and Cloudflare Workers; Write and deploy serverless functions using modern JavaScript ES modules; Manage API routes, handle HTTP requests, and parse JSON payloads efficiently; Store and retrieve data globally using edge storage solutions like KV namespaces; Configure and test your worker projects locally using Wrangler and modern development tools; Implement secure authentication and environment variables for API endpoints. You will start with the essential terminology of edge runtimes and serverless architecture before moving into hands-on API routing, data persistence, and deployment workflows. The written explanations and step-by-step code walkthroughs ensure you build a solid, practical understanding of edge development. This course is designed for web developers and beginners looking to explore serverless technology, with no prior cloud infrastructure experience required. Start writing high-performance edge code and deploy your first serverless API today.