Tag: REST API

All the articles with the tag "REST API".

• Idempotency in REST APIs: How to Prevent Duplicate Payments

  30 Aug, 2026

  By Pratik Bhuite | 15 min read

  Series: Backend Interview Mastery

  Learn idempotency in REST APIs for backend interviews: idempotency keys, retries, race conditions, response replay, and duplicate-payment prevention.

  • Backend
  • API Design
  • REST API

• HTTP Methods: GET vs POST vs PUT vs PATCH vs DELETE

  Updated

  Updated: 30 Aug, 2026

  By Pratik Bhuite | 23 min read

  Series: Backend Interview Mastery

  Master HTTP methods for backend interviews: GET, POST, PUT, PATCH, and DELETE semantics, retries, caching, and API design trade-offs.

  • Web Fundamentals
  • HTTP
  • API

• What Is a REST API? Principles, Examples and Interview Questions

  Updated

  Updated: 30 Aug, 2026

  By Pratik Bhuite | 19 min read

  Series: Backend Interview Mastery

  What is a REST API? Learn resource design, HTTP semantics, idempotency, and the interview answers backend engineers need.

  • Web Fundamentals
  • REST API
  • API

• REST API Error Handling Best Practices: Beginner Guide

  1 Apr, 2026

  By Pratik Bhuite | 13 min read

  Series: API and Backend Basics Series

  Master REST API error handling with best practices for status codes, consistent payloads, retries, observability, and secure production APIs.

  • Web Fundamentals
  • REST API
  • API