Design a Payment Processing System
Design a Payment Processing System
HardSystem Design0% accepted
Design Razorpay payment processing system that handles card/UPI/netbanking payments with ACID guarantees, idempotency, and reconciliation.
Approach
Design payment system with idempotency, double-spend prevention, and reconciliation.
Input
Same payment request sent twice (network retry)
Output
Idempotency key lookup returns first response; no double charge
More System Design problems
Browse all coding problems →Scenarios & Expected Answers
Sign in to continue
Create a free account to view answers and mark progress.
- Free forever — no credit card
- Theory Q&A with detailed answers
- Points, streaks & leaderboards