Tag: Payments

All the articles with the tag "Payments".

• 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