<ul><li>Idempotency in HTTP methods ensures that the same request produces the same effect as making it once, preventing duplicates and unexpected side effects.</li><li>GET, PUT, and DELETE HTTP methods are idempotent, while POST is not by default. Idempotency can be implemented using keys for non-idempotent requests like POST.</li><li>Idempotency is crucial in building reliable APIs that behave predictably. Understanding HTTP verbs' behavior and utilizing tools like idempotency keys and ETags can prevent common issues like duplicate orders.</li><li>In the next blog, exploring Retrying Failed Requests and the Exponential Backoff Algorithm will enhance application resiliency. Stay tuned for more insights on building robust APIs.</li></ul>

Understanding Idempotency in HTTP Verbs: A Developer’s Guide with Node.js Examples 🚀

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