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3
Implement a Webhook Delivery System
LLDmediumVery Common
webhooksreliabilityevent-drivenapi-design
Reported
11 times
Last seen
2026-03-25
First seen
2025-06-15
Active in
2025, 2026
Description
Build a reliable webhook delivery system with retry logic, exponential backoff, dead letter queues, and delivery guarantees.
Approach Tips
Discuss at-least-once delivery semantics. Cover retry schedules with jitter, signature verification, and how to handle slow consumers.
Sources
Blind·SDE-2·2026-03-25
Glassdoor·SDE-3·2026-02-10
LeetCode·Senior·2025-11-20
ST
Stripe
Fintech
Typically appears in: Onsite - Integration Design
60 min — Design an API or integration layer. Focus on developer experience, backwards compatibility, and extensibility.