Tag: API Design

All the articles with the tag "API Design".

• Offset vs Cursor vs Keyset Pagination for Backend Interviews

  30 Aug, 2026

  By Pratik Bhuite | 12 min read

  Series: Backend Interview Mastery

  Compare offset, cursor, and keyset pagination for backend interviews: performance, consistency, indexes, API contracts, and trade-offs.

  • Backend
  • API Design
  • Databases

• Webhooks Explained: Delivery, Retries, Security and Idempotency

  30 Aug, 2026

  By Pratik Bhuite | 15 min read

  Series: Backend Interview Mastery

  Learn webhooks for backend interviews: delivery flow, retries, HMAC signatures, replay protection, idempotency, queues, and failure handling.

  • Backend
  • API Design
  • Webhooks

• 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

• System Design Interview: Design a URL Shortener

  12 Feb, 2026

  By Pratik Bhuite | 13 min read

  Series: System Design Interview Series

  Master the URL Shortener system design interview. Learn about Base62 encoding, Key Generation Service (KGS), data scale, and handling billions of clicks.

  • System Design Interview
  • System Design
  • Distributed Systems