Building APIs with Node and Express is your step-by-step guide to mastering back-end development using two of the most widely adopted technologies in the JavaScript ecosystem-Node.js and Express.js.

Through real-world, project-based learning, this book helps you build RESTful APIs that power everything from web apps to mobile backends-all while writing clean, modular, and scalable code.

• The fundamentals of Node.js and why it's ideal for API development

• Set up Express.js for robust routing and middleware handling

• Create RESTful endpoints using best practices

• Handle CRUD operations with MongoDB and Mongoose

• Secure APIs with JWT authentication and environment variables

• Implement input validation, error handling, and logging

• Use Postman to test and document your API endpoints

• Build features like pagination, file uploads, and user authentication

• Structure scalable projects using MVC architecture

• Deploy your API to platforms like Heroku, Vercel, or Render

Whether you're a front-end developer breaking into full-stack, or a coding bootcamp grad seeking real-world experience, this guide gives you the hands-on skills to build production-ready APIs-fast.

By the end, you'll have fully functional projects, production insights, and the confidence to build APIs for any platform.