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Pro Yearly

Receive webhooks from external systems, returns 200 OK if the event is accepted.

API Endpoint

Design a webhook service that processes incoming requests and ensures efficient, secure handling of real-time events, such as payment notifications from services like Stripe or Shopify.

If you prefer the video format, here's a walkthrough of the problem:
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Security Measures

Duplicate Request Handling

Out-of-Order Requests

Client Service

API Gateway

Database

Accept API Calls to Receive Event Notifications

Improved Scalability

Message Queue

Failure Handling

Monitoring and Alerting

High Availability and Resilience

Availability

Latency

At-least-once processing

Storage

Webhook System Design | System Design Interview Question

Design Webhook

Non-Functional Requirements

API (optional)

Accept API calls to receive event notifications (e.g., payment processed or order shipped), execute corresponding operations, and persist original event data and operation results for tracking, auditing, and debugging.


High Level Design

The service must ensure events are processed even if system components fail, maintaining reliability for critical data.


Deep Dives