API Development using Express.js | MongoDB | Prisma - Validation and Transformation

🎉 Welcome to Fullstack Web Development 2025!

🔐 API Development using Express.js | MongoDB | Prisma - Validation and Transformation

In this video, we’ll build a User Registration API using Express.js and Prisma with complete step-by-step explanations! 🛠️

👉 What you'll learn:

⚙️ Setting up an Express.js server
🔁 Creating a POST /users endpoint
📥 Accepting and parsing JSON request bodies

✅ Performing different types of validations:
❗ Required field checks
🔤 Type checks
📏 Semantic validations
📧 Email format validation
🧼 Simple sanitization and transformation of input
🛡️ Avoiding SQL injections using Prisma ORM
🧾 Checking for duplicate users in the database
📡 Sending meaningful HTTP responses with proper status codes

📌 Tech Used:
🟩 Node.js
⚡ Express.js
🍃 MongoDB Atlas – Cloud-hosted NoSQL database
🧬 Prisma ORM
💻 JavaScript ES6+
🖥️ VS Code

You can find tldraw notes here:
https://bitly.cx/F8q4u

💡 Whether you're a beginner or brushing up on backend fundamentals, this tutorial will guide you through core concepts in a practical and beginner-friendly way. 🚀

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