idempotency-patterns

Installation
SKILL.md

Idempotency Patterns ()

Patterns for ensuring operations can be safely retried without unintended side effects.

Overview

  • Building payment or financial APIs
  • Implementing webhook handlers
  • Processing messages from queues
  • Creating mutation endpoints (POST, PUT, DELETE)
  • Building distributed systems with at-least-once delivery

Quick Reference

Idempotency Key Generation

import hashlib
import json
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