Next.js Route Handlers: APIs, Proxying, and Authentication

Developing full-stack applications requires robust server-side logic for data handling and security. Next.js Route Handlers provide a powerful, modern way to build these backend APIs directly within your application structure. This course guides you through using Route Handlers effectively, transforming you from a front-end focused developer into one capable of building secure, integrated API layers. You will learn how to manage server-side data fetching, implement proxying to external services, and secure your endpoints against unauthorized access. What you'll learn: * Understand the core architecture and execution environment of Next.js Route Handlers. * Build RESTful API endpoints for handling CRUD operations using modern server-side patterns. * Configure proxy requests within Route Handlers to securely fetch data from external APIs. * Apply best practices for managing server-side state, environment variables, and basic CORS policies. * Implement foundational authentication checks, including session validation and token handling, using middleware and Route Handlers. * Practice reading and interpreting HTTP requests and responses for debugging and validation. The course begins by defining the purpose and structure of Route Handlers, progressing through practical examples of creating APIs and handling server-side logic. You will then apply these principles to implement proxying and integrate essential authentication layers. This course is designed for beginner and intermediate developers familiar with JavaScript and basic Next.js concepts (like components and routing). No prior experience with serverless functions or complex authentication systems is required. Start building your secure, full-stack Next.js applications today.