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What is REST?

Q: What is REST?

Short answer: REST (Representational State Transfer) is an architectural style for designing networked applications. Explain a bit more It uses standard HTTP methods to perform CRUD operations on resources, which are typically represented as URLs. ✅ A RESTful API allows different systems (like frontend apps or mobile apps) to interact with your server over HTTP in a stateless manner. 📌 Example: GET /users – Get all users POST /users – Create a new user PUT /users/1 – Update user with ID 1 DELETE /users/1 – Delete user with ID 1 Real-world example (ShopNest) A ShopNest BFF in Node.js aggregates catalog and price APIs for the React storefront. Say this in the interview Define — one clear sentence (the short answer above). Example — relate it to a project like ShopNest or your real work. Trade-off — when you would not use it.

Short answer: REST (Representational State Transfer) is an architectural style for designing networked applications.

Explain a bit more

It uses standard HTTP methods to perform CRUD operations on resources, which are typically represented as URLs. ✅ A RESTful API allows different systems (like frontend apps or mobile apps) to interact with your server over HTTP in a stateless manner. 📌 Example: GET /users – Get all users POST /users – Create a new user PUT /users/1 – Update user with ID 1 DELETE /users/1 – Delete user with ID 1

Real-world example (ShopNest)

A ShopNest BFF in Node.js aggregates catalog and price APIs for the React storefront.

Say this in the interview

Define — one clear sentence (the short answer above).
Example — relate it to a project like ShopNest or your real work.
Trade-off — when you would not use it.

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