In this blog post, we take a deep dive into creating a robust and secure API using ExpressJS, a powerful and flexible Node.js framework. We'll start by introducing ExpressJS, highlighting its key features and benefits for web and mobile application development. Then, we walk you through a step-by-step guide to setting up an Express server, implementing authentication with JWT, and performing CRUD operations with SQLite as the database. By the end of this tutorial, you'll have a solid foundation for building your own APIs. Don't miss our next blog, where we'll create a frontend to interact with this API, completing the full stack development cycle.